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Casio FX-991ES Plus-2nd Edition Scientific Calculator With Bill Original - Picture 1 of 6
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Casio FX-991ES Plus-2nd Edition Scientific Calculator With Bill Original

Soundsoulutions_worldwide
  • (1734)
US $24.99
or Best Offer
Condition:
New
3 available / 151 sold
This one's trending. 151 have already sold.
Breathe easy. Returns accepted.
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Located in: DELHI, DELHI, India
Delivery:
Estimated between Fri, Jun 14 and Fri, Jul 19 to 43230
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eBay item number:203305482929
Last updated on May 28, 2024 03:43:25 PDTView all revisionsView all revisions

Item specifics

Condition
New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is ...
Key Size
Regular
Brand
Casio
Type
Scientific
EAN
4971850090359
Display Size
Regular
Power Source
Battery
Size
Handheld
Custom Bundle
No
Model
Casio FX-991ES Plus-2nd Edition
MPN
FX991ESPLUSSAUH
Modified Item
No
UPC
4971850182276

Item description from the seller

Soundsoulutions_worldwide

Soundsoulutions_worldwide

99.5% positive feedback
12K items sold
Visit storeContact
Joined Jul 2019
Usually responds within 24 hours

Detailed seller ratings

Average for the last 12 months

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

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Seller feedback (1,906)

6***r (100)- Feedback left by buyer.
Past 6 months
Verified purchase
A really nice scientific calculator. It was in perfect condition.
m***m (245)- Feedback left by buyer.
Past 6 months
Verified purchase
I received the item. (Casio FX-991ES Plus-2nd Edition Scientific Calculator With Bill Original). Thank you.
0***t (455)- Feedback left by buyer.
Past 6 months
Verified purchase
Good merchandise, the box was open. Thank you
See all feedback

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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