Misc. relevant math functions that may be useful
neg [x: int, float] -> intabs [x: int, float] -> intpow [x: float] [p: int >= 1] -> [int, float]! [x: int] -> intpi -> floatfloor [x: float] -> intceil [x: float] -> intround[x: float] -> introundd[x: float, int] [d: int] -> intgcd [x: int] [y: int] -> intlcm [x: int] [y: int] -> int