The function convert(n, decimal, b) converts a base b number where b is an integer from 2 through 36) to a decimal number.  If n is a symbol or a string, it is assumed to be in the form of a either an integer or a floating-point number. The letters a (or A) through z (or Z) represent the digit values  through , respectively. The digits used are not required to be less than the base, so 38B base 4 is equivalent to 1123 base 4, each being converted to the decimal value .

The keywords binary, octal, hexadecimal, and hex represent bases , , , and , respectively.