*** US <-> SI Measurement converter (freeware) *** by Daniel J. Bishop *** danb2k@hotmail.com To use this program, 1. Run CONVERT from the PRGM menu. 2. Select the type of conversion from the main menu. 3. Select the units to convert from the next menu. 4. Enter the number of units to convert. Example: The circumference of the earth is approximately 40,000 kilometers. How many miles is this. Run the CONVERT program. Press 1 for LENGTH, then 7 for KM -> MILE. Enter 40000 (the number of kilometers). The calculator will display: KM TO MILE KM:40000 24854.84769 MILES The circumference of the earth is approximately 24,850 miles.