For this article, I'm returning to portable science software on Android. In a previous article, I looked at a program called xcas/giac. This program is an open-source engine that is used to handle ...

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There are all sorts of apps available in the market these days, and some of them are immensely useful. Like the apps we’ll talk about in these articles. These apps allow you to solve math problems by ...

Measure your hand. Create and use a line plot of hand span data to answer questions. Warm up with a Mystery Math Mistake to find the mistake made in counting up on a number line to subtract. Notice ...