as I can make a calculator
Touch a number pad, created with sprites.
Develop games in your browser. Powerful, performant & highly capable.
Yes, not sure what else you would like to know. You can use sprites as the buttons and use events to do the math. For example, hit the 1 button and the number 1 gets stored in a variable do the same with your mathematic operators and other numbers, concatenate them into an expression then display the result. That would be a very basic way to start...