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Casio FX-991ESPLUS Scientific Calculator - SIlver
Price:
£8.50
+ £2.50 postage
Returns:
Condition:
Slight imperfections but still usable
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I bought this calculator to cover the electronic mathematical needs of a private student studying for an A-level in mathematics. I find it aesthetically pleasing and I much prefer the keyboard with light silvered background. the display is clear and the digit size is nearly double the size of the -ex classwiz! I use it regularly and every day. There are a couple, probably literally two, drawbacks with this calculator. The first is that it doesn't display a cumulative binomial distribution table. the second, which probably applies to most advanced scientific calculators today, is that its not possible to change the exponential coefficient to a negative value after it is entered. Admittedly this is not a major problem and a process that's fairly easy to remember.
Verified purchase: Yes | Condition: New
Easy to use..powerful and quick.. makes engineering calculations very easy with some good knowledge of the calculator.
Verified purchase: Yes | Condition: Pre-owned
Fantastic calculator as you would expect from CASIO. So many functions, more than I need but it does all that I need and that's what matters. Clear display and good key press make this easy to use.
Verified purchase: Yes | Condition: New
Works great no batteries to buy solar cells to keep it going /full info booklit on functions and how to use/3 years waranty.
Verified purchase: Yes | Condition: New
Super quick delivery, would definitely recommend :) calculator will definitely be helpful for C4 maths
Verified purchase: Yes | Condition: New
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