diff --git a/README.md b/README.md
index 922bf35..7abdb79 100644
--- a/README.md
+++ b/README.md
@@ -323,7 +323,7 @@ v0.09.09h 2023/03/14
   - show calc and sort progress as percentage
   - generation of Linux AppImage
 
-v0.10.09h 2023/04/19
+v0.10.09h 2023/05/09
 * Added:
   - new memory save strategy searching results, thanks @mvimercati for hints
     keep only the first N best results. Selectable with 'algo=1'
@@ -331,10 +331,12 @@ v0.10.09h 2023/04/19
   - thanks @lcavalli for hints
   - format parameter to show numbers with engineering notation or SI prefix
   - different binary packages for different OSs
+  - made a package for Raspberry Pi @32/64bit
+  - made a package for VisionFive2 RISC-V @64bit
   - removed binaries from github master
   - GUI: read decimal values from baseR custom values in config file
   - GUI: better parameters checking: custom values, results
-  - GUI: disable widgets not active
+  - GUI: disabled not active widgets
   - GUI: add some hints popup
   - GUI: working About button, thanks @lb90
 
diff --git a/reSolveConf.txt b/reSolveConf.txt
index 9de4828..ada7ca4 100644
--- a/reSolveConf.txt
+++ b/reSolveConf.txt
@@ -1,4 +1,4 @@
-; put here the dynamic configurations for ReSolve +0.08.09g beta
+; put here the default configurations for ReSolve +0.08.09g beta
 ; numeric values follow equal sign, with no space in between
 ; strings are enclosed in "", keep in one line, shorter than 78 chars
 ; vectors are {} enclosed and comma separated (space and multi lines allowed)
diff --git a/reSolveReadme.txt b/reSolveReadme.txt
index 922bf35..7abdb79 100644
--- a/reSolveReadme.txt
+++ b/reSolveReadme.txt
@@ -323,7 +323,7 @@ v0.09.09h 2023/03/14
   - show calc and sort progress as percentage
   - generation of Linux AppImage
 
-v0.10.09h 2023/04/19
+v0.10.09h 2023/05/09
 * Added:
   - new memory save strategy searching results, thanks @mvimercati for hints
     keep only the first N best results. Selectable with 'algo=1'
@@ -331,10 +331,12 @@ v0.10.09h 2023/04/19
   - thanks @lcavalli for hints
   - format parameter to show numbers with engineering notation or SI prefix
   - different binary packages for different OSs
+  - made a package for Raspberry Pi @32/64bit
+  - made a package for VisionFive2 RISC-V @64bit
   - removed binaries from github master
   - GUI: read decimal values from baseR custom values in config file
   - GUI: better parameters checking: custom values, results
-  - GUI: disable widgets not active
+  - GUI: disabled not active widgets
   - GUI: add some hints popup
   - GUI: working About button, thanks @lb90
 
diff --git a/src/Makefile b/src/Makefile
index 6811c1c..2492ef7 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -21,8 +21,8 @@ CFLAGS=-std=gnu11 -Wall $(COPT) -D__USE_MINGW_ANSI_STDIO=1
 PKG_CONFIG_PATH=/usr/lib/x86_64-linux-gnu/pkgconfig:$PKG_CONFIG_PATH
 GFLAGS=`pkg-config --cflags --libs gtk+-3.0`
 LDFLAGS=$(LOPT) -lm
-TARGET=reSolve$(PKG)64
-GUI=reSolveGui$(PKG)64
+TARGET=reSolve$(PKG)$(BITS)
+GUI=reSolveGui$(PKG)$(BITS)
 
 all: $(TARGET) $(GUI)
 	@rm -f *.gch
diff --git a/src/Makefile32 b/src/Makefile32
index f9200fd..8c7f49d 100644
--- a/src/Makefile32
+++ b/src/Makefile32
@@ -3,7 +3,7 @@
 
