【實用教育app】PlusMinus: calculator for kids|最夯免費app

PlusMinus is the first calculator for kids.

This app allows small children to understand, what does it mean, to add and to subtract small numbers.

It combines numeric and graphical representations of numbers.

Instead to use keys as in usual calculator, you can swipe to vary numbers.

PlusMinus was developed by Mikhail Kronrod, MkrScope (TM).

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免費玩PlusMinus: calculator for kids App

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