Uploaded March 2021 | Updated September 2026, 1 hour ago

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This Add-A-Mite is a very simple desk adder. It was made in Hong Kong and imported and sold by Chadwick. It is a cheap clone of the Alexe mini-calculator.

See my video on the Alexe mini-calculator:
youtu.be/hsmRst_Tc5A
And the video about Solo, another calculator imported by Chadwick:
youtu.be/s1TJdGT8-Qc

For more information on this and other calculators in my collection, please visit my website:
jaapsch.net/mechcalc

0:00 Introduction, History
1:06 Adding
1:29 Clearing
2:12 Comparison with Alexe
3:00 Outro