Function: binary
Section: conversions
C-Name: binaire
Prototype: G
Help: binary(x): gives the vector formed by the binary digits of x (x
 integer).
Doc:
 outputs the vector of the binary digits of $|x|$.
 Here $x$ can be an integer, a real number (in which case the result has two
 components, one for the integer part, one for the fractional part) or a
 vector/matrix.
