Texas Instruments TI-84 Plus CE Color Graphing Calculator Black

• Amazon now offers Texas Instruments TI-84 Plus CE Color Graphing Calculator in black, now $94.99 (list price $110.85).
• Prime members get free two-day shipping, and regular members get free shipping on orders over $35 within the contiguous U.S.
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Editor's Pick: In high school or college math classes, when teachers ask you to graph functions, you no longer need to plot coordinates by hand. Just press the Zoom key to zoom in on local changes. The color screen makes it easy to distinguish multiple curves, so you can instantly tell which is a trigonometric function and which is an exponential function. The rechargeable battery is much more convenient than the old model's coin cell battery swap—charge it once before exams and it lasts through the entire test week.

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Image via @Amazon, copyright belongs to the original author.

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Image via @Amazon, copyright belongs to the original author.