 HOST=$(shell uname -o)
 PKG=Linux
-BITS = 32
+BITS=32
 
 BUILD?=release
 ifeq ($(BUILD),debug)
@@ -18,8 +18,8 @@ CFLAGS=-std=gnu11 -Wall $(COPT) -D__USE_MINGW_ANSI_STDIO=1 -m32
 PKG_CONFIG_PATH=/usr/lib/i386-linux-gnu/pkgconfig:$PKG_CONFIG_PATH
 GFLAGS=`pkg-config --cflags --libs gtk+-3.0`
 LDFLAGS=$(LOPT) -lm
-TARGET=reSolveLinux32
-GUI=reSolveGuiLinux32
+TARGET=reSolve$(PKG)$(BITS)
+GUI=reSolveGui$(PKG)$(BITS)
 
 all: $(TARGET) $(GUI)
 	@rm -f *.gch
diff --git a/src/MakefileX b/src/MakefileX
index 3c756b6..8b41567 100644
--- a/src/MakefileX
+++ b/src/MakefileX
@@ -3,7 +3,7 @@
 
 HOST=$(shell uname -o)
 PKG=Win
-BITS := $(shell getconf LONG_BIT)
+BITS=64
 
 BUILD?=release
 ifeq ($(BUILD),debug)
@@ -20,8 +20,8 @@ PKGCONFIG=/opt/mxe/usr/bin/x86_64-w64-mingw32.static-pkg-config
 PKG_CONFIG_LIBDIR=/opt/mxe/usr/x86_64-w64-mingw32.static/lib/pkgconfig
 GFLAGS=`$(PKGCONFIG) --cflags --libs gtk+-3.0`
 LDFLAGS=$(LOPT) -lm
-TARGET=reSolveWin64.exe
-GUI=reSolveGuiWin64.exe
+TARGET=reSolve$(PKG)$(BITS).exe
+GUI=reSolveGui$(PKG)$(BITS).exe
 
 all: $(TARGET) $(GUI)
 	@rm -f *.gch
diff --git a/src/MakefileX32 b/src/MakefileX32
index 7b52257..d2f6278 100644
--- a/src/MakefileX32
+++ b/src/MakefileX32
@@ -3,7 +3,7 @@
 
 HOST=$(shell uname -o)
 PKG=Win
-BITS = 32
+BITS=32
 
 BUILD?=release
 ifeq ($(BUILD),debug)
@@ -20,8 +20,8 @@ PKGCONFIG=/opt/mxe/usr/bin/i686-w64-mingw32.static-pkg-config
 PKG_CONFIG_LIBDIR=/opt/mxe/usr/i686-w64-mingw32.static/lib/pkgconfig
 GFLAGS=`$(PKGCONFIG) --cflags --libs gtk+-3.0`
 LDFLAGS=$(LOPT) -lm
-TARGET=reSolveWin32.exe
-GUI=reSolveGuiWin32.exe
+TARGET=reSolve$(PKG)$(BITS).exe
+GUI=reSolveGui$(PKG)$(BITS).exe
 
