On 2010-03-17 TVSadako, wrote: I got this calculator because of its large number of features and RPN mode, which I use exclusively. On initial inspection it appears to be great; it´s visually attractive, easy to read, and the keys feel good. Unfortunately, it didn´t take too long for me to realize that, at least in RPN mode, the calculator consistently misses keystrokes. Keying in 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 rarely gives the correct answer (45). Additionally, I found that the tan function gives slightly incorrect answers at values very close to 90 degrees. Try taking the tan of 90.0000001 and comparing the result you get to what your computer tells you. The tan error is a minor issue for me, but the missed keystrokes makes this calculator unusable.. And summed up by saying Misses keystrokes, tan gives incorrect answers. Currently HP 35s Scientific Calculator has an overall rating of 8 over 10.
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Hewlett Packard claimed Professionals and college students have the flexibility no other scientific calculator can offer with the choice of RPN or Algebraic entry system logic. Delivers a large 2-line alphanumeric display with adjustable contrast, raised edges to protect the keys and a robust library of built-in functions and constants. Same time with an impressive array of programmable scientific functions. Have confidence that every time you turn on your calculator you make, results in dependable, worry-free performance and accurate results. Global Product Type: Calculators-Scientific; Calculator Type: N/A; Calculator Style: N/A; Power Source(s): Battery.
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