Type an expression like, say '2+2' and click '='.

- plus (a+b): 2+3=
- minus (a-b): 2-3=
- multiplication (a*b): 2*3=
- division (a/b): 2/3=
- exponential (a^b): 2^3=
- modulus (a%b): 2%3=

Binomial expressions only (two numbers, one operator).

Negative numbers are written like this "-2"