content below：

1. Single Word to Double Word WTOD WTOD

2. Double word to Single word DTOW

3. Floating to Single Word FTOW

4. Double Word to Floating DTOF

5. Single Word to Floating WTOF

6. Round to the nearest integer ROUND

7. Cut to integer TRUNC

8. BCD code generation BCD

9. BCD code back to BIN

10. Gray code conversion GRY

11. Encoding ENCO

12. Decoding DECO