 all: $(TARGET) $(GUI)
 	@rm -f *.gch
diff --git a/src/comType.h b/src/comType.h
index 3e0ea56..4332dc3 100644
--- a/src/comType.h
+++ b/src/comType.h
@@ -1,4 +1,4 @@
-/* ReSolve v0.10.09h 2023/04/16 solve math expressions using discrete values*/
+/* ReSolve v0.10.09h 2023/05/09 solve math expressions using discrete values*/
 /* Copyright 2005-2023 Valerio Messina http://users.iol.it/efa              */
 /* comType.h is part of ReSolve
    ReSolve is free software: you can redistribute it and/or modify
diff --git a/src/exprParser.c b/src/exprParser.c
index 004b4a2..a349570 100644
--- a/src/exprParser.c
+++ b/src/exprParser.c
@@ -1,4 +1,4 @@
-/* ReSolve v0.10.09h 2023/04/16 solve math expressions using discrete values*/
+/* ReSolve v0.10.09h 2023/05/09 solve math expressions using discrete values*/
 /* Copyright 2005-2023 Valerio Messina http://users.iol.it/efa              */
 /* exprParser.c is part of ReSolve
    ReSolve is free software: you can redistribute it and/or modify
diff --git a/src/exprParser.h b/src/exprParser.h
index d2f9a14..43fe291 100644
--- a/src/exprParser.h
+++ b/src/exprParser.h
@@ -1,4 +1,4 @@
-/* ReSolve v0.10.09h 2023/04/16 solve math expressions using discrete values*/
+/* ReSolve v0.10.09h 2023/05/09 solve math expressions using discrete values*/
 /* Copyright 2005-2023 Valerio Messina http://users.iol.it/efa              */
 /* exprParser.h is part of ReSolve
    ReSolve is free software: you can redistribute it and/or modify
diff --git a/src/fileIo.c b/src/fileIo.c
index 8612f77..8a67e23 100644
--- a/src/fileIo.c
+++ b/src/fileIo.c
@@ -1,4 +1,4 @@
-/* ReSolve v0.10.09h 2023/04/16 solve math expressions using discrete values*/
+/* ReSolve v0.10.09h 2023/05/09 solve math expressions using discrete values*/
 /* Copyright 2005-2023 Valerio Messina http://users.iol.it/efa              */
 /* fileIo.c is part of ReSolve
    ReSolve is free software: you can redistribute it and/or modify
diff --git a/src/fileIo.h b/src/fileIo.h
index 335fa37..18ac4b4 100644
--- a/src/fileIo.h
+++ b/src/fileIo.h
@@ -1,4 +1,4 @@
-/* ReSolve v0.10.09h 2023/04/16 solve math expressions using discrete values*/
+/* ReSolve v0.10.09h 2023/05/09 solve math expressions using discrete values*/
 /* Copyright 2005-2023 Valerio Messina http://users.iol.it/efa              */
 /* fileIo.h is part of ReSolve
    ReSolve is free software: you can redistribute it and/or modify
diff --git a/src/makeAppDir.sh b/src/makeAppDir.sh
index 0d2c33e..5c603a2 100755
--- a/src/makeAppDir.sh
+++ b/src/makeAppDir.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# makeAppDir.sh: this script generate the AppDir for ReSolve. 2023-04-08
+# makeAppDir.sh: this script generate the AppDir for ReSolve. 2023-05-04
 echo "makeAppDir.sh: generating the AppDir for ReSolve ..."
 if (test "" = "$1") then
    echo "makeAppDir.sh ERROR: need the target platform to create package"
@@ -12,162 +12,165 @@ if (test "" = "$2") then
 else
    BITS=$2
 fi
+cp -a ../reSolveReadme.txt ../README.md
+arch=`uname -m`
 echo "makeAppDir.sh: generating $PKG $BITS bit package ..."
 rm -rf AppDir
 mkdir -p AppDir
 if (test "$PKG" = "Linux") then
    mkdir -p AppDir/lib
-   if (test "$BITS" = "64") then
-      cp -aL /lib/x86_64-linux-gnu/libatk-1.0.so.0 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/libatk-bridge-2.0.so.0 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/libatspi.so.0 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/libblkid.so.1 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/libbrotlicommon.so.1 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/libbrotlidec.so.1 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/libbsd.so.0 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/libcairo-gobject.so.2 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/libcairo.so.2 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/libdatrie.so.1 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/libdbus-1.so.3 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/libdl.so.2 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/libepoxy.so.0 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/libexpat.so.1 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/libffi.so.7 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/libfontconfig.so.1 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/libfreetype.so.6 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/libfribidi.so.0 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/libgcrypt.so.20 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/libgdk-3.so.0 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/libgdk_pixbuf-2.0.so.0 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/libgio-2.0.so.0 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/libglib-2.0.so.0 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/libgmodule-2.0.so.0 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/libgobject-2.0.so.0 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/libgpg-error.so.0 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/libgraphite2.so.3 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/libgtk-3.so.0 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/libharfbuzz.so.0 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/liblz4.so.1 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/liblzma.so.5 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/libmd.so.0 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/libmount.so.1 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/libpango-1.0.so.0 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/libpangocairo-1.0.so.0 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/libpangoft2-1.0.so.0 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/libpcre2-8.so.0 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/libpcre.so.3 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/libpixman-1.so.0 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/libpng16.so.16 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/libpthread.so.0 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/libresolv.so.2 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/librt.so.1 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/libselinux.so.1 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/libthai.so.0 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/libuuid.so.1 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/libwayland-client.so.0 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/libwayland-cursor.so.0 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/libwayland-egl.so.1 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/libX11.so.6 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/libXau.so.6 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/libxcb-render.so.0 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/libxcb-shm.so.0 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/libxcb.so.1 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/libXcomposite.so.1 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/libXcursor.so.1 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/libXdamage.so.1 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/libXdmcp.so.6 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/libXext.so.6 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/libXfixes.so.3 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/libXinerama.so.1 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/libXi.so.6 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/libxkbcommon.so.0 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/libXrandr.so.2 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/libXrender.so.1 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/libz.so.1 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/libzstd.so.1 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/libm.so.6 AppDir/lib
