Hexadecimal/decimal conversion Once you have entered the two routines which make up this program, you use the following inputs to access the utiilities: RUN 9000 enters the Hex to decimal conversion routine. RUN 9011 enters the decimal to Hex conversion routine. The program will prompt for the number to be converted. Should you wish to change the direction of conversion, you do not need to break and re-RUN the other program, you can simply input 'T' and '123456'. If you input '0', you stop the program.