[caption id="attachment_107337" align="alignleft" width="215"] Plotting over actual images links math lessons with real-world relevance.[/caption]

A new graphing calculator from Casio lets students plot mathematical equations on top of real-life images and user-uploaded photos—adding relevance to math concepts that many students find abstract and not applicable in the real world.

With conventional graphing calculators, students learn by inputting equations to create graphs. Casio’s PRIZM includes its proprietary Picture Plot technology, which lets users perform meaningful mathematical equations on top of real-life images such as Ferris wheels, jets from a water fountain, or...

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