Category talk:Mechanical calculators
Technology Category‑class | |||||||
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I do not know how to edit a category, but I propose that Slide Rule, Abacus, Napier's bones, and Mercedes (calculator) be added to this category.
BAxelrod 05:14, 27 Nov 2004 (UTC)
- Done
Technology Category‑class | |||||||
|
I do not know how to edit a category, but I propose that Slide Rule, Abacus, Napier's bones, and Mercedes (calculator) be added to this category.
BAxelrod 05:14, 27 Nov 2004 (UTC)