【實用工具app】Numerus|最夯免費app-綠色工廠好玩App

Numerus is a sophisticated scientific calculator designed especially for iPhone and iPod touch. It allows you to enter an expression the way as you would write it on a paper. Just like a tape calculator Numerus preserves your calculating history. Simply scroll back to previous results or entries to reuse them - just with a single tap of your finger. You can also save any results into 26 variables (A-Z) for later use.

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"All in all Numerus is a great application to have hand on hand and should be on every student's iPhone. I won't leave to school without it!" - iphoneappreviewer.com