You can only enter numbers and a decimal point into the two number input fields. This guide will show you how to use special numbers and operators.

​

Pi - To use pi (π), enter 3.14 into one of the input fields.

Golden Ratio - To use the golden ratio or ϕ (phi), enter 1.618 into one of the input fields.

E Constant - To use e (also known as e constant or Euler’s number), enter 2.718 into one of the input fields.

Euler-Mascheroni Constant - To use γ, enter 0.57721566 into one of the input fields.