_scienceStatisticStringsSub

Substract two string numbers. Strings must be numbers otherwise nil will be returned.

Prototype :

fun [S S] S

S : a first string numbers.
S : a second string numbers.

Return : S a new string number or nil if error

See also :

_scienceStatisticStringsAdd

Example :

fun main ()=
	_showconsole;
	_fooS _scienceStatisticStringsSub "782" "1626";	// "-844"
	0;;

Note :