Calculator

Operators included in the app:
- plus (+); minus (-); multiply (x), divide (÷); modulo (%)
- power (^), root of n (ⁿ√), factorial of n (n!)
- logarithm of a positive number a (loga); natural logarithm (ln)
- trigonometry functions (sin, cos, tan, asin, acos, atan)
- hyperbolic functions (sinh, cosh, tanh)
- average (avg(1;2)); maximum (max(1;2)); minimum (min(1;2))
- rounding of a number (round); absolute of a number (|x|)
- random number between 0 and 1 (random)
- Constant values: pi (π), euler (e), phi (φ)