design.kv

<Sc>:
	GridLayout:
		cols:1
		padding: 15,15
		spacing: 20,20
		Label:
			text:"Binary Calculator"
		TextInput:
			id:calculation
		GridLayout:
			cols:4
    		Button:
    			text:"1"
				on_press:root.one(root.ids.calculation.text)
    		Button:
    			text:"0"
				on_press:root.zero(root.ids.calculation.text)
			Button:
    			text:"C"
				on_press:root.clear(root.ids.calculation.text)
			Button:
    			text:"="
				on_press:root.equal(root.ids.calculation.text)
		GridLayout:
			cols:4
			Button:
    			text:"+"
				on_press:root.plus(root.ids.calculation.text)
			Button:
    			text:"-"
				on_press:root.minus(root.ids.calculation.text)
			Button:
    			text:"/"
				on_press:root.divide(root.ids.calculation.text)
			Button:
    			text:"X"
				on_press:root.multiplication(root.ids.calculation.text)
<RootWidget>:
    Sc:
        name:"home"