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Casio FX-991ES Plus 2nd Edition Scientific Calculator - Picture 1 of 3
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Casio FX-991ES Plus 2nd Edition Scientific Calculator

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  • (585)
US $29.50
Condition:
New
3 available
Breathe easy. Returns accepted.
Shipping:
US $3.99 Standard Shipping from India. See detailsfor shipping
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Located in: LUCKNOW, UTTAR PRADESH, India
Delivery:
Estimated between Tue, Jul 9 and Wed, Jul 24 to 43230
Estimated delivery dates - opens in a new window or tab include seller's handling time, origin ZIP Code, destination ZIP Code and time of acceptance and will depend on shipping service selected and receipt of cleared paymentcleared payment - opens in a new window or tab. Delivery times may vary, especially during peak periods.
Please note the delivery estimate is greater than 11 business days.
Please allow additional time if international delivery is subject to customs processing.
Returns:
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eBay item number:294893757019
Last updated on Feb 28, 2024 04:18:34 PSTView all revisionsView all revisions

Item specifics

Condition
New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is ...
Brand
Casio
Key Size
Regular
Type
Scientific
Display Size
Large
Power Source
Battery/Solar
Size
Handheld
Model
FX-991ES Plus
MPN
FX991MS/ES
UPC
Does not apply

Item description from the seller

Check-inStore

Check-inStore

94.2% positive feedback
7.1K items sold
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Joined May 2018
Usually responds within 24 hours

Detailed seller ratings

Average for the last 12 months

Accurate description
4.7
Reasonable shipping cost
4.6
Shipping speed
4.8
Communication
4.8

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Seller feedback (691)

e***n (16)- Feedback left by buyer.
Past 6 months
Verified purchase
My purchase arrived damaged in the mail, but the seller was very responsive and made things immediately right. Seller is of high integrity and I would highly recommend them for their commitment to quality and their excellent communication. A++.
Gone with the Wind by Margaret Mitchell (2018, Hardcover) Express Shipping (#294924963286)
_***y (1)- Feedback left by buyer.
Past 6 months
Verified purchase
The book is new, but it has just one corner of the cover bent. The packings was fair, the book was wrapped with cardboard and a bag. The custom taxes are not included in the shipping, I have to paid them. The description is alright, but the item specifics don't match with the despcripción, you should ask the seller to confim the features of the item. The item has arrived on time before the approximate arrival time.
Chemical Reaction Engineering by Octave Levenspiel Reprint INTERNATIONAL EDITION (#294752522487)
j***2 (137)- Feedback left by buyer.
Past year
Verified purchase
Shipped promptly and well packaged! Item was as described. Arrived earlier than expected. Would recommend this seller!
Harry Potter and the Philosopher's Stone by J.K. Rowling (2022, Hardcover) 25th. (#295281184895)
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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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