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Casio FX 85 ES Calculator | 
 enlarge | Brand: Casio
Category: CE
Buy New: £3.79
New (30) Used (1) from £2.99
Rating:  2 reviews
Sales Rank: 1051
Media: Electronics
Autographed: No
Memorabilia: No
Fragile: No
Batteries Included: No
Shipping Weight (lbs): 0.9
Dimensions (in): 6.7 x 3.5 x 1.6
MPN: FX-85ES-S
Model: FX-85ES
EAN: 4791850171212
ASIN: B000A1LNP0
Availability: Usually dispatched within 1-2 business days
Condition: BRAND NEW.IN STOCK
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| Features:
| • | 249 functions including 164 scientific functions | | • | TwinLine 10 digit Natural Textbook display | | • | S-VPAM logic | | • | Battery power | | • | Multi-replaySlide on hard caseRegression analysisRegression analysisSlide on hard caseAuto power offAuto power offDimensions(mm): (Height x Width x Depth) 12 x 85 x 155Dimensions(mm): (Height x Width x Depth) 12x85x155Weight (g) 100.Weight (g) 100. |
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| Similar Items:
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| Editorial Reviews:
Product Description
The FX85ES is the new kid on the block and is shaking up the maths world. With 249 functions and the revolutionary Natural Textbook Display you are able to enter expressions as seen in your text books.Soon to be the new king of Scientific calculators, The FX85ES is ideal for kestages 3 and above. Natural Textbook Display Table of a function Statistical Data Entry-List-based Multi replay Ideal for Keystages 3 & 4 and above-Age 11-16+ Power:Solar/Battery
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| Customer Reviews:
 Powerful calculator at a disposable price September 18, 2008
A. Butterfield (UK)
5 out of 6 found this review helpful
The last time I bought a scientific calculator was about twenty five years ago. It had an eight digit display and cost about 15.
Things have moved on! For the price of a glossy magazine, you get this really pretty amazing machine.
The most obvious improvement over previous calculators is the display. The fx-85ES has a multi-line dot-matrix display and an entry method that lets you input calculations in exactly the same way you would write them down. It's fun to see just how ridiculously complex you can make the calculation, with various levels of nesting, fractions within fractions within square roots or cube roots or whatever. The calculator handles it all without missing a beat.
You can choose, from the setup menu, whether to use what Casio calls 'Mathematical mode' or 'Linear mode' for input and output. Math mode lets you input fractions that look like fractions. And you get the results in fractions if it's practical to display them. In this mode you might also get results as irrational numbers if the calculator can give a more accurate (i.e. not rounded) result that way.
In Math mode there are two ways to convert your answer to a regular decimal number. And back.
I'm not familiar with what's needed for students doing GCSEs or A levels, but no doubt this is a very targeted calculator for that kind of user. Certainly, the statistics function seems very complete, with table entries you can edit and perform different functions on. Any table you create stays in memory.
There are several non-volatile memories (the calculator uses a single button battery in addition to the solar cell for this) and you can assign values to them by letter.
You can use these values in the 'table' function too that displays a range of values as a function of X. All this stuff is far in advance of what a bog-standard calculator could do twenty years ago.
The calculator itself is quite large and flat, with a slide on/off hard cover to keep it safe in your bag. It feels tough and well made. The keyboard is excellent.
The display is good, but not perfect (it can look a bit dim). You'll need perfect light for that. But you can adjust the contrast in the setup menu.
I was slightly disappointed to see that the STO function (store to memory) is accessed via a shift key, which makes using the memory a bit convoluted. Generally though, the key layout and the way the calculator works is very intuitive and well laid out. This is just as well because the instruction leaflet has such tiny text that it's almost too hard to read it. This is a shame because the advanced functions deserve proper explanation. You could almost do a GCSE in how to use this calculator.
But at this price you can hardly criticise it. Whether you just want it as an advanced all-round calculator to have in the house, like me, or you're a student doing GCSEs, this Casio can't really be faulted.
 a cheap calculator great for A-level mathematics May 12, 2007
DOUGLAS R WHITE (ENGLAND)
54 out of 56 found this review helpful
battery will last ages (i'm imagining) as there is a solar panel so no fear of it dying in an exam.
Great features include how it will display answers as fractions automatically..great for precise answers, but it is easy to see the answer in decimal format also at the flick of a button.
when in radian mode it gives answers in terms of pie shouls the answer be an exact muliple of pie; this isn't on all calculators but is very useful
also it will always show square roots when the answer is one, but once again you can flick to decimal at the touch of a button should you wish to.
it automatically cancels down things to their nicest form....very useful
the keys are clearly labelled so it is obvious what key does what
easy to type in fractions within fractions
great calculator...more than i'd expect for the money
even more surprising is the table function where one can get readings for graphs for a range of values
i'd recommend to all, particularly since it is allowed by exam boards and makes certain topics a lot easier
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