Before Calculators, what was used? 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…

Before Calculators, what was used? 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…

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…

Posted in graphing, Hand Held, Online, TI Calculators Tagged with: graphing calculator, hand held, TI Calculators

The TI Graphing Calculator: A dominantly stable, profitable product. In 2009 the Wall Street Journal ran an article which describes that approximately 80% of the graphing calculators sold in the USA were made by Texas Instruments (TI). By contrast, competitor…

A 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…