why are TI graphing calculators still so expensive
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08-11-2016, 01:55 PM
Post: #10
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RE: why are TI graphing calculators still so expensive
From the article:
Quote:"Perpendicular lines don't look perpendicular because the window is a rectangle," one Texas-based math teacher told Mic. Why is somebody who doesn't know how to change the plot window settings on a graphing calculator teaching with it? <facepalm> <0|ΙΈ|0> -Joe- |
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