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File:Calculator.kodabar.jpg
From Wikipedia, the free encyclopedia
Found in articles
File:Calculator.kodabar.jpg
Description
Calculator
.
kodabar
.
jpg
English:
Calculator
. Photographed by Adrian Pingstone in March 2004, and released to the public domain. Thanks to
Kodabar
for
File:History of math3.jpg
File:Pocket slide rule.jpg 5 246 190 151 400 400 An electronic
calculator
, from File:
Calculator
.
kodabar
.
jpg
205 4 190 95 400 400 A counting rod, from File:Countingrod