Format of functions
The functions can consist of
()+-*/↑, sin, cos, tan, log,
int, sgn, abs, sqr, asin, acos, atan,
ln and the constants a-z (without x and e) and the variable x.
e (2.7...)
and pi (3.14...) are already set. Numbers must be in a usual format
(1; 1.1; .1; 3e5; 5d-7...). Macros are used as _NAME.
All characters must be lower case !!
Use brackets to make sure, Plotter calculates the function, you want.
It uses the normal mathematical rules (↑ before *,/
before + , -).