-      cp -aL /lib/x86_64-linux-gnu/libc.so.6 AppDir/lib
-      #cp -aL /lib/x86_64-linux-gnu/libsystemd.so.0 AppDir/lib
-      cat AppRun | sed 's/is32whenLinux32pkgAndRunOnLinux64/64/' > AppDir/AppRun
-   fi # 64 bit
-   if (test "$BITS" = "32") then
-      cp -aL /lib/i386-linux-gnu/libatk-1.0.so.0 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/libatk-bridge-2.0.so.0 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/libatspi.so.0 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/libblkid.so.1 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/libbrotlicommon.so.1 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/libbrotlidec.so.1 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/libbsd.so.0 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/libcairo-gobject.so.2 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/libcairo.so.2 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/libdatrie.so.1 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/libdbus-1.so.3 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/libdl.so.2 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/libepoxy.so.0 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/libexpat.so.1 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/libffi.so.7 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/libfontconfig.so.1 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/libfreetype.so.6 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/libfribidi.so.0 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/libgcrypt.so.20 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/libgdk-3.so.0 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/libgdk_pixbuf-2.0.so.0 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/libgio-2.0.so.0 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/libglib-2.0.so.0 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/libgmodule-2.0.so.0 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/libgobject-2.0.so.0 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/libgpg-error.so.0 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/libgraphite2.so.3 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/libgtk-3.so.0 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/libharfbuzz.so.0 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/liblz4.so.1 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/liblzma.so.5 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/libmd.so.0 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/libmount.so.1 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/libpango-1.0.so.0 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/libpangocairo-1.0.so.0 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/libpangoft2-1.0.so.0 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/libpcre2-8.so.0 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/libpcre.so.3 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/libpixman-1.so.0 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/libpng16.so.16 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/libpthread.so.0 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/libresolv.so.2 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/librt.so.1 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/libselinux.so.1 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/libthai.so.0 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/libuuid.so.1 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/libwayland-client.so.0 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/libwayland-cursor.so.0 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/libwayland-egl.so.1 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/libX11.so.6 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/libXau.so.6 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/libxcb-render.so.0 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/libxcb-shm.so.0 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/libxcb.so.1 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/libXcomposite.so.1 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/libXcursor.so.1 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/libXdamage.so.1 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/libXdmcp.so.6 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/libXext.so.6 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/libXfixes.so.3 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/libXinerama.so.1 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/libXi.so.6 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/libxkbcommon.so.0 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/libXrandr.so.2 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/libXrender.so.1 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/libz.so.1 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/libzstd.so.1 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/libm.so.6 AppDir/lib
-      cp -aL /lib/i386-linux-gnu/libc.so.6 AppDir/lib
-      #cp -aL /lib/i386-linux-gnu/libsystemd.so.0 AppDir/lib
-      cat AppRun | sed 's/is32whenLinux32pkgAndRunOnLinux64/32/' > AppDir/AppRun
-   fi # 32 bit
-   chmod +x AppDir/AppRun
+   if (test "$arch" = "x86_64" || test "$arch" = "i686") then # skip on ARM&RISC-V
+      if (test "$BITS" = "64") then
