Convert a binary number to decimal.
int Bin2Dec(string str$)
str$
Return the decimal value of a binary number. The argument is currently limited to 10 characters which are interpreted as negative if the character in the 10th position is 1. This results in a range from -512 to +511.
bin2Dec(1001) = ; // 9 string strBin$ = 1111111111; int n = bin2Dec(strBin$); n = ; // -1