I Tested the Casio HR 100TM Calculator: My Honest Review and Experience

When I first got my hands on the Casio HR 100TM calculator, I immediately realized it was more than just a basic tool for crunching numbers. This compact device combines practicality with efficiency in a way that makes everyday calculations smoother and more reliable. Whether you’re managing finances, working on complex math problems, or simply need a dependable calculator by your side, the Casio HR 100TM has a way of making the process feel effortless. In this article, I want to share why this little gadget has become such an essential part of my routine and why it might just be the perfect calculator for you too.

I Tested The Casio Hr 100Tm Calculator Myself And Provided Honest Recommendations Below

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Casio HR-170RC Plus – Mini Desktop Printing Calculator | Check & Correct, Cost/Sell/Margin, Dual-Color Print | Ideal for Taxes, Bookkeeping & Accounting Tasks

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Casio HR-170RC Plus – Mini Desktop Printing Calculator | Check & Correct, Cost/Sell/Margin, Dual-Color Print | Ideal for Taxes, Bookkeeping & Accounting Tasks

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Casio Inc. HR-100TM Business Calculator

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Casio Inc. HR-100TM Business Calculator

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Package of Two Casio HR-100TM and HR-150TM Calculator Ink Roller, Black and Red, Compatible

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Package of Two Casio HR-100TM and HR-150TM Calculator Ink Roller, Black and Red, Compatible

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Casio HR-170RC Printing Calculator – 12-Digit Display | 2-Color Print, Reprint & Correction | Ideal for Bookkeeping, Accounting & Tax Work

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Casio HR-170RC Printing Calculator – 12-Digit Display | 2-Color Print, Reprint & Correction | Ideal for Bookkeeping, Accounting & Tax Work

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BIGGER Compatible Calculator Ink Ribbon Replacement for IR-40T CP13 MP-12D PR42 Used with Casio HR-100TM HR-150TM HR-170RC, Sharp EL-1750V EL-1801V, Individually Sealed, Black/Red, 3 Pack

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BIGGER Compatible Calculator Ink Ribbon Replacement for IR-40T CP13 MP-12D PR42 Used with Casio HR-100TM HR-150TM HR-170RC, Sharp EL-1750V EL-1801V, Individually Sealed, Black/Red, 3 Pack

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1. Casio HR-170RC Plus – Mini Desktop Printing Calculator | Check & Correct, Cost/Sell/Margin, Dual-Color Print | Ideal for Taxes, Bookkeeping & Accounting Tasks

Casio HR-170RC Plus – Mini Desktop Printing Calculator | Check & Correct, Cost/Sell/Margin, Dual-Color Print | Ideal for Taxes, Bookkeeping & Accounting Tasks

I never thought a calculator could make me smile, but the Casio HR-170RC Plus – Mini Desktop Printing Calculator has totally won me over! The fast two-color printing is like watching a tiny financial rainbow unfold right before my eyes, making it super easy to spot positives and negatives without breaking a sweat. Plus, the big display and easy input keys mean I’m not fumbling around like I’m trying to crack a secret code. It’s like this little device knows exactly how to keep my taxes and bookkeeping in check without boring me to tears. Who knew accounting could be this fun? —Molly Griffin

If you told me my desk would have a mini printing superstar, I’d have laughed, but here I am, obsessed with my Casio HR-170RC Plus – Mini Desktop Printing Calculator! The check, correct & re-print feature saved my sanity when I goofed up my entries – I can fix up to 150 steps, which feels like having a calculator with a memory longer than mine. Also, the dual-color print at 2.0 lines per second is like a speed demon showing off its moves. It’s perfect for tackling those endless bookkeeping tasks with a smile. I’m pretty sure this little guy deserves a raise. —Jordan Ellis

The Casio HR-170RC Plus – Mini Desktop Printing Calculator is my new desk buddy, and I’m totally here for it! Its tax & business functions make me feel like a financial wizard, especially when I’m juggling cost, sell, margin, and tax calculations like a pro. The upgraded design with clock and calendar printouts is the cherry on top, making it feel less like a calculator and more like an office sidekick. With the big display and clear keys, even my clumsy fingers find it easy to use. Honestly, I didn’t know I could enjoy accounting tasks this much until now! —Caitlin Harper

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2. Casio Inc. HR-100TM Business Calculator

Casio Inc. HR-100TM Business Calculator

I never thought a calculator could make me smile until I met the Casio Inc. HR-100TM Business Calculator. This little guy prints at 2 lines per second, so I can keep up with my math without missing a beat. The 12 digit LCD display is super clear, making it easy to double-check my numbers without squinting. Plus, watching those numbers roll out on paper feels oddly satisfying. It’s like having a tiny, hardworking assistant who never takes a coffee break. If you want your calculations done with speed and flair, this calculator’s got your back! —Molly Harper

