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FX-115ESPLUS Casio FX115ESPLUS Scientific Calculator Black 1-Pack 1

4.7 4.7 out of 5 stars 7,229 ratings

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  • Perfect choice for high school and college students
  • Natural Textbook Display is highly visible
  • Protective hard case keeps calculator from being damaged
  • Powered by solar power and features battery backup supply for reliable use

From the manufacturer

Casio fx-115ES PLUS Engineering/Scientific Calculator

Casio's latest and most advanced scientific calculator features new Natural Textbook Display and improved math functionality. FX-115ES PLUS has been designed to be the perfect choice for high school and college students learning General Math, Trigonometry, Statistics, Algebra I and II, Calculus, Engineering, Physics.

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FX-115ESPLUS Casio FX115ESPLUS Scientific Calculator Black 1-Pack 1
FX-115ESPLUS Casio FX115ESPLUS Scientific Calculator Black 1-Pack 1
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PriceCurrently unavailable.$9.99$9.99$9.99$6.99
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Get it as soon as Tuesday, Mar 26
Get it as soon as Tuesday, Mar 26
Get it as soon as Tuesday, Mar 26
Get it as soon as Tuesday, Mar 26
Customer Ratings
Value for money
4.6
4.3
4.3
4.3
4.3
Light weight
4.7
4.7
4.7
4.7
Sturdiness
4.3
4.3
4.3
4.3
Durability
4.3
4.3
4.3
4.3
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Kdracoip Direct
Kdracoip Direct
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FX-115ESPLUS Casio FX115ESPLUS Scientific Calculator Black 1-Pack 1


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Product Description

Advanced scientific calculator features Natural Textbook Display technology to show your mathematical expressions exactly as they appear in the textbook. Protective hard case keeps the calculator from being damaged while traveling. Calculator is powered by solar power and features a battery backup supply. Calculator is designed to be the perfect choice for students learning trigonometry, statistics, Algebra I and II, calculus, engineering, physics and more.

What's in the box

  • Calculator
  • Customer reviews

    4.7 out of 5 stars
    4.7 out of 5
    7,229 global ratings

    Customers say

    Customers like the quality, ease of use, performance, value, and versatility of the calculator. For example, they mention it's a decent enough scientific calculator, easy to learn and use, and has a great combination of built-in functions, constants, and conversions. That said, they appreciate the vast array of functions and abilities it provides.

    AI-generated from the text of customer reviews

    684 customers mention625 positive59 negative

    Customers are satisfied with the quality of the calculator. They mention that it is a decent enough scientific calculator, easy to use, and a great calculator for exams. Some say that it's a powerful little calculator that is worth learning how to use and can do a lot. Some customers also mention that the calculator is the best certified for the PE exam. Overall, customers are happy with their purchase and recommend it to others.

    "...It is a high-quality product that is worth every penny. You will not regret buying it." Read more

    "...All three are good calculators, but I particularly like being able to go back and verify/fix my calculations by just pushing the up arrow and being..." Read more

    "...- The battery life. My battery is still going strong, but more importantly, I'm never paranoid it will die in the middle of an exam because it has a..." Read more

    "It's a powerful little calculator...." Read more

    419 customers mention361 positive58 negative

    Customers find the functions and user interface of the calculator easy to use. They also appreciate the simple controls and the ability to do calculations and get results in both English and Spanish. Customers also mention that the calculator is much easier than learning on the HP-48GS or learning any RPN. They appreciate the features that help calculations be much more simple.

    "...It is very easy to use and has a clear display.I ordered it from Amazon and it arrived very fast. The price was also cheaper than other places...." Read more

    "...RPN notation and it has a lot of flexibility since it does allow you to program equations into it, but since it is battery powered, I've found..." Read more

    "...Pros:1. Incredible price/performance value.2. Intuitive entry.3. Surprisingly powerful capabilities.4...." Read more

    "...I can attest that this Casio has improved my experience in every class I have taken since buying it." Read more

    363 customers mention332 positive31 negative

    Customers are satisfied with the performance of the calculator. They mention that it has a great combination of built-in functions, constants, and conversions. They also appreciate the fraction and radical form, which is very useful. The display is crisp and well suited to the purposes of the product. Overall, customers are happy with the functionality and capabilities of the device.

