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I bought a 15C new. I still have it on my EE bench (replacing my slide rule, of course). Every 8 or 9 years I replace the three LR44 batteries. And writing l
by GeorgeTirebiter 7y ago
I bought a 15C new. I still have it on my EE bench (replacing my slide rule, of course). Every 8 or 9 years I replace the three LR44 batteries. And writing little programs to tickle the Inner Nerd is always fun. HP: we miss you!
- MegaDeKay 7y agoMine was bought new well over 30 years ago. It is sitting on my desk within arms reach and I use it regularly. I have replaced the batteries two, maybe three times in all those years. The battery life of this thing is magical.
- lmilcin 7y agoI have been using HP 42S for the past 15 years and would not replace it for any other. It is a pity that the LCD fades out in these and now it is only possible to see it at specific angles.
- StreakyCobra 7y agoYou may be interested by this [1] The device is reliable, the screen is amazing, the USB connectivity brings a lot of value and the community on SwissMicros' forum are passionate HP people. I'm not affiliated with them in any way, just an happy geeky customer :) [1] https://www.swissmicros.com/dm42.php https://www.swissmicros.com/dm42.php
- golem14 7y agoSeconded. Their replicas are amazing, even better than the already awesome originals. I own a few, only god knows why :) Maybe I'll ask to be buried with them, so I can be dug up in a few thousand years and worry archeologists ;)