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Offgrid Pocket Calculator  RSS feed

 
Adrien Lapointe
steward
Posts: 3422
Location: Kingston, Canada (USDA zone 5a)
201
chicken dog food preservation forest garden fungi tiny house toxin-ectomy trees woodworking
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No electrical power required, no batteries... a mechanical calculator. Really cool, but not cheap ($1k on ebay).

 
Dale Hodgins
garden master
Posts: 6704
Location: Victoria British Columbia-Canada
254
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At a fruit market in Chinatown, there is a lady whose hand speed is faster than Bruce Lee. Her abacus skills put most modern inventions to shame. Might not work so well as a mortgage calculator.
 
He was giving me directions and I was powerless to resist. I cannot resist this tiny ad:
This is an example of the new permies.com Thread Boost feature
https://permies.com/wiki/61482/Thread-Boost-feature
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