Title: POS
Product review: No POS is not a math term. This calculator is a piece of #$%^. Unless you are an engineer or have access to someone who can explain to you why when squaring the sum of two exponents you need a bevy of parentheses you are wasting your time with this. The manual is pretty much a joke being that nothing is explained to any degree. For what it it worth you are better off buying a graphing calc for anything real and a simple calc with DMS for trig. If you accidentally change a setting you are left with resetting the whole calculator. Just frustrating as hell.
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