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Casio FX 260 Solar II Scientific Calculator 5" x 0.6" x 2.9"

4.6 4.6 out of 5 stars 4,962 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice in Scientific Calculators by Casio

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Black
1 Count (Pack of 1)

Purchase options and add-ons

Brand Casio
Color Black
Calculator Type Engineering/Scientific
Power Source Solar Powered
Screen Size 2.25

About this item

  • Easy-to-use design helps you quickly tackle variety of calculations
  • Solar-powered construction provides convenient, long-lasting use
  • Slide-on hard case allows safe storage and transportation
  • 144 built-in math functions help simplify calculations
  • Also includes store/recall, backspace key and more
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WARNING:

CHOKING HAZARD -- Small parts. Not for children under 3 yrs.

Important information

Legal Disclaimer

This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

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Casio FX 260 Solar II Scientific Calculator 5" x 0.6" x 2.9"
Casio FX 260 Solar II Scientific Calculator 5" x 0.6" x 2.9"
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Price-37% $9.49
List:$14.99
-27% $7.99
List:$10.99
-23% $11.99
Typical:$15.48
-6% $19.99
List:$21.19
$13.99$7.85
Delivery
Get it as soon as Tuesday, Apr 2
Get it as soon as Tuesday, Apr 2
Get it as soon as Tuesday, Apr 2
Get it as soon as Tuesday, Apr 2
Get it as soon as Tuesday, Apr 2
Get it as soon as Tuesday, Apr 2
Customer Ratings
Easy to read
4.6
4.2
4.9
3.6
4.2
Easy to learn
4.6
4.2
4.4
4.3
4.5
Value for money
4.5
4.1
4.4
3.8
4.2
Easy to use
4.5
4.3
4.3
4.2
4.3
Sold By
Amazon.com
Mr. Pen
VirVentures
Amazon.com
Wefun Stationery Store-US
Mr. Pen
model name
FX 260 SOLAR II Scientific Calculator
FX-991CW
OS-82MS Pro
power source
Solar Powered
Battery Powered
Battery Powered
Solar Powered
Battery Powered
Solar Panel (Works Only When It Is Bright) And Battery
battery quantity
2 aa, 1 unknown
1 lr44
1 aa, 1 aaa, 1 unknown
1 lr44
1 lr44
1 lr44
display type
LCD
LCD
LCD
LCD
material
Plastic
Plastic
Plastic
Plastic

Product information

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Casio FX 260 Solar II Scientific Calculator 5" x 0.6" x 2.9"


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What's in the box

  • Calculator, Hard Case Cover, Instructions
  • Product guides and documents

    Product Description

    Scientific calculator features a 10-digit display with two extra digits to tackle a variety of calculations in an easy-to-use device. Solar-powered design provides complete reliability for convenient use virtually anywhere. Slide-on hard case protects the calculator when not in use for safe storage and transportation. 144 built-in math functions speed up your calculations to simplify your calculations. Scientific calculator also includes store/recall, backspace key, exponential functions and more. Calculator is perfect for general math, pre-algebra, algebra 1 and 2, trigonometry, statistics and science.

    Customer reviews

    4.6 out of 5 stars
    4.6 out of 5
    4,962 global ratings

    Customers say

    Customers like the quality, ease of use, performance, value, and compactness of the calculator. They mention that it works well for math classes, is easy to read, and is functional. Some appreciate the compact size and light weight. Overall, customers find the product to be a good value for the price.

    AI-generated from the text of customer reviews

    90 customers mention87 positive3 negative

    Customers are satisfied with the quality of the calculator. They mention it's an excellent, powerful, and long-lasting product. Some say it'll do all the usual scientific calculations and is a reliable brand. Overall, customers are happy with their purchase and recommend it to others.

    "...It's the perfect size. It's well constructed. It's easy to use. It's inexpensive...." Read more

    "It is a small but efficient solar powered calculator." Read more

    "The quality is okay. It’s just a calculator." Read more

    "I love this little guy! Helps so much with school work and then some 👍..." Read more

    74 customers mention65 positive9 negative

    Customers find the calculator easy to use and see. They say it's intuitive, simple, and completely solar powered. Customers also appreciate the big, easy-to-read display and the fact that the instructions are written in multiple languages.

    "...It's the perfect size. It's well constructed. It's easy to use. It's inexpensive...." Read more

    "Perfect size, functionality, and price. The calculator is easy to read, it snaps very firmly into its case, and the solar power ensures reliable..." Read more

    "...basic scientific functions at 10 digit base plus two exponent, and easy to read, Only flaw is that the cover is almost impossible to get off...." Read more

    "...fits in a shirt pocket, never needs batteries, and easier to use than the calculator on your smartphone...." Read more

    65 customers mention47 positive18 negative

    Customers like the performance of the calculator. They say it's functional, works well for math classes, and operates as expected. Customers also say it provides a great balance of basic functionality and math functions to perform analysis. Overall, customers are satisfied with the product's performance.

    "This calculator simply performs all functions. Mine lasted for decades until I literally drove over it. It's the perfect size. It's well constructed...." Read more

    "Perfect size, functionality, and price...." Read more

    "...window to get more light for the solar panel to work, otherwise it won't turn on...." Read more

    "...Works great and is not big and bulky like some others." Read more

    62 customers mention62 positive0 negative

    Customers appreciate the value of the calculator. They say it works well for math classes, is inexpensive enough to be disposable, and has nice functions for the price. Some customers also mention that the packaging is difficult to open.