+         cp -aL /lib/x86_64-linux-gnu/libatk-1.0.so.0 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/libatk-bridge-2.0.so.0 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/libatspi.so.0 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/libblkid.so.1 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/libbrotlicommon.so.1 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/libbrotlidec.so.1 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/libbsd.so.0 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/libcairo-gobject.so.2 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/libcairo.so.2 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/libdatrie.so.1 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/libdbus-1.so.3 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/libdl.so.2 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/libepoxy.so.0 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/libexpat.so.1 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/libffi.so.7 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/libfontconfig.so.1 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/libfreetype.so.6 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/libfribidi.so.0 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/libgcrypt.so.20 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/libgdk-3.so.0 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/libgdk_pixbuf-2.0.so.0 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/libgio-2.0.so.0 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/libglib-2.0.so.0 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/libgmodule-2.0.so.0 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/libgobject-2.0.so.0 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/libgpg-error.so.0 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/libgraphite2.so.3 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/libgtk-3.so.0 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/libharfbuzz.so.0 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/liblz4.so.1 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/liblzma.so.5 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/libmd.so.0 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/libmount.so.1 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/libpango-1.0.so.0 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/libpangocairo-1.0.so.0 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/libpangoft2-1.0.so.0 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/libpcre2-8.so.0 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/libpcre.so.3 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/libpixman-1.so.0 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/libpng16.so.16 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/libpthread.so.0 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/libresolv.so.2 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/librt.so.1 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/libselinux.so.1 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/libthai.so.0 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/libuuid.so.1 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/libwayland-client.so.0 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/libwayland-cursor.so.0 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/libwayland-egl.so.1 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/libX11.so.6 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/libXau.so.6 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/libxcb-render.so.0 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/libxcb-shm.so.0 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/libxcb.so.1 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/libXcomposite.so.1 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/libXcursor.so.1 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/libXdamage.so.1 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/libXdmcp.so.6 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/libXext.so.6 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/libXfixes.so.3 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/libXinerama.so.1 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/libXi.so.6 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/libxkbcommon.so.0 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/libXrandr.so.2 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/libXrender.so.1 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/libz.so.1 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/libzstd.so.1 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/libm.so.6 AppDir/lib
+         cp -aL /lib/x86_64-linux-gnu/libc.so.6 AppDir/lib
+         #cp -aL /lib/x86_64-linux-gnu/libsystemd.so.0 AppDir/lib
+         cat AppRun | sed 's/is32whenLinux32pkgAndRunOnLinux64/64/' > AppDir/AppRun
+      fi # 64 bit
+      if (test "$BITS" = "32") then
+         cp -aL /lib/i386-linux-gnu/libatk-1.0.so.0 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/libatk-bridge-2.0.so.0 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/libatspi.so.0 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/libblkid.so.1 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/libbrotlicommon.so.1 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/libbrotlidec.so.1 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/libbsd.so.0 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/libcairo-gobject.so.2 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/libcairo.so.2 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/libdatrie.so.1 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/libdbus-1.so.3 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/libdl.so.2 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/libepoxy.so.0 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/libexpat.so.1 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/libffi.so.7 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/libfontconfig.so.1 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/libfreetype.so.6 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/libfribidi.so.0 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/libgcrypt.so.20 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/libgdk-3.so.0 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/libgdk_pixbuf-2.0.so.0 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/libgio-2.0.so.0 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/libglib-2.0.so.0 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/libgmodule-2.0.so.0 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/libgobject-2.0.so.0 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/libgpg-error.so.0 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/libgraphite2.so.3 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/libgtk-3.so.0 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/libharfbuzz.so.0 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/liblz4.so.1 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/liblzma.so.5 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/libmd.so.0 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/libmount.so.1 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/libpango-1.0.so.0 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/libpangocairo-1.0.so.0 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/libpangoft2-1.0.so.0 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/libpcre2-8.so.0 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/libpcre.so.3 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/libpixman-1.so.0 