frac returns the fractional part of float for the argument.
frac
Syntax: frac x; frac [x]
frac x; frac [x]
o)frac[10.5] 0.5 o)frac[-10.5] -0.5 o)frac[(-2.5; 0.0; 2.5)] -0.5 0 0.5 o)frac[-1.14 0.14 2.14] -0.14 0.14 0.14 o)
The function is atomic:
o)frac(2.3 4.5;6.7) 0.3 0.5 0.7