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Casio fx-82SX: Accurate calculations and ease of use

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15.11.2011

Advantages:
easy to use, accurate, multiple scientific functions

Disadvantages:
only 1 - line display screen, no delete button, cannot review the calculations

Recommendable Yes:

Detailed rating:

Look & Feel

Robustness & Durability

Ease of use

Range of Extra Features

Value For Money

Instruction manualVery useful

Manufacturer SupportGood

42 Ciao members have rated this review on average: very helpful See ratings
exceptional by (2%):
  1. Marge3781
very helpful by (98%):
  1. Gingerkitty
  2. K2705
  3. siberian-queen
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I have been using Casio calculators for many years during my engineering studies and currently in my job which has a lot of analyses and calculations involved every day. I bought the Casio fx-82SX in my first year as an undergraduate because I needed a scientific calculator, and I have been using it since then. Casio is a very popular brand for its high quality calculators, trusted by students for the ease of use and the variety of products.

The Casio fx-82SX model

The fx-82 series was introduced in 1997 and Casio fx-82SX is one of the advanced models with added features. It has a single line display screen for 10 digits and 2 more that shows the power of the number. The number of multiple built-in functions is 139 in total and it can solve hyperbolic and inverse hyperbolic functions, mathematic calculations, fractions, percentages and scientific functions.

The calculator can carry out from simple calculations to more complicated equations, by allowing 18 levels of brackets. But the one line of the screen makes it difficult to control so many levels and it doesn’t have the option to go back and review the functions. Further, there is no delete button to erase the digits if you want to correct the input.

This calculator has the basic functions that any professional calculator can offer, it’s easy to use and reliable. Several conversions are allowed through the mode function operating modes COMP, NORM and SD, angular modes DEG/RAD/GRA (so you can switch to degrees, rad and grad ) and specifications FIX and SCI.

The pocket size with dimensions 19 x 73 x 147mm and the lightweight design (only 104 g) makes it easy to carry it in the bag. It comes in a case to protect the screen from scratching. The design is simple and it is available in dark grey colour. The buttons for the basic functions (numbers and arithmetic operation symbols) are light grey, placed at the bottom lines of the calculator. The AC and C buttons are red and the 3 top rows with the most complicated buttons are dark grey (in the same colour with the calculator). Above each button, there are more functions that can be used if you press the shift button.

The calculator operates with 2 AA size batteries (R6P SUM-3) and they last forever. I have changed the battery only once and I have been using it for several years. To change the battery, you have to remove with a screwdriver the 6 screws at the back of the calculator to open it.

My opinion

This model is one of the simplest calculators I have ever used. The problem that I had with other professional calculators that can solve huge equations is that if you make a small mistake in a number or a sign, the final number is wrong and I had lost a few points in my exams because of this. This calculator is ideal for doing calculations in parts to check the accuracy of the results, as it doesn’t have a big screen with many rows that allows the user to calculate many numerical fractions and it’s mostly for simplest forms. On the other hand, the limited length of the equations that it can solve in one step could be a drawback if you want fast results for complicated mathematical expressions.
Therefore I usually have with me a second professional graph calculator and I use this one to check if my results are logical and correct. In addition, graph calculators are usually not allowed during the exams and the simple scientific Casio calculator was the only one I could have with me.

Disadvantages
It lacks some features that the newest models have, like more lines on the screen and the ability to correct the digits in the functions. I now use my graphic calculator more as part of my job, but it’s still my back-up calculator. I bought it for around 10 euros from a local bookstore a few years ago and today it can be found from £11.99 so it’s an inexpensive solution ideal for students and teachers.

Instruction Manual

Casio fx-82SX is made in China from Casio Computer CO.LTD and the product manual can be found from the official Casio support page:

http://support.casio.com/manualfile.php?rgn=5&cid=004001015

The instructions are available in 5 languages: English, French, Spanish, Italian and Dutch.
Pictures of Casio FX 82SX
Casio FX 82SX Casio FX 82SX
Casio fx- 82SX calculator
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Comments about this review »

jjcross 01.12.2011 01:59

I tend to use my Smartphone when I need a calculator but this one looks good- I agree that Casio is a good make!

Marge3781 21.11.2011 15:47

Just as good on this side :)

Essexgirl2006 20.11.2011 16:45

I had something similar when I was at school, but these days can get by with something more straightforward

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Manufacturer Casio
Type Scientific Calculator
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Casio FX 82SX - review by christopherj84

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Review Ratings »

This review of Casio FX 82SX has been rated:

"exceptional" by (2%):

  1. Marge3781

"very helpful" by (98%):

  1. Gingerkitty
  2. K2705
  3. siberian-queen

and 38 other members

The overall rating of a review is different from a simple average of all individual ratings.

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