The following usual mathematical functions are available. They perform scalar operations, either on integers or real numbers. These operations are performed using a double precision for their floating-point implementation.
| Function | Syntax | Remarks |
|---|---|---|
| Smallest value | min(a,b) | |
| Largest value | max(a,b) | |
| Absolute value | abs(a) | |
| Square root | sqrt(a) | |
| Exponential | exp(a) | |
| Natural logarithm | log(a) | |
| Common logarithm | log10(a) | |
| Logistic function | logit(a) | |
| Inverse of the logistic function | invlogit(a) | |
| Probit function | probit(a) | Aliases: norminv, qnorm. |
| Normal CDF | normcdf(a) | Alias: pnorm. |
| Sine | sin(a) | |
| Cosine | cos(a) | |
| Tangent | tan(a) | |
| Inverse Sine | asin(a) | |
| Inverse Cosine | acos(a) | |
| Inverse Tangent | atan(a) | |
| Hyperbolic Sine | sinh(a) | |
| Hyperbolic Cosine | cosh(a) | |
| Hyperbolic Tangent | tanh(a) | |
| Four quadrant inverse tangent | atan2(a,b) | |
| Logarithm of gamma function | gammaln(a) | Alias: lgamma |
| Downward rounding | floor(a) | |
| Upward rounding | ceil(a) | |
| Factorial | factorial(a) | |
| Logarithm of factorial | factln(a) | |
| Remainder after division | rem(a) |
