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Casio FX-991ES Plus Scientific Calculator 2nd Generation With Bill and Invoice

US $27.50/ea
or Best Offer
Condition:
New
4 available / 7 sold
Bulk savings quantity 1
Bulk savings:
Buy 4 or more for 26.13 each one
Breathe easy. Returns accepted.
Shipping:
Free Economy Shipping from outside US. See detailsfor shipping
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Information
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Located in: DELHI, DELHI, India
Delivery:
Estimated between Fri, Jun 7 and Fri, Jul 12 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 9 business days.
Please allow additional time if international delivery is subject to customs processing.
Returns:
30 days returns. Buyer pays for return shipping. See details- for more information about returns
Payments:
      
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eBay item number:203305483956
Last updated on Apr 28, 2024 07:38:37 PDTView all revisionsView all revisions

Item specifics

Condition
New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is ...
Size
Handheld
Key Size
Regular
Model
Casio FX-991ES Plus Scientific Calculator 2nd Generation
Modified Item
No
MPN
FX991MSES
Custom Bundle
No
Brand
Casio
Power Source
Battery, Solar
Type
Scientific
Display Size
Regular
UPC
Does not apply

Item description from the seller

Soundsoulutions_worldwide

Soundsoulutions_worldwide

99.5% positive feedback
12K items sold
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

Seller feedback (1,905)

0***r (245)- Feedback left by buyer.
Past month
Verified purchase
Excellent seller, the item received as described, carefully packaged, exceptional communication, fast shipping, highly recommended.
a***m (255)- Feedback left by buyer.
Past 6 months
Verified purchase
Fantastic service! Ordered on Jan. 26th and paid extra for faster delivery. Confirmation stated delivery between 2/2 - 2/9. I received it 2/1 very well packed, in perfect condition and as described. Great Ebay Seller. ⭐️⭐️⭐️⭐️⭐️
l***k (210)- Feedback left by buyer.
Past year
Verified purchase
Item as described. Good communication. Super-fast shipping via FedEx. Neatly packaged. Great seller. Highly recommend!

Product ratings and reviews

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

  • Top 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

  • 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 ...

  • 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

  • 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

  • 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