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Have you used your calculator for something that was not really math related?
11-20-2017, 07:25 AM
Post: #53
RE: Have you used your calculator for something that was not really math related?
I use my HP-41 to help me develop film. It tells me when to agitate and when to switch chemicals.

Håkan
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RE: Have you used your calculator for something that was not really math related? - hth - 11-20-2017 07:25 AM



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