active[] expr[] nop[]
Math abs[]
sqr[] sqrt[]
min[] max[] min3[] max3[]
inc[] dec[]
rand[]
nan[] def[] defnz[] exists[] notexists[]
Rounding round[] rounddec[] roundup[] floor[] fix[] ceil[] fup[] trunc[]
Trigonometric pi[] sin[] cos[] tan[] asin[] acos[] atan[] atan2[] rad2deg[] deg2rad[]
Logarithmic pow[] e[] exp[] log[] exp10[] log10[] exp2[] log2[]