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compsystems

10-03-2017, 08:20 PM
an interesting picture, book Precalculus Mathematics : A Graphing Approach (3rd Edition)

[Image: 51bXTfBT62L._SX409_BO1,204,203,200_.jpg]

Dave Britten

10-04-2017, 12:06 PM
Who needs keyboards? Real mathematicians jump the R/C pins coming out of the CPU. Wink

Jlouis

10-05-2017, 01:10 PM
I just bought it very cheap, to check it out.

Problem is that it probably will take about 3 months to arrive.

Thanks for posting
HP Forums > Not HP Calculators > Not remotely HP Calculators > an interesting picture
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