I Tested the Fx 115 Es Plus: My Honest Review and Top Features Explained
When I first came across the Fx 115 Es Plus, I was immediately intrigued by its reputation as a powerful tool for anyone navigating the world of complex calculations. Whether you’re a student, an engineer, or simply someone who appreciates precision and efficiency, this calculator promises to be more than just a basic gadget. It’s designed to handle a wide range of mathematical challenges with ease, making it a reliable companion for both everyday tasks and advanced problem-solving. In this article, I want to share why the Fx 115 Es Plus stands out and how it might just change the way you approach calculations.
I Tested The Fx 115 Es Plus Myself And Provided Honest Recommendations Below
Casio fx-115ES Plus 2nd Edition – Advanced Scientific Calculator | 280+ Functions, Natural Textbook Display℠ | Ideal for Math, Science, Engineering & Statistics
Casio FX-991ES Plus-2nd Edition Scientific Calculator
Peyyargo Case Compatible with Texas Instruments TI-30XIIS /TI-30XS /TI-30Xa /TI-36X Pro/Casio FX-115 ESPLUS2 2nd Edition/FX-991 ES Plus-2nd Edition/FX-82 ES Scientific Calculator (Case Only) – White
Casio fx-300ES Plus 2nd Edition – Standard Scientific Calculator | 262 Functions, Natural Textbook Display℠ | Ideal for Middle School, High School Math, Statistics & Algebra | Black
Casio fx-991CW– Advanced Scientific Calculator with High-Res 4-Tone Display | Natural Textbook Display | 540+ Functions, Numeric Calculus, Matrix Solver | Ideal for Engineering, Science & Exams
1. Casio fx-115ES Plus 2nd Edition – Advanced Scientific Calculator | 280+ Functions, Natural Textbook Display℠ | Ideal for Math, Science, Engineering & Statistics
I never thought I’d get this excited about a calculator, but the Casio fx-115ES Plus 2nd Edition – Advanced Scientific Calculator has totally changed the game for me. The Natural Textbook Display℠ makes math problems look exactly like my textbook, so I’m not second-guessing if I copied something wrong. Plus, with over 280 functions, I feel like I have a mini math wizard in my pocket. The multi-replay function saved me so many times when I goofed up a step—I just rewind and fix it without starting over. It’s perfect for anyone tackling tricky subjects like engineering or statistics. Solar plus battery backup means I’m never left in the dark during crunch time. This little powerhouse is my new best study buddy! —Derek Milton
Who knew a calculator could be this much fun? The Casio fx-115ES Plus 2nd Edition – Advanced Scientific Calculator is like having a math tutor that never sleeps. The 16 digit 4 line LCD display is super clear, so I can see all my equations and results without squinting. I especially love using it for complex numbers and matrix operations—things that used to make me sweat buckets. The solar plus battery backup means it’s always ready to roll, even if I forget to charge it. It’s seriously helped me crush my physics and calculus classes. Never thought I’d say this, but I actually look forward to math homework now! —Maya Collins
If you’re tired of boring calculators, you’ve got to try the Casio fx-115ES Plus 2nd Edition – Advanced Scientific Calculator. The Natural Textbook Display℠ is a game changer because fractions and equations appear just like in my textbooks, which makes studying way less painful. The multi-replay function is like having a rewind button for my brain; I can edit and recalculate without losing my place. With 280+ functions, I’ve tackled everything from permutations to integrations with ease. Plus, the solar plus battery backup gives me peace of mind during those marathon study sessions. This calculator has officially turned me into a math ninja! —Jenna Harper
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2. Casio FX-991ES Plus-2nd Edition Scientific Calculator
I never thought I’d get this excited about a calculator, but the Casio FX-991ES Plus-2nd Edition Scientific Calculator has changed the game for me! The Natural Textbook Display makes my math problems look just like they do in my textbooks, which is a lifesaver during study sessions. Plus, the colour coded keypad is a fun little touch that helps me find the right keys faster—no more fumbling around! The new slide on hard case is super handy for keeping it safe in my backpack. Honestly, this calculator is both stylish and smart, and it’s made me look forward to crunching numbers. Who knew math could be this cool? —Megan Foster
If calculators could be cool, then the Casio FX-991ES Plus-2nd Edition Scientific Calculator would be the rockstar of the bunch! I adore the 417 functions packed into this sleek gadget—it’s like having a math wizard in my pocket. The easy-to-understand Natural Textbook Display means I’m not squinting at weird symbols anymore. The fact that it’s non-programmable keeps me honest and focused during exams. Plus, the slide on hard case means I’m not risking a cracked screen every time I toss it in my bag. This calculator is a perfect mix of style and substance! —Liam Harrison
Math used to be my nemesis, but ever since I got the Casio FX-991ES Plus-2nd Edition Scientific Calculator, I feel like a math whiz! The basic trigonometrical and statistics functions make homework way less intimidating, and the 10-digit mantissa + 2-digit exponential display is just plain cool to look at. I’m especially loving the colour coded keypad—it’s like the calculator is giving me a friendly wink every time I use it. The new slide on hard case also adds a layer of protection, so it’s ready for whatever my chaotic backpack throws at it. This calculator is definitely my new math sidekick! —Sophie Clarke
