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Casio FX-991ES Plus C Scientific Calculator - TESTED - NEW BATTERY - FAST SHIP

nullzilla2003
  • (63)
C $23.00
ApproximatelyUS $16.70
or Best Offer
Condition:
Used
“Comes with case and a new battery. Good condition, no dead pixels on screen. See pictures for ”... Read moreabout condition
Shipping:
C $9.50 (approx US $6.90) Canada Post Tracked Packet - USA. See detailsfor shipping
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Located in: Québec, Canada
Delivery:
Estimated between Mon, Jun 17 and Mon, Jun 24 to 43230
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eBay item number:326049573938
Last updated on Jun 03, 2024 18:55:07 PDTView all revisionsView all revisions

Item specifics

Condition
Used
An item that has been used previously. The item may have some signs of cosmetic wear, but is fully operational and functions as intended. This item may be a floor model or store return that has been used. See the seller’s listing for full details and description of any imperfections. See all condition definitionsopens in a new window or tab
Seller Notes
“Comes with case and a new battery. Good condition, no dead pixels on screen. See pictures for ...
Brand
Casio
Key Size
Regular
Type
Scientific
Power Source
Battery/Solar
Size
Handheld
Model
FX-991ES Plus
MPN
FX991MS/ES

About this product

Product Information

Easily compute the most complex of mathematical problems, equations, and scientific formulae with the Casio FX-991ES Plus scientific calculator. The Casio 991ES calculator works with a dual power source, the primary being a built-in solar power cell that keeps it running for hours without any batteries. Moreover, with batteries installed, you can safely use it for weeks together without worrying of replacing them. You can practice all sorts of mathematical problems that appear at the GCSE, A Levels and above, with this Casio FX-991ES Plus scientific calculator. The Casio 991ES calculator resolves complex calculations, integrations, and logarithms in just a few steps.

Product Identifiers

Brand
Casio
MPN
FX991MS/ES
UPC
4971850182276
Model
FX-991ES Plus
eBay Product ID (ePID)
92844524

Product Key Features

Power Source
Battery/Solar
Size
Handheld
Key Size
Regular
Type
Scientific

Additional Product Features

Display Type
Large

Item description from the seller

nullzilla2003

nullzilla2003

100% positive feedback
211 items sold
Seller's other itemsContact
Joined Nov 2007

Detailed seller ratings

Average for the last 12 months

Accurate description
4.9
Reasonable shipping cost
4.7
Shipping speed
5.0
Communication
5.0

Seller feedback (64)

p***0 (85)- Feedback left by buyer.
Past month
Verified purchase
The item came as described and was packaged well!
Spec Ops: The Line (Microsoft Xbox 360, 2012) CIB - TESTED - FAST SHIPPING (#326107708069)
5***0 (1210)- Feedback left by buyer.
Past 6 months
Verified purchase
Item as described, well packaged, fast shipping
Tenchu Z (Microsoft Xbox 360, 2007) CIB - TESTED - FAST SHIPPING (#326107709211)
a***o (105)- Feedback left by buyer.
Past 6 months
Verified purchase
Fast shipping, very well packaged, and accurate description and pictures
Need for Speed: Carbon (PC, 2006) Collector's Edition Complete - FAST SHIPPING (#326049553967)
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Product ratings and reviews

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4.8
207 product ratings
  • 186 users rated this 5 out of 5 stars
  • 13 users rated this 4 out of 5 stars
  • 1 users rated this 3 out of 5 stars
  • 0 users rated this 2 out of 5 stars
  • 7 users rated this 1 out of 5 stars

Would recommend

Good value

Good quality

Most relevant reviews

See all 120 reviews
  • by hendersonnh
    May 18, 2020Top favorable review

    Equation Solver

    I bought the Casio FX-991 ES. Fantastic for using Newton's law of approximation to solve equations like sinδ = a + bcos(δ + β) (a, b, β constants). Just substitute the ANS key for δ in the equation and keep hitting the "=" button till the answer doesn't change (converges).

    Verified purchase: YesCondition: NewSold by: discountwatch-llc

  • by twilliams9279
    Mar 14, 2011

    Easy to Use

    I bought this calculator because it was the best allowed for use on my exams (best in terms of its features and capablities). The "pretty print" font feature is great too. It can even perform integration and differentiation of a function at a specific value of the independent variable (or over a specified nonvariable range. Unfortunately, it can't produce the function that is the derivative, etc. of a given function like the TI89 (but then if it could it probably wouldn't be allowed on your exam anyhow). Anyway, this thing is pretty decent for calculus and physics - for stats, use a TI83 instead if you can. It is more than adaquate for business types and decent for science students too assuming your professor is against more advanced models. Engineers already know they'll be needing ...

  • by aguyonthebuy
    Sep 04, 2018

    Best Simple Display Calculator I've Used

    Best non graphing calculator for engineering courses I've used. Best part is being able to plug in human readable fractions.

    Verified purchase: YesCondition: NewSold by: ahmed1164

  • by sousabaye
    Jan 28, 2017

    Precise with great features

    I'm a student and this calculator helps me a lot to accomplish the math exercises required by class. Many functions are included, more than I will need actually but I loved the design, the big screen, the price and the ease of use.

    Verified purchase: YesCondition: NewSold by: ahmed1164

  • by helius619
    Sep 29, 2020

    Great for Digital Systems Design

    I recommend this model for CS studies and Electrical Engineering. It's real easy to calculate in non decimal base: base 2 8 and 16 and to convert it back to decimal. I think there are calculator models with a more robust screen. I guess that's why it's relatively cheap

    Verified purchase: YesCondition: NewSold by: easystreet_hangout

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