This is the web version of my calculator

How to use
  1. We need to choose a first input
  2. Once we have our first input, we need to choose an operator type
  3. Once we have our operator type, this operator will be between the two inputs
  4. Now, we need to choose a second input
  5. Once we have our second input, we can use the button « = »
  6. The result of the operation will be in the textfield with the same name
  7. As long as we don't use the erase button, we will be able to change our operator type
  8. During an invalid usage, a warning will be displayed in the textfield appropriate

At any moment, you can use the button «Erase» to restart from the beginning

Arithmetic operation on two inputs