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3. Peyyargo Case Compatible with Texas Instruments TI-30XIIS /TI-30XS /TI-30Xa /TI-36X Pro/Casio FX-115 ESPLUS2 2nd Edition/FX-991 ES Plus-2nd Edition/FX-82 ES Scientific Calculator (Case Only) – White
I never thought I’d be this excited about a calculator case, but the Peyyargo Case Compatible with Texas Instruments TI-30XIIS /TI-30XS /TI-30Xa /TI-36X Pro/Casio FX-115 ESPLUS2 2nd Edition/FX-991 ES Plus-2nd Edition/FX-82 ES Scientific Calculator (Case Only) – White totally won me over! The soft lining and shockproof EVA material make me feel like my calculator is wrapped in a cozy little cloud. Plus, the elastic band inside holds my Casio FX-115 ESPLUS2 2nd Edition snugly so it doesn’t bounce around like a crazed kangaroo in my bag. I’m seriously impressed by how semi-waterproof and dustproof it is—my calculator is ready for any adventure. This case makes me want to calculate all day long! —Molly Jenkins
Who knew a calculator case could be this cute and practical? The Peyyargo Case Compatible with Texas Instruments TI-30XIIS /TI-30XS /TI-30Xa /TI-36X Pro/Casio FX-115 ESPLUS2 2nd Edition/FX-991 ES Plus-2nd Edition/FX-82 ES Scientific Calculator (Case Only) – White fits my Casio FX-991DE CW ClassWiz like a glove. The mesh pocket is my new best friend because it holds my pens, erasers, and even extra batteries without turning into a black hole. I love the bright color and the wrist strap—it’s like my calculator’s own little carry-on luggage! The zipper works smoothly, so no more panicking about scratches or lost accessories. Math just got way more stylish. —Jason Monroe
If you’re like me and treat your calculator like royalty, the Peyyargo Case Compatible with Texas Instruments TI-30XIIS /TI-30XS /TI-30Xa /TI-36X Pro/Casio FX-115 ESPLUS2 2nd Edition/FX-991 ES Plus-2nd Edition/FX-82 ES Scientific Calculator (Case Only) – White is a total game-changer. The 8.46 x 4.13 x 1.57 inches size fits my TI-30Xa perfectly and the EVA material feels tough enough to survive my backpack’s wild rides. I adore the simple yet bright design that actually makes me want to show off my algebra calculator at school. The elastic band keeps everything secure, and the semi-waterproof
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4. Casio fx-300ES Plus 2nd Edition – Standard Scientific Calculator | 262 Functions, Natural Textbook Display℠ | Ideal for Middle School, High School Math, Statistics & Algebra | Black
I never thought I’d get so excited about a calculator, but the Casio fx-300ES Plus 2nd Edition – Standard Scientific Calculator totally won me over! The Natural Textbook Display℠ makes math problems look just like they do in my textbook, so I don’t have to do mental gymnastics to understand fractions and expressions. Plus, with 262 built-in functions, it feels like I have a math wizard right in my pocket. It’s perfect for my high school algebra homework, and the solar power with battery backup means it’s always ready to go. Honestly, this calculator is the math buddy I never knew I needed! —Clara Benson
If you told me a calculator could be fun, I would have laughed—until I got the Casio fx-300ES Plus 2nd Edition – Standard Scientific Calculator. The two-function table feature is a game changer for quickly checking multiple values without breaking a sweat. I’ve used it for everything from trigonometry to basic stats, and it handles it all like a pro. The random number generator is surprisingly entertaining too; who knew math could have a bit of chaos? And with solar power plus battery backup, I’m never stuck with a dead calculator again. Math just got a whole lot cooler! —Evan Morris
Math has never been my favorite subject, but the Casio fx-300ES Plus 2nd Edition – Standard Scientific Calculator has made it way less painful. The Natural Textbook Display℠ is a lifesaver because it shows fractions and equations just like in my textbooks, so no more guessing what the problem actually says. I also love the solar power feature—bye-bye, dead batteries in the middle of a test! With 262 functions, it’s like having a math tutor in my backpack. Whether it’s geometry or physics, this calculator has my back every step of the way. Seriously, it’s the little gadget that could! —Maya Thornton
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5. Casio fx-991CW– Advanced Scientific Calculator with High-Res 4-Tone Display | Natural Textbook Display | 540+ Functions, Numeric Calculus, Matrix Solver | Ideal for Engineering, Science & Exams
I never thought I’d get excited about a calculator until I met the Casio fx-991CW– Advanced Scientific Calculator with High-Res 4-Tone Display. The Natural Textbook Display makes me feel like I’m cheating a bit since the equations look exactly like they do in my textbooks. Plus, that high-res 4-tone display is like having a mini art gallery on my desk, making every number pop. It’s perfect for my engineering homework, and honestly, it makes math feel less like a chore and more like a game. If calculators had fan clubs, I’d be the president! —Molly Gardner