    "...It's the perfect size. It's well constructed. It's easy to use. It's inexpensive...." Read more

    "Perfect size, functionality, and price...." Read more

    "Inexpensive, fits in a shirt pocket, never needs batteries, and easier to use than the calculator on your smartphone...." Read more

    "...feature set well suit my needs without going overboard, and it’s low price point mean no big tears should it ever ‘lose’ me, and/or otherwise meet..." Read more

    32 customers mention32 positive0 negative

    Customers like the compactness of the calculator. They say it has a small form factor, which makes it easy to fit in a shirt pocket. Some customers also say that the screen is big and easy to see. Overall, customers are satisfied with the compact size and lightweight design of the product.

    "...Mine lasted for decades until I literally drove over it. It's the perfect size. It's well constructed. It's easy to use. It's inexpensive...." Read more

    "Perfect size, functionality, and price...." Read more

    "Inexpensive, fits in a shirt pocket, never needs batteries, and easier to use than the calculator on your smartphone...." Read more

    "...Works great and is not big and bulky like some others." Read more

    24 customers mention19 positive5 negative

    Customers like the solar power of the calculator. For example, they say it's great, rechargeable, and provides enough electricity so the unit turns on immediately after being taken. That said, some say the charging is a game changer and that the cell seems to be better than the previous model.

    "...to read, it snaps very firmly into its case, and the solar power ensures reliable operation." Read more

    "Solar powered under low light level; no battery to run out or corrode the calculator...." Read more

    "Has all the basic functions I need. Solar powered is great. I have 2, one at work and one at home...." Read more

    "...Only complaints: The solar power is kinda finicky in medium light. It’s kind of small." Read more

    15 customers mention15 positive0 negative

    Customers are satisfied with the features of the calculator. They mention that it has all the essential features for calculations in various math courses, and it contains a lot of popular scientific functions. Additionally, customers appreciate that the second functions are clear and easy to read. Overall, they find the product to be a great tool and an amazing value.

    "...buttons are big and responsive, the calculator is fast, the "second functions" are clear and easy to read...." Read more

    "Has all the basic functions I need. Solar powered is great. I have 2, one at work and one at home...." Read more

    "...Has all the essential features for calculations in various math courses." Read more

    "...It has all the basic functions I need, and is easy to read and operate. The photocells work great in providing power to operate the calculator...." Read more

    21 customers mention11 positive10 negative

    Customers are mixed about the battery of the calculator. Some mention that it never needs batteries, while others say that it does not operate on batteries.

    "Solar powered under low light level; no battery to run out or corrode the calculator...." Read more

    "This is a solar calculator only, not a hybrid (there is no battery component). There are going to be times when it does not "work"...." Read more

    "Inexpensive, fits in a shirt pocket, never needs batteries, and easier to use than the calculator on your smartphone...." Read more

    "...These inexpensive, full-function scientific calculators do not require batteries (solar powered! )..." Read more

    Works great!
    5 Stars
    Works great!
    It is a small but efficient solar powered calculator.
    Thank you for your feedback
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    Top reviews from the United States

    Reviewed in the United States on February 7, 2024
    Color: BlackSize: 1 Count (Pack of 1)Verified Purchase
    Reviewed in the United States on March 21, 2024
    Color: BlackSize: 1 Count (Pack of 1)Verified Purchase
    Customer image
    5.0 out of 5 stars Works great!
    Reviewed in the United States on March 21, 2024
    It is a small but efficient solar powered calculator.
    Images in this review
    Customer image
    Customer image
    Reviewed in the United States on January 27, 2024
    Color: BlackSize: 1 Count (Pack of 1)Verified Purchase
    Reviewed in the United States on April 19, 2023
    Color: BlackSize: 1 Count (Pack of 1)Verified Purchase
    One person found this helpful
    Report
    Reviewed in the United States on June 20, 2023
    Color: BlackSize: 1 Count (Pack of 1)Verified Purchase
    2 people found this helpful
    Report
    Reviewed in the United States on October 21, 2023
    Color: BlackSize: 1 Count (Pack of 2)Verified Purchase
    One person found this helpful
    Report
    Reviewed in the United States on February 12, 2024
    Color: BlackSize: 1 Count (Pack of 1)Verified Purchase
    Reviewed in the United States on December 23, 2018
    Color: BlackSize: 1 Count (Pack of 1)Verified Purchase
    Customer image
    Bob
    3.0 out of 5 stars ‘OK’ Calculator - Asinine Hard To Open Packaging
    Reviewed in the United States on December 23, 2018
    In my opinion:

    My first Casio calculator… arrived in a timely fashion, and the actual product seems to be overall ‘ok’; but comes with some baggage.

    Spent an hour getting up to speed with it. It’s intuitive, but was disappointed to find that both often used 1/X and √ functions require shifting. An annoyance that won’t go away with time. Wish HP made a quality RPN solar calculator suitable for glove compartment/field use.

    The products small size & feature set well suit my needs without going overboard, and it’s low price point mean no big tears should it ever ‘lose’ me, and/or otherwise meet an untimely demise.

    Sadly, right off the bat this product earned a two star demerit due to extremely infuriating, over the top asinine, difficult to open retail blister package. The item being an ‘Add On Item’ was another contributing factor. (This was my first, and last ‘Add On Item’ purchase… don’t get me started.)

    Review posted 12/23/2018, and will be updated should experience warrant.

    Again, all above is just my opinion.
    Images in this review
    Customer image
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    4 people found this helpful
    Report

    Top reviews from other countries

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    mronlinetutor
    5.0 out of 5 stars Calculator
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    Reviewed in Brazil on February 24, 2023
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    5.0 out of 5 stars Fonctionne sans batterie
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    5.0 out of 5 stars Todo bien aunque.........
    Reviewed in Mexico on October 21, 2020
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    norinori
    5.0 out of 5 stars このサイズの関数電卓は貴重
    Reviewed in Japan on January 31, 2024
    Color: BlackSize: 1 Count (Pack of 1)Verified Purchase