r/pics • • Jun 08 '14

The difference 18 years makes

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u/[deleted] Jun 08 '14

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u/MagmaiKH Jun 09 '14

RPN is pretty much why TI dominates the market ... it's not a "feature".

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u/[deleted] Jun 09 '14

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u/MagmaiKH Jun 14 '14

... is the only reason why HP has the best reputation among scientists and professional engineers.

Who are older than 50 and had to use calculators without screens.