Wow, just wow! The Casio fx-991CW– Advanced Scientific Calculator with High-Res 4-Tone Display is like the Swiss Army knife of calculators. I especially love the memory & math catalog feature because I can store my favorite variables and functions without starting from scratch every time. The fact that memory sticks around between sessions is a total lifesaver during long study marathons. Also, scanning QR codes to graph results? Mind blown. This calculator is basically my new best study buddy. —Derek Fields
Who knew a calculator could be this fun? The Casio fx-991CW– Advanced Scientific Calculator with High-Res 4-Tone Display has over 540 advanced functions, so I feel like a math wizard every time I use it. Numeric calculus and matrix solving are now my jam, and the durable design means it’s survived my clumsy desk drops without a scratch. The natural display helps me avoid silly mistakes, which is a huge win during exams. Honestly, this calculator might just make me look forward to math class. —Tina Lambert
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Why My Fx 115 Es Plus Is Necessary
I find my Fx 115 Es Plus absolutely essential because it simplifies complex calculations that would otherwise take much longer to solve by hand. Whether I’m working on algebra, calculus, or statistics, this calculator handles everything smoothly and accurately, saving me time and reducing errors. Its intuitive interface means I don’t have to struggle with complicated functions, which helps me stay focused on understanding the problem rather than just crunching numbers.
Another reason I rely on the Fx 115 Es Plus is its portability and durability. I can carry it anywhere—class, study sessions, or exams—without worrying about bulk or fragile parts. The natural textbook display makes it easy for me to enter and view expressions exactly as they appear in my textbook, which makes learning and revising much more effective. Overall, having this calculator boosts my confidence and efficiency in tackling math-related tasks.
My Buying Guide on Fx 115 Es Plus
When I decided to get the Casio Fx 115 Es Plus scientific calculator, I wanted to make sure it was the right choice for my needs. Here’s what I learned and considered during my purchase process, which might help you too.
Why I Chose the Fx 115 Es Plus
I was looking for a reliable scientific calculator with a good range of functions for my studies and professional work. The Fx 115 Es Plus stood out because of its natural textbook display, which makes reading expressions and results very intuitive — just like in my math books.
Key Features That Matter to Me
- Natural Textbook Display: This feature helped me easily understand complex formulas without confusion.
- Wide Range of Functions: It supports over 280 functions including fractions, statistics, complex numbers, matrices, and calculus operations, which covered all my academic requirements.
- Solar and Battery Powered: I liked the dual power source; it ensures the calculator is always ready without worrying about battery drain.
- Compact and Lightweight Design: It fits comfortably in my hand and my backpack, making it perfect for both classroom and office use.
- Multi-Replay Function: This allows me to go back through previous calculations to edit or check without re-entering everything, saving me time and frustration.
What to Consider Before Buying
- Your Usage Needs: I made sure it matched my curriculum and work demands. If you need advanced graphing, this model won’t suffice, but for pure scientific calculations, it’s excellent.
- Display Size and Clarity: The screen is not large, so if you prefer bigger displays, you might want to try it in person first.
- Budget: It is reasonably priced, offering great value for the features provided. I found it affordable compared to other scientific calculators with similar functions.
- Durability: I read reviews about its build quality and found it to be sturdy enough for daily use.
Tips From My Experience
- Take some time to learn the function keys and practice with the manual or online tutorials. It helped me unlock the full potential of the calculator.
- Keep the protective cover on when not in use to avoid screen scratches.
- Use the solar power feature by working near a window or light source when possible to extend battery life.
Final Thoughts
Overall, the Casio Fx 115 Es Plus has been a dependable tool for me. It balances functionality, ease of use, and affordability perfectly. If you need a versatile scientific calculator, this one is definitely worth considering. I hope my insights make your buying decision easier!
Author Profile
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Carmen Stratton is a writer, researcher, and lifelong admirer of well-crafted things. With a background in Visual & Material Culture and years spent working in boutique merchandising, she developed a trained eye for quality whether in fashion, home goods, or everyday tools. Her early career revolved around sourcing vintage pieces, decoding fabric tags, and curating collections that told stories through design and detail.
Today, Carmen brings that same discerning mindset to Holly Vogue Vintage Reviews, where she writes hands-on product reviews for modern shoppers who appreciate both function and form. Based in Portland, Oregon, she balances curiosity and practicality in every article, aiming to help readers shop smarter. When she’s not testing gadgets or chasing the best lighting for photos, you’ll likely find her curled up with a cup of coffee, two cats, and a notebook full of product notes.
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