Requires Time travel. Radio Shack sold them. It had a math coprocessor button (Woohoo!). I can still “see” the cursor on the monitor. Done inputting? Double-check, yes! I’d push the “button.” Time… I did not sit and wait for the results. It would take maybe twenty minutes before I could print out the inventory information. From spreadsheet to databases and still using spreadsheets. We have come a long way together. Great question, Kim. Fun, dredging up old memories.