If you have a Hewlett-Packard HP 12C that is no longer working, you can first try replacing the 3x1.5V cell batteries. For keypad test, use divide key instead of X key, and then press each key in turn (will show "Error 9" if out of sequence). Display will show "running" for about 20 seconds, and if tests pass, all display elements will be on. Turn calculator off, press and hold X (multiply) key and then press ON key, then release X key. Be sure to back up any important information held in the calculator before running these tests. Note that diagnostic tests generally delete any data on the calculator. If this doesn't work, you can also try this alternative download link.
Hewlett packard 12c financial calculator error manuals#
You can download the Hewlett-Packard HP 12C manual from the manuals website. Staples Promo Code: 10 off Document Printing and Marketing Materials When You. Several versions have been produced including Platinum and Platinum 25th Anniversary Edition - still available.Ī sample of this calculator is held in the collection. 12c financial calculator 10 Off Staples Coupon Codes Feb 2023 U.S. The classic financial calculator from HP. The calculator was manufactured in Malaysia. It has 84 functions, 39 keys, and an LCD (liquid crystal) display. The Hewlett-Packard HP 12C is a finance calculator with 10 digits precision and RPN (reverse polish notation) logic.
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