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/libpng16.so.16 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/libpthread.so.0 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/libresolv.so.2 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/librt.so.1 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/libselinux.so.1 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/libthai.so.0 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/libuuid.so.1 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/libwayland-client.so.0 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/libwayland-cursor.so.0 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/libwayland-egl.so.1 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/libX11.so.6 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/libXau.so.6 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/libxcb-render.so.0 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/libxcb-shm.so.0 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/libxcb.so.1 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/libXcomposite.so.1 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/libXcursor.so.1 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/libXdamage.so.1 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/libXdmcp.so.6 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/libXext.so.6 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/libXfixes.so.3 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/libXinerama.so.1 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/libXi.so.6 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/libxkbcommon.so.0 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/libXrandr.so.2 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/libXrender.so.1 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/libz.so.1 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/libzstd.so.1 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/libm.so.6 AppDir/lib
+         cp -aL /lib/i386-linux-gnu/libc.so.6 AppDir/lib
+         #cp -aL /lib/i386-linux-gnu/libsystemd.so.0 AppDir/lib
+         cat AppRun | sed 's/is32whenLinux32pkgAndRunOnLinux64/32/' > AppDir/AppRun
+      fi # 32 bit
+      chmod +x AppDir/AppRun
+   fi # x86_64 || i686
    cp -aL reSolve.desktop AppDir
-fi # Linux libs
+fi # PKG Linux libs
 cp -aL reSolveConf.txt reSolve.glade circuit*.png ReSolve.png AppDir
-cp -a ../reSolveReadme.txt ../README.md
 cp -a ../reSolveReadme.txt AppDir
 if (test "$PKG" = "Win") then
    EXT=".exe"
@@ -180,7 +183,7 @@ if (test "$BITS" = "32") then
    cp -a ../reSolve${PKG}32${EXT}    AppDir/reSolve${PKG}32${EXT}
    cp -a ../reSolveGui${PKG}32${EXT} AppDir/reSolveGui${PKG}32${EXT}
 fi
-if (test "$PKG" = "Linux") then
+if (test "$PKG" = "Linux" && (test "$arch" = "x86_64" || test "$arch" = "i686")) then # skip on ARM&RISC-V
    echo "makeAppDir.sh: Generating the AppImage for ReSolve ..."
    if (test "$BITS" = "64") then
       if (! test -x appimagetool-x86_64.AppImage) then
diff --git a/src/reSolveCli.c b/src/reSolveCli.c
index 601c224..c74b2b2 100644
--- a/src/reSolveCli.c
+++ b/src/reSolveCli.c
@@ -1,4 +1,4 @@
-/* ReSolve v0.10.09h 2023/04/16 solve math expressions using discrete values*/
+/* ReSolve v0.10.09h 2023/05/09 solve math expressions using discrete values*/
 /* Copyright 2005-2023 Valerio Messina http://users.iol.it/efa              */
 /* reSolveCli.c is part of ReSolve
    ReSolve is free software: you can redistribute it and/or modify
@@ -163,7 +163,7 @@ int main(int numPar, char* param[]) { // CLI entry point
          ret = showVal2 (numBestRes); // LIB:
       }
    } else { // new mem low strategy
-      gprintf (gui, "Show best:%llu found solutions ...\n", numBestRes);
+      gprintf (gui, "Show best:%u found solutions ...\n", numBestRes);
       if (maxRp==1) { // no need to showVal4,3,2 ...
          gprintf (gui, "Show best:%u solutions with 2 resistors:\n", numBestRes);
          ret = showValMemLow (numBestRes, results2LowPtr); // LIB:
diff --git a/src/reSolveGui.c b/src/reSolveGui.c
index a08caac..c5a7235 100644
--- a/src/reSolveGui.c
+++ b/src/reSolveGui.c
@@ -1,4 +1,4 @@
-/* ReSolve v0.10.09h 2023/04/16 solve math expressions using discrete values*/
+/* ReSolve v0.10.09h 2023/05/09 solve math expressions using discrete values*/
 /* Copyright 2022-2023 Valerio Messina http://users.iol.it/efa              */
 /* reSolveGui.c is part of ReSolve
    ReSolve is free software: you can redistribute it and/or modify
@@ -804,7 +804,7 @@ int runReSolve() { // memSize, memAlloc, doCalc, show output, freeMem
          ret = showVal2 (numBestRes); // LIB:
       }
    } else { // new mem low strategy
-      gprintf (gui, "Show best:%llu found solutions ...\n", numBestRes);
+      gprintf (gui, "Show best:%u found solutions ...\n", numBestRes);
       if (maxRp==1) { // no need to showVal4,3,2 ...
          gprintf (gui, "Show best:%u solutions with 2 resistors:\n", numBestRes);
          ret = showValMemLow (numBestRes, results2LowPtr); // LIB:
diff --git a/src/reSolveLib.c b/src/reSolveLib.c
index 3cb28a1..a970e9b 100644
--- a/src/reSolveLib.c
+++ b/src/reSolveLib.c
@@ -1,4 +1,4 @@
-/* ReSolve v0.10.09h 2023/04/16 solve math expressions using discrete values*/
+/* ReSolve v0.10.09h 2023/05/09 solve math expressions using discrete values*/
 /* Copyright 2005-2023 Valerio Messina http://users.iol.it/efa              */
 /* reSolveLib.c is part of ReSolve
    ReSolve is free software: you can redistribute it and/or modify
@@ -180,7 +180,7 @@ char* siMem(u64 sizeB) { // convert an u64 to string using SI prefix, do not req
 // convert a double to string using engineering notation or SI prefix, require libmath
 char* engStr(double num, int significant, bool sign, bool siPref) {
    if (significant<1) return NULL;
-   static char* strPtr;
+   char* strPtr;
    double abs=fabs(num);
    if (abs<Epsilon) { asprintf(&strPtr, "0"); return strPtr; }
    if (abs>=1 && abs<1E3) {
@@ -198,9 +198,9 @@ char* engStr(double num, int significant, bool sign, bool siPref) {
    //printf("sci:%+03d ", sci);
    int exp = 3*floor(exd/3);
    //printf("exp:%+03d ", exp);
-   double divs = pow(10, sci);
+   int divs = pow(10, sci);
    double dive = pow(10, exp);
-   double ords = pow(10, significant);
+   int ords = pow(10, significant);
    //printf("divs:%6g ", divs);
    double mant = num/dive; if (exp==0) mant=num;
    //printf ("      num:'%6g' eng:'%3gE%+03d'\n", num, mant, exp);
@@ -222,16 +222,16 @@ char* engStr(double num, int significant, bool sign, bool siPref) {
       int s=exp/3+8;
       //printf("s:%02d ", s);
       if (sign==false)
-         asprintf(&strPtr, "%.*g%s", significant, mant, siPre[s]);
+         asprintf(&strPtr, "%.*g %s", significant, mant, siPre[s]);
       else
-         asprintf(&strPtr, "%+.*g%s", significant, mant, siPre[s]);
+         asprintf(&strPtr, "%+.*g %s", significant, mant, siPre[s]);
       return strPtr;
    }
 } // engStr()
 
