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HP 9s Scientific Calculators
5.1 out of 10

HP 9s Scientific Calculators

This calculator is perfect for the student, or anyone who wants Read more

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Reviews and Problems with HP 9s Scientific Calculators

Showing 1-10 of 43
Overall 4
4.0

HP 9G: A very sorry excuse for an HP graphing or scientific calculator

Ann E. Revelle, Amazon
28 December 2009
  • Summary: I purchased this unit with some high hopes directly from HP a few years back. At that time it was on on sale far below Amazon's going price range. I believe it was priced so low because 1) they/HP had way too many of these units in stock and 2) because a decision had consiously been made by upper...
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Overall 8
8.0

Not perfect - But gets it right where it counts - Buy it!

Simon WARDER, Amazon
10 November 2009
  • Summary: I bought this because my HP-48 is too big to lug around all the time. Keypad has nice tactile feel. Snap-on rigid case and slide-out plasticized 'quick-reference' guide are good (NB I haven't dropped it yet, but it looks fairly durable...).
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Overall 2
2.0

Let's move along, there's nothing to see here.

J. Paquin, Amazon
4 November 2009
  • Summary: I'm begging you not to buy this calculator. It is not just terrible, it is REALLY terrible. Oh, sure, it does a little graphing and will calculate the tax on a new Xbox, but what you can't see in this picture is that the graphing window has fewer pixels than the icons on your desktop (really).
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Overall 6
6.0

Good Calculator - Little Documentation

Amazon
4 November 2009
  • Summary: This is a good calculator with a lot of powerful functions. But, it has practically no manual with it and the one it comes with is difficult to understand. For the most part your on your own.
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Overall 8
8.0

Mistaken

Michael Colpetzer, Amazon
26 September 2009
  • Summary: Good calculator, NOT RPN, that's what I was looking for. I knew the price was too good to be true. I just assumed with an enter button and no equal button it was. I was not deceived by the seller. Just didn't do my research.
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Overall 2
2.0

This is not an RPN calculator

Kurt McClung, Amazon
25 September 2009
  • Summary: Reverse Polish Notation (RPN) calulators use an <enter> key and do not have an <=>. Look closely at the image for this product: This calculator has an <enter> key and does not have a <=> key, but it's not RPN. The owners manual is useless (written in Spanish).
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Overall 6
6.0

This is NOT a RPN calculator

foto51dude, Amazon
7 May 2009
  • Summary: I was hoping to get an old fashioned RPN calculator since it has the HP name. I was disappointed that it is just a TI calculator with different key names.
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Overall 2
2.0

Not RPN, just a cheap algebraic calculator.

EE, Amazon
4 May 2009
  • Summary: Has ENTER instead of " = " key, yet is just a cheap, conventional calculator not RPN. Maybe "Enter" mean "Equal" in Portuguese (that's the language of the manual).
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Overall 10
10

Very good.. has good polar - rect conversion

Gilbert Davis, Amazon
1 May 2009
Overall 2
2.0

Complete Junk

J. Paquin, Amazon
29 April 2009
  • Summary: Please, I'm begging you, go buy the casio fx-115ms instead. Don't say I never gave you anything
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