Function Plotter
By: Gijs Bellaard
This is a simple function plotter that plots the graph of a mathematical function of a single variable.
The implemented operations are
| binary operations: | +, -, *, / |
| power functions: | pow, sqrt |
| trigonometric functions: | cos, sin, tan |
| natural exponential and logarithm: | exp, log |
| any-ary minimum and maximum : | min, max |
| rounding functions: | floor, ceil, round |
| absolute value and sign: | abs, sign |