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Squirrelfeet (talk  contribs) m 

"The Calculator can handle up to ten digits. It's perfect for figuring out math questions that might pop up."
Included in Diamond, Pearl, and Platinum with the Pokétch. It is a basic calculator, with addition, subtraction, multiplication, and division apps usable. When an answer is displayed, if the player has a {{OBPPokémonspecies}} whose [[Sinnoh Pokédex]] number matches the answer rounded down to the whole number below it, the calculator will play that Pokémon's [[cry]].
The [[Hearthome Gym]] in Diamond and Pearl asks the player basic math questions to figure out the proper path to the Gym Leader. Getting them wrong results in Trainer battles; most of them wonder why the player didn't just use the Calculator App to get the right answer.

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