    "...It has a great combination of built in functions, constants and conversions...." Read more

    "...2. Intuitive entry.3. Surprisingly powerful capabilities.4. Light and (relatively) ergonomic.5...." Read more

    "...This is useful for all engineering classes in the U.S. (text books have half the examples in metric, and half in imperial units) but especially..." Read more

    "...Its capabilities are handy - vector resolution/cross products. Solving systems of equations...." Read more

    225 customers mention225 positive0 negative

    Customers appreciate the value of the calculator. They mention that it is well worth the very low price, simple, and powerful for the price. Some say that it's nice for a cheap backup and that the display is nice and roomy for the money.

    "...I ordered it from Amazon and it arrived very fast. The price was also cheaper than other places...." Read more

    "...Pros:1. Incredible price/performance value.2. Intuitive entry.3. Surprisingly powerful capabilities.4...." Read more

    "...The price. super cheap.- The capability...." Read more

    "...It makes my life easier and is very powerful for the price...." Read more

    123 customers mention123 positive0 negative

    Customers appreciate the versatility of the calculator. They say it has many useful features, a vast array of functions, and many abilities required of students. They mention that it provides integration/derivative functionality along with equation solvers that just scratch the surface. Additionally, customers appreciate the nice options for limited integrals and vector/matrix operation that save time. Overall, they say it's awesome for trig class and has a lot of flexibility.

    "...It is a great calculator that can handle many functions and modes...." Read more

    "...Compared to the HP, I prefer the HPs RPN notation and it has a lot of flexibility since it does allow you to program equations into it, but since..." Read more

    "...instead of relying on a calculator, but this one has a surprising number of functions...." Read more

    "...It has a myriad of features and functions, so I think I will be satisfied with its capabilities...." Read more

    53 customers mention47 positive6 negative

    Customers like the portability of the calculator. They mention that it is light weight, slim, and easy to carry. Some say that it fits in a shirt pocket and is a compact calculator that does all that you need.

    "“Best calculator ever” - an engineer in grad schoolLightweight, slim, sturdy, and buttons are easy to press (few to no typos)...." Read more

    "...But I imagine the same thing.I also note is that it is very light. One can almost forget it's in the hand...." Read more

    "...Lightweight, slim and sleekCons:- Onboard flash memory no USB or external storage-..." Read more

    "Very capable calculator;good key layout; nicely Lightweight,especially in comparison to simularly powerful calculators; display is crisp and well..." Read more

    52 customers mention48 positive4 negative

    Customers like the brightness of the product. They say that the display is clear and easy to read. The wide screen makes it easy to see. Customers also say that it helps with trigonometry, with the textbook display making their life much easier. They also appreciate the good screen resolution and the battery power. However, some customers feel the LCD contrast ratio is OK but not great.

    "...It is very easy to use and has a clear display.I ordered it from Amazon and it arrived very fast. The price was also cheaper than other places...." Read more

    "...The Casio is nice because it is easy to read the display as you are entering equations and since it shows them as equations..." Read more

    "...The way the input works it's very simple to see what you're typing in...." Read more

    "...that does most everything I need it to, lots of functionality, good screen resolution...." Read more

    63 customers mention8 positive55 negative

    Customers dislike the buttons on the calculator. They mention that they're overtly loose, wobble a lot, and are flimsy. Some say that the print on the buttons begins to wear off soon. They also mention that the layout does not feel natural and the on button is stuck down.

    "...2. Keyboard has a very light touch, and a little wobbly and mushy, like a TI...." Read more

    "...The button placement also doesn't seem way too intuitive, but if you're used to casio calculators, it shouldn't be too hard to figure out...." Read more

    "...5 stars as I’m sure it’s a fluke, but when I got the calculator it didn’t turn on, and apparently the battery had oxidized and warped...." Read more

    "...First, the buttons seem overtly loose. They all seem to work OK. But they act like they're all going to fall out. That hasn't happened...." Read more

    All-time favorite calculator!
    5 Stars
    All-time favorite calculator!
    “Best calculator ever” - an engineer in grad schoolLightweight, slim, sturdy, and buttons are easy to press (few to no typos). I had this calculator 10 years ago in middle school but unfortunately it got stolen .. needed an NCEES compliant calc for my FE exam, and was thrilled that this made the cut to have an excuse to buy this again.Giving 5 stars as I’m sure it’s a fluke, but when I got the calculator it didn’t turn on, and apparently the battery had oxidized and warped. Thankfully it didn’t damage the calculator, I only spent $5 to get a new LR44 (the 357/303’s work just fine if anyone for some reason has this problem).To any fellow exam takers good luck, this is the one you want :)
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    Top reviews from the United States

