( Example 14. Radix for Number Conversions ) DECIMAL ( : DECIMAL 10 BASE ! ; ) ( : HEX 16 BASE ! ; ) : OCTAL 8 BASE ! ; : BINARY 2 BASE ! ; \ Try converting numbers among different radices: \ DECIMAL 12345 HEX U. \ HEX ABCD DECIMAL U. \ DECIMAL 100 BINARY U. \ BINARY 101010101010 DECIMAL U. \ Real programmers impress on novices by carrying a HP calculator \ which can convert numbers between decimal and hexadecimal. A \ Forth computer has this calculator built in, besides other functions. flush