Texas Instruments TI-84 Plus Graphing Calculator (Refurbished) for $84.99 + Free Shipping

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Get the Texas Instruments TI-84 Plus Calculator for $84.99 + free shipping and returns from Groupon Goods through Friday, 3/22. Do know that this is a refurbished calculator, but it comes with a 30-day warranty from 1800Calculators.com.

This graphing calculator performs basic calculator functions and also produces graphs and analyzes functions for high-level math classes (I remember using one for pre-calculus in high school).

I consulted our back-to-school price comparison chart from last summer and $84.99 after rebate was the best price we saw all season on a graphing calculator, so if you’re in need of one now (or know you’ll be in need of one soon), this deal is worth a second look. The lowest price it’s ever been on Amazon (for a new model) is $88.00.

Plus, shop through Pocket Your Dollars Rewards to get 2% cash back.

Your turn: Where have you found good deals on graphing calculators? Do you already know if you’ll need one for next school year?

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