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Casio FX991EX Classwiz Scientific Calculator

4.885 product ratings

Soundsoulutions_worldwide (1706)
99.3% positive feedback

Price:

$36.50

Free shipping

Estimated delivery Wed, May 22 - Wed, Jun 26

Returns:

30 days returns. Buyer pays for return shipping.

Condition:

New

Casio FX-991CW Classwiz Non-Programmable Scientific Calculator. Faster than any previous Casio Non-Programmable Scientific Calculator. Scientific Calculator with inbuilt QR Code function --Calculator can generate QR Code -- Useful from graphical visualization & accessing user manual using your smart phone.

About this product

Product Identifiers

Brand
Casio
MPN
FX991EX
GTIN
0079767032593, 0809787035195, 0809394579433
UPC
0079767032593, 0809787035195, 0809394579433
eBay Product ID (ePID)
2254331278

Dimensions

Height
0.43in.
Width
0.25in.
Weight
0.19lbs.
Length
0.4"

All listings for this product

item 1 Casio FX-115ES Plus Scientific Calculator. Works Great & Battery's
$14.98
item 2 Casio FX991EX Classwiz Scientific Calculator White (no cover)
$23.99
+$4.99 shipping
item 3 Casio FX991EX Classwiz Scientific Calculator With Cover *Exc Cond. Fast Shipping
$23.99
+$4.99 shipping
item 4 Casio FX-991CW Advanced Scientific LCD Display Calculator 552 Functions With Bil
$36.50
Free shipping
item 5 Casio FX-991CW Advanced Scientific
$36.50
Free shipping
item 6 Casio FX-991EX Original Scientific Calculator Classwiz 552 function Spreadsheet
$35.99
+$5.00 shipping
item 7 Casio ClassWiz FX-991EX ClassWiz Scientific Calculator
$35.00
+$6.50 shipping

See all 14

4.8

4.8 out of 5 stars based on 85 product ratings

85 product ratings

77 users rated this 5 out of 5 stars
4 users rated this 4 out of 5 stars
1 users rated this 3 out of 5 stars
1 users rated this 2 out of 5 stars
2 users rated this 1 out of 5 stars

Good value

Would recommend

Good quality

Most relevant reviews

See all 49 reviews

5 out of 5 stars
by marcelocarcamoJan 17, 2022
Top favorable review
Great Value!!! Thankful Wallet!!! Kids are sooo happy with their calculator
Great value!!! wrappers were in really bad shape but calculators were perfect.... just as intended to take advantage of a comfortable discount!!! Thankyou for thinking of our wallet!!!
Verified purchase: Yes | Condition: Pre-owned
3 out of 5 stars
by marcelmistralMay 04, 2022
Top critical review
Too fancy-schmancy for everyday use
One of the keys on my trusty old fx-260 had become erratic (it's over 20 years old, so I can't complain) and I decided to upgrade to the state-of-the-art fx-991ex. Unfortunately, I don't like it. First, my minor gripes: (1) It's too big; I love the pocketable size of the fx-260; (2) the keys feel like chiclets and make a rattling sound when pressed; (3) the mottled surface texture makes the alternate key labels hard to read, especially the blue ones - practically impossible except in very bright light - what were they thinking? (4) The slide-on cover is too loose-fitting, slips off by itself. But more importantly, (5) I find that I don't like its main attraction, the V.P.A.M. entry method. The display is pretty and I like how the entered formula remains on display together with the answer - but it's cumbersome: expressions used in everyday math and science require more clicks than with the "immediate entry" method. And the whole menu system - who uses a calculator for spreadsheets or matrix calculations? Come on. -- The fx-991ex is a very cool calculator and I'm keeping it to show off to family and friends, but I got myself a replacement fx-260 for everyday use. (Secretely, I want a SwissMicro dm42, but they're just too expensive.)Read full review
Verified purchase: Yes | Condition: Pre-owned
5 out of 5 stars
by isabelmay77Jun 04, 2017
At present, the best value for money calculator for under £30.
Tweaked version of its predecessor, the fx-991ES Plus, and worth it just on looks alone! Appearance is almost a work of art and with its attractive, main menu icons, looks stunning. It is, however, highly functional as well and possesses amazing features for the money, including two unique ones: a polynomial inequality solver and a ratio solver. Don't get too carried away though! This is not a true graphical calculator, it isn't programmable, can't be connected to a computer, and, unlike the fx-9860GII, you can't add a range of apps. Also, they've improved the statistical functions but these are no match for what the fx-9750GII or fx-9860GII offer. Also, don't expect the same build quality, either! A great little calculator though and well worth the low price on eBay.
Verified purchase: No
5 out of 5 stars
by ransijeaneApr 19, 2016
"best features in a scientific calculator"
I bought this calculator because it has variable memories, which means you can save values for letters A, B, C, D, E, and F into the calculator to use later on. I was having trouble memorizing a certain constant, so I saved it in my calculator. It also comes with lots of constants pre-programmed. I also love that i can go back and edit formulas after i get an answer. Also, the QR code generator is fun!
Verified purchase: Yes | Condition: New
4 out of 5 stars
by touchayApr 24, 2018
I would recommend it to anyone looking to get a functional calculator for engineering.
It is very easy to use, so many useful functions that make calculations easier than ever. I am glad I opted for this upgrade.
Verified purchase: Yes | Condition: Pre-owned

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Picture 1 of 2

Casio FX991EX Classwiz Scientific Calculator

About this product

Product Identifiers

Dimensions

All listings for this product

Ratings and Reviews

Most relevant reviews

Great Value!!! Thankful Wallet!!! Kids are sooo happy with their calculator

Too fancy-schmancy for everyday use

At present, the best value for money calculator for under £30.

"best features in a scientific calculator"

I would recommend it to anyone looking to get a functional calculator for engineering.

Best Selling in Calculators

Save on Calculators

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