    Reviewed in the United States on December 8, 2023
    Reviewed in the United States on April 24, 2020
    3 people found this helpful
    Report
    Reviewed in the United States on November 3, 2023
    Customer image
    5.0 out of 5 stars All-time favorite calculator!
    Reviewed in the United States on November 3, 2023
    “Best calculator ever” - an engineer in grad school

    Lightweight, slim, sturdy, and buttons are easy to press (few to no typos). I had this calculator 10 years ago in middle school but unfortunately it got stolen .. needed an NCEES compliant calc for my FE exam, and was thrilled that this made the cut to have an excuse to buy this again.

    Giving 5 stars as I’m sure it’s a fluke, but when I got the calculator it didn’t turn on, and apparently the battery had oxidized and warped. Thankfully it didn’t damage the calculator, I only spent $5 to get a new LR44 (the 357/303’s work just fine if anyone for some reason has this problem).

    To any fellow exam takers good luck, this is the one you want :)
    Images in this review
    Customer image
    Customer image
    Reviewed in the United States on July 24, 2014
    25 people found this helpful
    Report

    Top reviews from other countries

    Translate all reviews to English
    Buen producto
    5.0 out of 5 stars Buen producto
    Reviewed in Mexico on December 21, 2023
    One person found this helpful
    Report
    F.A.
    5.0 out of 5 stars Best calculator I own!
    Reviewed in Canada on October 28, 2017
    Customer image
    F.A.
    5.0 out of 5 stars Best calculator I own!
    Reviewed in Canada on October 28, 2017
    I had used this calculator for high school for many years and just reorder it for university. I’ll list a pros and cons list after my short summary.

    TLDR:

    This is by far the best calculator I’ve had, it’s super easy to use and a great experience to use. It’s really nice to have the save functions (A, B, C, and so on). The cover is good to have as well, with extra functions on it. It’s accepted in most tests and exams (only one I wasn’t able to use t for was accounting, where we were only allowed a simple addition, multiplication, subtraction and divisions calculator). The keys are super tactile really nice to type and use. Overall, if you don’t lose this one, it will be a companion for many years!

    Before going into pros and cons, I wanted to note that a friend of mine saw me using this and how easy and straight forward I solved finance problems in seconds (mind you I have used it for a long time, so it is second nature for me) he asked me to order one for him to replace his calculator! So I think that speaks wonders on how impressive and handy this calculator is! After all, it’s the best calculator I own!

    Pros:
    - Good screen. I have had no issues reading this screen both indoors and out (after exams discussing questions) in all kinds of light scenarios.
    - Great calculator. I owned many prior to buying this and never had any issues with them! They were super long lasting, the only time I needed to replace them was when I misplaced them or a friend I loaned it to lost it!
    - Good build. This is made with plastic, but let me tell you it is not by any means cheap feeling/looking. I’ve really enjoying using it and it feels great I the hand in terms of size.
    - Super easy to use. This is one of the few calcs that has a fraction function (see photo - ps: equation in photo is [(12/6)/6]). This makes many equations super easy to use. Also, the alpha save function allows you to carry exact answers in further calculations, super handy!
    - Long lasting battery. Like I said, I never needed to replace any so as far as I’m concerned, with regular everyday use this battery is super long lasting!
    - Great price. In terms of function per dollar, I have not found any better replacements for this.

    Cons:
    - Not a graphing calculator. For my engineering friends, this won’t fit your needs... but that’s more on you needing more of a calculator than the average person, not the calculator itself!
    - It’s so good... I’ve had a few friends borrow some of my older ones and they got ‘lost’... only a few months later to see them use it. So be aware! This may be taken if you don’t keep an eye on it... for me this was a pro - it let me know who my true friends are! No real friend will steal from you.

    I hope my review was helpful for you to know if this calculator is a good fit for your needs!
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    21 people found this helpful
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    charlie
    5.0 out of 5 stars Five Stars
    Reviewed in India on September 4, 2017
    One person found this helpful
    Report
    リッつん
    5.0 out of 5 stars All!
    Reviewed in Japan on February 8, 2019
    Java joe
    5.0 out of 5 stars Easy to use, follows general math logic for input
    Reviewed in Canada on February 21, 2021