[Owen] got down and dirty by adding a touchscreen to his TI-84 graphing calculator. The dirty part is the z80 assembly code he wrote to use the linkport as a UART (assembly always makes us feel queasy ...

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Who needs Texas Instruments? Not Matt Stack, creator of the Open SciCal. His homemade, 100% open source graphing calculator not only blows away the functionality of store-bought devices, but is the ...

Posts from this author will be added to your daily email digest and your homepage feed. is an editor overseeing The Verge’s product reviews and service journalism programs. Dan has covered the ...

Like textbooks, graphing calculators are still a necessary (and expensive) accessory for math and science students in high school and college. Sure, there are calculator apps for tablets and ...

If you’re taking an algebra, geometry or calculus class, your instructor will likely require a graphing calculator for your course. A graphing calculator is an essential tool for visually ...

Many tech companies keep customers buying by constantly updating their products with new features. Here's a story of a piece of technology that has not evolved with the times and has been reaping the ...