BenQ's HT2550 is a well-priced 4K projector with some minor issues
Light leaking and excessive noise distract a bit from the excellent picture quality.
Numworks graphing calculator is made for students raised on tech
The open-source device, aimed at high-schoolers, favors function over form.
Test-approved app could kill off the graphing calculator
Students can kiss $150 calculators goodbye.
Ben Heck's Texas Instruments light booster
Light: It's what plants crave.
TI's educational coding tool plugs into your calculator
It's a pretty cool way to learn coding and engineering.
Texas Instruments has a gold-hued graphing calculator
The TI-84 Plus CE will prove that you're a calculus boss.
The best pico projector
AAXA, LG and ASUS make the top models.
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TI's super-slim graphing calculator shows that math can be stylish
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