This is a flask based calculator implemented in rest it can perform addition ,multiplication and subtraction of 2 numbers. the calulator is hosted at http://aisho07.pythonanywhere.com/ with get url example http://aisho07.pythonanywhere.com/calc?value1=100&value2=200&operation=+ Post URL example http://aisho07.pythonanywhere.com/calc with parameter:- {"value1":"1000", "value2":"2", "operation":"*"}