How to Round Numbers on the TI-84 Plus and TI-89

Posted on November 19, 2011 at 11:23 pm

Sometimes it’s useful to work in units with only a certain number of decimals. For example, if you’re doing money calculations, you probably don’t want to think about fractions of cents. If you want to change the number of decimals …
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Filed under Algebra, Difficulty: Easy, TI-83 Plus, TI-84 Plus, TI-89, TI-92 Plus | Leave a comment

TuesDAZED / Vintage Calcblog, Reader Questions, and Some Musings

Posted on November 8, 2011 at 4:10 pm

Dear Readers, I usually use Calcblog’s Twitter for less-official communication, but as I always have lots of thoughts on education and how to improve Calcblog, I thought I’d write a post which is less of a tutorial and more of …
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