Casio FX 115 MS Calculat... has been added to your Basket
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Casio FX 115 MS Calculator

by Casio
3.7 out of 5 stars 14 customer reviews

RRP: £15.99
Price: £15.50 & FREE Delivery in the UK on orders over £20. Details
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Sold by Europe Sellers Kings and Fulfilled by Amazon. Gift-wrap available.
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  • Battery: Yes
  • Built In Camera: no
  • Calculator Type: Pock Solar/Battery
  • Clock: No
  • Design: Scientific
  • Financial Functions: No
  • Function Type: Scientific
  • Functions: Multifunction
  • Graphic: yes
  • Infrared: yes
  • Mains Power Supply: No
  • Palmtop/Organiser: not required
  • Printing: No
  • Printing Functionality: No
  • Programmable: No
  • Screen: Black/White
  • Solar Energy Driven: Yes
  • Solutions: N/A
  • Tilted Display: No
  • Type: Scientific Calculator
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£15.50 & FREE Delivery in the UK on orders over £20. Details In stock. Sold by Europe Sellers Kings and Fulfilled by Amazon. Gift-wrap available.

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Product Information

Technical Details
BrandCasio
Model NumberFX115MS
Item Weight104 g
Product Dimensions15.4 x 7.8 x 1.3 cm
ColourBlack
Number of Items1
Size1
Manufacturer Part NumberFX-115MS
  
Additional Information
ASINB00012051G
Best Sellers Rank 49,804 in Office Products (See top 100)
Shipping Weight340 g
Date First Available1 Jan. 2004
  
 

Product Description

Product Description

A Scientific 300 functions calculator that is Solar powered with a battery back up.
It has Trigonometric CALC key and Time Calculations.
It has Quadratic equations plus differentiate and integrate.
It is ideal for Engineers or Engineering studentsetc as it has the Symbols.

Manufacturer's Description

The FX115MS is a great calculator and is a step up from the casio FX-83. It has all the features of the typical scientific calculator and all the keys are in similar places as the FX-83 and the other Casio models. However, what makes the FX115MS stands out from the rest is that it can solve quadratic equations plus differentiate and integrate. If you have had problems integrating or you want to check your answers then this calculator will find the solutions for you. It is also a general purpose scientific calculator but leans towards the engineering side. It has approximately 300 built-in functions but has no graphing capabilities. It is a two line display model and some deceptively sophisticated programmability. The top line is for your input, the bottom line is where the calculator gives its answers. Keys can be used for various operations depending on the state of the calculator. You set up the mode you need on the FX115MS by using SHIFT and ALPHA  keys or by putting the calculator into mode.You can tell the mode of the calculator by the indicators above the first line of the display.

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Customer Reviews

Top Customer Reviews

Overall a pleasing calculator with so many functions that you will probably not use, unless you are doing engineering at university, however since it can solve simple equations, it is not allowed to be used in As or A level maths the calculator exam which is dissapointing. Saying this, the calculator 115MS is an easy calculator to use and is only differnt to the "Casio FX100MS" as it has a solar powered battery as well.

FEATURES:

Two way power
300 Functions / Dot Matrix /
2-Line Display / 10+2 Digits / Plastic Keys
Multi-replay function , Differential calculations , Equation calculation , SOLVE function

* * 2-line display
* * Fraction calculations
* * Integration calculations
* * Combination and Permutation
* * Statistics
(STAT-data editor, Standard deviation, Normal distribution calculations, Regression analysis)
* * Base-n calculations / conversions
* * Logical operations
* * Complex number calculations
* * CALC memory
* * Engineering symbol calculations
* * 9 variable memories
* * Comes with slide-on hard case

RG
Comment 8 of 8 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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I bought this after finding out I am not allowed to use my FX-570 in University exams. Of the 4 permitted, only 3 are available now and it is the only one of these that can handle complex numbers, which is a huge bonus in power engineering. If you're in a similar situation then you will just have to learn its quirks.

Bad points
1) The replay keys aren't much use with this type of display for long calculations. They are much more useful with the display of the FX-570.
2) (Regarding complex numbers) there's more key pressing to switch between real and imaginary components (or modulus and argument). The FX-570 allows both to be displayed simultaneously on 2 lines.
3) The reciprocal key has 2 modes of operation. I use this a lot when working out parallel resistances. It works as expected from within a calculation, but after pressing = it takes on a temporary nature. If you do this and then use the displayed answer in a subsequent calculation, it'll use 1/R in the calculation; not the displayed value R. This also applies to storing such values in memory. The FX-570 doesn't do this.
4) (Again regarding complex numbers) storing these in a memory saves time over having to enter the number in full each time. There is also an answer memory which stores the result of the last calculation. If you start a new calculation using a value stored in one of the memories, you must press = to update the answer memory, otherwise it will use the value in answer memory in the calculation rather than the value you have recalled from one of the other memories. Very annoying.

Summary
Considering this and the FX-570 are both made by the same company, I'm amazed at the difference in operation. I can get along with the latter but this one is hard work.
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1 Comment 3 of 3 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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I think this is one of the best calculator for students. Not many calculators have a good combination between easy to use and having enough functions that are needed for the exams. I totally recommend this.
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I bought two of these calculators several years ago to use on a course module and for the related exams. It was alright then as the math problems were not too complicated (basics of A1 mathematics such as working with indices, square roots etc). But nowadays, this calculator has been out-classed by newer models such as the Casio fx-991ES, which I also own.

My biggest complaint about this calculator is that its screen display is too primitive and inflexible. Both the Casio fx-85GT and fx-991ES have very good displays that let you easily see fractions and functions the way you would expect to see them. While the Casio fx-115MS can only display two lines of numbers, one line for the input and one for the output. This means, for the Casio fx-115MS, those fractions would be displayed on a single line and be more difficult to input, read and edit. Other problems include not having a table function (that I can find anyway) and the way it displays output fractions can be confusing to less experienced users.

On the upside, it has a better physical feel than the newer Casio calculators I mentioned above. The two I own have been reliable. I've never had problems with power and if I'm lucky, I'll never have to change its internal battery. I'll probably still own them 20 years from now, unless I get rid of them to clear space. As scientific calculators go, it's got most of the essential functions and memory features.

To sum up, I no longer use this calculator for any serous maths work as the newer calculators mentioned above perform much better. I would recommend this only for the basics of maths, GCSE and early A-Level mathematics because of its poor ergonomics and lack of a table function. This calculator would be a handicap during the later stages of an A-Level mathematics course. My recommendation would be to buy a newer model of calculator with more modern features unless exam regulations force you to use this.
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Verified Purchase
The fx-115 has a wide range of functions, and a nice equation display so that you can see and edit the calculation. Physically, it's strong, with a nice sturdy slide-on case to protect the display and keypad. This calculator has the benefit of being on the "approved" list for some university examinations, so should be a popular choice with students. In particular, this is a good calculator for engineering/computing as it has hexadecimal/binary/octal modes that some of the cheaper Casios do not. If you don't need this, consider the cheaper fx83 or fx85.

The only down-side of the fx115 is the ergonomics of the design. I find it a pain that you have to press 'Shift' to get Pi, which is is so commonly used in engineering that you want it available in one keystroke. Also shifting modes (between number bases, or complex/real or degrees/radians) is a multi-keystroke operation, which it should not be. Overall the fx115 deserves high marks.
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