signum
signum returns \(-1\) for a negative argument value, \(1\) for a positive value, “Error: Undefined” for \(0\), and \(\frac{A}{|A|}\) for an imaginary number.
Int
Returns the integer part of a value.
frac
Returns the decimal part of a value.
intg
Returns the largest integer that does not exceed a value.
fRound
Rounds the decimal part of a value to the specified number of decimal places.
Syntax: fRound (Exp/Eq/List/Mat/Variable [ ) ]
sRound
Rounds a value to the specified number of digits.
Syntax: sRound (Exp/Eq/List/Mat/Variable [ ) ]