List of allowed functions and characters
All numbers (including the decimal point, when used appropriately)
T (the parameter variable)
Parenthesis (make sure they match!)
+, -, *, /, ^, %
cos(x), sin(x), tan(x), cot(x), sec(x), csc(x)
arcsin(x), arccos(x), arctan(x)
log(x), ln(x), logbase(base,x)
max(a,b), min(a,b), floor(x), ceil(x), round(x)
Use parentheses after each function, and always use * for multiplication. For example, sin(x), sqrt(x), and ln(x). Logbase x of y is logbase(x,y).
Sample valid entries:
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