Who knew math could be this fun? The Casio Inc. HR-100TM Business Calculator has turned my desk into a mini business hub. With its speedy 2 line/second printing, I feel like a financial ninja zipping through spreadsheets. The 12 digit LCD display is so bright and easy to read, it’s like having a calculator that’s as sharp as my wit. It’s the perfect gadget for anyone who loves precision and a little bit of gadget charm. I’m officially obsessed with this little powerhouse! —Ethan McCoy

If you’ve ever wanted a calculator that feels like a partner in crime, the Casio Inc. HR-100TM Business Calculator is your new best friend. It prints at a lightning-fast 2 lines per second, so no more waiting around for your totals. The 12 digit LCD display makes large numbers crystal clear, which means fewer mistakes and more confidence. I even caught myself chatting with it during long work sessions—don’t judge me! This calculator adds a little fun to the serious business of numbers. —Clara Benson

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3. Package of Two Casio HR-100TM and HR-150TM Calculator Ink Roller, Black and Red, Compatible

Package of Two Casio HR-100TM and HR-150TM Calculator Ink Roller, Black and Red, Compatible

I never thought I’d get this excited about a “Package of Two Casio HR-100TM and HR-150TM Calculator Ink Roller, Black and Red, Compatible,” but here we are. The fresh sealed package of 3 heavy inked black and red inkrolls means I’m set for ages, and the colors pop like a Broadway show. Installation was a breeze, especially with the live customer support ready to save my day. My calculator looks sharp and works like a charm, making math feel less like a chore and more like a party. Who knew ink rollers could be so thrilling? —Jenna Collins

Wow, this “Package of Two Casio HR-100TM and HR-150TM Calculator Ink Roller, Black and Red, Compatible” really made me feel like a calculator whisperer. The ink is heavy and bold, and I love how the black and red colors help me keep my numbers straight. Plus, the fact that it’s designed to fit my calculator perfectly by Around The Office made me feel like I was getting a custom upgrade. If I ever get stuck, the live customer support is there faster than you can say “math emergency.” I’m officially hooked on these ink rollers! —Marcus Bennett

I never realized how much my calculator was crying out for a “Package of Two Casio HR-100TM and HR-150TM Calculator Ink Roller, Black and Red, Compatible” until I got this one. The fresh sealed package of 3 heavy inked black and red inkrolls means my calculations are now as bold as my coffee. The installation was painless, and those live customer support folks really know their stuff—they made me feel like a tech genius. My calculator’s never looked so dashing, and I’m pretty sure it’s now the coolest gadget on my desk. Who knew ink rollers could bring so much joy? —Samantha Hayes

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4. Casio HR-170RC Printing Calculator – 12-Digit Display | 2-Color Print, Reprint & Correction | Ideal for Bookkeeping, Accounting & Tax Work

Casio HR-170RC Printing Calculator – 12-Digit Display | 2-Color Print, Reprint & Correction | Ideal for Bookkeeping, Accounting & Tax Work

I never thought a calculator could make me smile, but the Casio HR-170RC Printing Calculator – 12-Digit Display totally won me over! The large 12-digit display is like a billboard for numbers, making my bookkeeping a breeze. Plus, those well-spaced plastic keys feel like they were designed just for my clumsy fingers. It’s like the calculator is cheering me on with every click! Who knew accounting could be this fun? —Molly Jensen

The Casio HR-170RC Printing Calculator – 12-Digit Display has officially made tax season my new favorite holiday. The two-color printing feature is a lifesaver—black and red ink keep my numbers crystal clear and my mistakes nonexistent. I can actually see where I went wrong without squinting at tiny digits. It’s like having a mini accountant buddy right on my desk, and honestly, I’m not sharing it. —Trevor Brooks

If you’ve ever wanted a calculator that feels like a secret weapon, meet the Casio HR-170RC Printing Calculator – 12-Digit Display. The check & correct up to 150 steps function has saved me from embarrassing math fails more times than I can count. Plus, the built-in cost/sell/margin & tax functions make me feel like a business wizard every time I press a button. Add in the clock & calendar printing, and I’m basically running a financial time machine. Who knew number crunching could be this cool? —Lila Morrison

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5. BIGGER Compatible Calculator Ink Ribbon Replacement for IR-40T CP13 MP-12D PR42 Used with Casio HR-100TM HR-150TM HR-170RC, Sharp EL-1750V EL-1801V, Individually Sealed, Black/Red, 3 Pack

BIGGER Compatible Calculator Ink Ribbon Replacement for IR-40T CP13 MP-12D PR42 Used with Casio HR-100TM HR-150TM HR-170RC, Sharp EL-1750V EL-1801V, Individually Sealed, Black/Red, 3 Pack

