[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 ...

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 ...

The new device will have a 4.8-inch color touch-panel LCD, with enough screen real estate for students to view both graphs and equations simultaneously. According to the company, the new calculator ...

Graphing calculators haven't changed much over the years, but they don't really need to. Or do they? It turns out HP wants to completely revolutionize the graphing calculator, and has released a ...

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 ...

Hot diggity damn, kids these days get the coolest learning gadgets. The ClassPad 300 is a graphing calculator that has a superb 160×120 pixel touch screen. It lets you enter equations via handwriting ...