Supported Functions
The function terms may include the operation signs + - * / ^ ( ) and the following functions:
| sqr(x) or sqrt(x) | for the square root √x |
| abs(x) | the absolute value |x| |
| int(x) | the Gaussian parenthesis [x] |
| sgn(x) | the signe function ( -1 for x<0, 0 for x=0, 1 for x>0 ) |
| exp(x), ex | the natural exponential function |
| ln(x), log(x) | logarithms to base e and 10 |
| sin(x), cos(x), tan(x), cot(x) | the trigonometric functions always with paranthesis !!! |
| asin(x), acos(x), atan(x) | the arcus functions of sin, cos and tan |
| sinh(x), cosh(x), tanh(x) | sinus, cosinus and tangens hyperbolicus |
| fac(n) = 1·2·...·n | the factorial of a natural number n |