Merge pull request #52 from Manuelshub/manuelsbranch

Contribution to Demo Project

manuelshub/README.md

@@ -0,0 +1,9 @@
+This is a basic C Calculator 
+--------------
+This Calculator takes input(digits and an arithmetic operator) from the user and performs an Arithmetic operation.
+
+PERMITTED OPERATORS
+Addition - (+)
+Subtraction - (-)
+Multiplication - (*)
+Division - (-)

manuelshub/calc.h

@@ -0,0 +1,13 @@
+/*This file contains Function prototypes or declaration*/
+#ifndef CALC_H
+#define CALC_H
+
+#include <stdio.h>  /* Standard Input and Output header file*/
+#include <unistd.h>
+
+double add(double a, double b);
+double sub(double a, double b);
+double mul(double a, double b);
+double div(double a, double b);
+
+#endif

manuelshub/main.c

@@ -0,0 +1,69 @@
+#include "calc.h"
+
+int main()
+{
+	double num1, num2, result;
+	char operator;
+
+	sleep(1.5);	
+	printf("\tHi there!!\n");
+	sleep(2.75);
+	printf("\tYou're most Welcome to use our CALCULATOR!!\n");
+	sleep(2.75);
+	printf("\nPERMITTED OPERATORS:\n");
+	sleep(2.5);
+	printf("For Addition (+)\n");
+	sleep(2);
+	printf("For Subtraction (-)\n");
+	sleep(2);
+	printf("For Multiplication (*)\n");
+	sleep(2);
+	printf("For Division (/)\n");
+	sleep(2);
+	printf("\nEnter The first number-->> ");
+	scanf("%2lf", &num1);
+	sleep(1.5);
+	printf("Enter the second number-->> ");
+	scanf("%2lf", &num2);
+	sleep(1.5);
+	printf("Enter the arithmetic sign:");
+	scanf(" %c", &operator);
+	sleep(1.5);
+
+	switch(operator)
+	{
+		case '+':
+			result = add(num1, num2);
+			break;
+
+		case '-':
+			result = sub(num1, num2);
+			break;
+
+		case '*':
+			result = mul(num1, num2);
+			break;
+
+		case '/':
+			result = div(num1, num2);
+			break;
+
+		default:
+			printf("Invalid Operator!!\n\n");
+			return (1);
+	}
+	if (operator == '/' && num2 == 0)
+	{
+		sleep(1.5);
+		printf("Recompile to use again!\n\n");
+	}
+	else
+	{
+		sleep(1.5);
+		printf("\nThe result is %2lf\n", result);
+		sleep(3);
+		printf("Recompile to use again!\n\n");
+	}
+
+	return (0);
+}

manuelshub/operations.c

@@ -0,0 +1,65 @@
+#include "calc.h"
+
+/**
+ * add - Function that adds two numbers
+ * @a: the first parameter
+ * @b:the second parameter
+ * Return: The sum of both numbers
+ */
+
+double add(double a, double b)
+{
+	double sum;
+	sum = a + b;
+	return (sum);
+}
+
+/**
+ * sub - Funtiion that takes two numbers as parameter and return their difference
+ * @a: the first parameter
+ * @b: the second parameter
+ * Return: the difference of the two numbers
+ */
+
+double sub(double a, double b)
+{
+	double minus;
+	minus = a - b;
+	return (minus);
+}
+
+/**
+ * mul - Function that multiplies two numbers
+ * @a: first parameter
+ * @b: second parameter
+ * Return: the product of the two numbers
+ */
+
+double mul(double a, double b)
+{
+	double prod;
+	prod = a * b;
+	return (prod);
+}
+
+/**
+ * div - Function that divides two numbers
+ * @a: first parameter
+ * @b: second parameter
+ * Return: The division of the two numbers
+ */
+
+double div(double a, double b)
+{
+	double c;
+	if (b == 0)
+	{
+		printf("Error: Denominator cannot be Zero!\n");
+		return(0.00);
+	}
+	else
+	{
+		c = a / b;
+		return (c);
+	}
+}