# How to Use the Calculator in CODAP

CODAP has a built-in calculator that can be accessed by clicking on the "Calc" icon in the main toolbar.

While it looks like a very basic/simple calculator, it can in fact handle more advanced calculations, such as:

- constants (pi, e)
- functions such as sqrt, log, floor
- expressions such as floor(sqrt(2))

Other functions available in CODAP, many of which can be used in the calculator, are listed here .

To evaluate/get the result, click on the = sign or hit "Return" on your keyboard.