This calculator-protecting tip is something you can count on!
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Clean calculator

My workshop calculator doesn't react well with the flying dust, splashing solvents, and moisture changes that take place in the shop. After ruining a few calculators, I started storing my current one in a plastic zipper-type storage bag and hanging it on the pegboard. I also discovered I can use the calculator while it's still in the bag, so I never have to expose the sensitive electronics to the shop environment.

- Mike Herberger, East Rochester, N.Y.