Which Graphing Calculator to Buy?

Graphing calculators are vital for secondary math where students may need to check complex problems to be sure they are working them correctly. In fact, some classes, such as calculus, require graphing calculators. In the Heller Research Associates’ report “Impact of Handheld Graphing Calculator Use on Student Achievement in Algebra 1”, the research firm surveyed …

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What was used before Calculators?

Humans have been counting, calculating, and charting since the beginning of time. At first they used their fingers and then such things as piles of pebbles, bundles of twigs, and simple mechanical devices like the revolutionary abacus. It is hard to imagine a time when we all didn’t have a calculator in our school bag …

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Are TI Graphing Calculators Obsolete?

Texas Instruments (TI) graphing calculators are virtually unchanged over the years, leading many industry observers to wonder if they are now obsolete. Judging from their enduring popularity, however, it seems that these reliable dinosaurs are here to stay, at least for the foreseeable future. A Throwback to the Pre-Digital Era The TI graphing calculator is …

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History of Graphing Calculators

It’s easy to forget, when the calculators that are sold in big-box stores across the land, blister-packed in plastic, can perform the most ferociously complex calculations — and display the results in the form of a clear, easily-read graph — that there was a time when even a calculator that could manage more than the …

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Why haven’t TI Graphing Calculators changed for the last 10 years?

If, like me,  you grew up using the classic Texas Instruments calculator as your primary graphing calculator, then the  title of this post might be exactly what you, yourself have wondered.  I mean, don’t get me wrong. I love the TI 84  and the Ti- 89 is amazing and comes full of features like the …

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