 int isNumber(char* strPtr, bool dotComma) { // return 1 for numbers. When dotComma=1 accept dot and comma
    if (strPtr==NULL) return ERROR;
-   int c=0;
+   u08 c=0;
    while ( isdigit(strPtr[c]) || strPtr[c]=='e' || strPtr[c]=='+' || (dotComma==true && (strPtr[c]=='.' || strPtr[c]==',' ) ) ) ++c;
    //printf("str:'%s' bool:%d c:%d\n", strPtr, dotComma, c);
    if (c==strlen(strPtr)) return true;
@@ -1299,7 +1299,7 @@ int doMemLowCalc() { // fill inputs, low mem calcs+sort solutions
    first = totV-numBestRes; /* 0 worse, 'first' 1st printed, 'totV' best, numBestRes # of best print */
 
    // 10 - sorting of solutions
-   gprintf (gui, "Sorting best:%llu found solutions ...\n", numBestRes);
+   gprintf (gui, "Sorting best:%u found solutions ...\n", numBestRes);
    structQuickSort(results2LowPtr, numBestRes); /* QuickSort on new results */
    if (maxRp==2) { // 
       structQuickSort(resultsLowPtr, numBestRes); /* QuickSort on new results */
diff --git a/src/reSolveLib.h b/src/reSolveLib.h
index bb2d397..7c2c391 100644
--- a/src/reSolveLib.h
+++ b/src/reSolveLib.h
@@ -1,4 +1,4 @@
-/* ReSolve v0.10.09h 2023/04/16 solve math expressions using discrete values*/
+/* ReSolve v0.10.09h 2023/05/09 solve math expressions using discrete values*/
 /* Copyright 2005-2023 Valerio Messina http://users.iol.it/efa              */
 /* reSolveLib.h is part of ReSolve
    ReSolve is free software: you can redistribute it and/or modify
@@ -37,7 +37,7 @@
 #define AppName       "ReSolve"
 #define SourceVersion "0.10.09h beta"
 #define CopyrightYear "2023"
-#define SourceDate    CopyrightYear"/04/16"
+#define SourceDate    CopyrightYear"/05/09"
 #define ReSolveVer    SourceVersion" "SourceDate
 #define Author        "Valerio Messina"
 #define WebLink       "github.com/efa/ReSolve"
@@ -85,7 +85,7 @@
 #define DesiredDefault     9 /* default value for desired */
 #define MaxValue 50E9 // 50 G(Ohm) should be greather than any practical value
 #define Epsilon 1.0E-14 // used to compare double/float numbers
-#define MICRO "μ" // used when SI prefix are requested
+#define MICRO "μ"//"u" // used when SI prefix are requested
 
 #define NumberResDefault  20  /* default number of results to print */
 #define NumberResMax     512000 /* the limit depends on compiler */