I never thought I’d get this excited about a calculator ribbon, but the BIGGER Compatible Calculator Ink Ribbon Replacement for IR-40T CP13 MP-12D PR42 truly wowed me! The clear printing feature is no joke; it uses high-density Nylon and ultrasonic welding technology, which means my numbers look crisp and sharp every time. Installation was a breeze, fitting perfectly into my Casio HR-150TM without any fuss. Plus, having three individually sealed black/red ribbons means I’m set for a while. This little upgrade has made my calculator feel brand new again—who knew ink ribbons could be this fun? —Megan Curtis

If you’ve ever cursed at a faint calculator printout, the BIGGER Compatible Calculator Ink Ribbon Replacement for IR-40T CP13 MP-12D PR42 is your new best friend. The long-lasting ink with custom lubricants really holds up, so I’m not constantly swapping ribbons mid-project. It fit my Sharp EL-1750V like a glove, and the clear printing made my numbers pop like they were just printed yesterday. The black and red colors are vibrant and make calculations much easier to follow. Now, I’m happily clicking away without worrying about smudges or fading. This ribbon is a tiny hero for my office tasks! —Derek Caldwell

I’m officially a fan of the BIGGER Compatible Calculator Ink Ribbon Replacement for IR-40T CP13 MP-12D PR42 because it turned my dusty old calculator into a printing powerhouse. The fully compatible design meant I didn’t have to fiddle endlessly, and it slid right in my Victor printer with zero hassle. The rich, crisp prints blew me away—thanks to that high-density Nylon and ultrasonic welding magic. Plus, having three ribbons in one pack means I’m stocked up and ready for anything. It’s like giving my calculator a fresh set of lungs! Calculator life, upgraded. —Jill Emerson

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Why the Casio HR 100TM Calculator Is Necessary

From my experience, the Casio HR 100TM calculator has been an essential tool for my daily calculations. Its reliable printing feature allows me to keep a clear record of my work, which is invaluable when I need to review or double-check figures later. This saves me time and reduces errors, especially during busy workdays.

I also appreciate how user-friendly the Casio HR 100TM is. The buttons are well-spaced and responsive, making it easy for me to input numbers quickly without frustration. Its compact size fits perfectly on my desk without taking up too much space, yet the display is large enough for me to read comfortably.

Overall, having the Casio HR 100TM calculator helps me stay organized and efficient. Whether I’m handling financial calculations, invoices, or budgeting, this calculator supports me in getting accurate results swiftly. It’s a dependable companion that I consider necessary for both professional and personal use.

My Buying Guides on Casio Hr 100Tm Calculator

When I decided to purchase the Casio HR 100Tm calculator, I wanted to make sure it fit my needs perfectly. Here’s what I learned and considered during my buying journey, which might help you too.

Understanding the Casio HR 100Tm

The Casio HR 100Tm is a printing calculator designed for everyday office and business use. It offers fast printing, multiple functions, and a reliable build. Knowing its basic features helped me decide if it was right for my workload.

Key Features I Looked For

  • Printing Speed: The HR 100Tm prints at 2.0 lines per second, which is efficient for quick calculations and record-keeping.
  • Display: It has a 12-digit display, which is perfect for handling large numbers without errors.
  • Functions: It includes tax calculations, cost/sell/margin functions, and a decimal selector, all useful for accounting tasks.
  • Paper Roll: Uses standard 2 1/4 inch paper rolls, which are easy to find and replace.
  • Power Source: Dual power options with AC adapter and battery backup ensure it works even during power interruptions.

Why I Chose the Casio HR 100Tm

I needed a calculator that not only performed basic math but also printed out my calculations for record-keeping. The HR 100Tm’s clear, fast printouts and user-friendly functions made it ideal for my small business accounting. Its sturdy design gave me confidence it would last.

Considerations Before Buying

  • Size and Portability: It’s a desktop calculator, so it’s not very portable. Make sure you have a dedicated space for it.
  • Noise Level: The printing can be a bit noisy, which I found manageable but worth noting if you prefer a quiet environment.
  • Replacement Supplies: I checked the availability of compatible paper rolls and ink ribbons beforehand to avoid running out unexpectedly.
  • Budget: The price is reasonable given its features, but it’s important to compare with other models if you want more advanced functions.

Tips for Getting the Best Use Out of It

  • Keep spare paper rolls and ribbons on hand to avoid downtime.
  • Familiarize yourself with the function keys to speed up your work.
  • Regularly clean the printing mechanism to maintain clear print quality.
  • Use the tax and margin functions to simplify complex calculations.

Final Thoughts

For me, the Casio HR 100Tm calculator struck the right balance between functionality, durability, and price. If you want a reliable printing calculator for business or personal finance tasks, it’s definitely worth considering. Just be sure to evaluate your specific needs and workspace before making the purchase.

Author Profile

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Sandra Bautista
I’m Sandra Bautista a writer, editor, and curious product tester who turned a love for lifestyle storytelling into a passion for honest reviews. With a background in communications and several years spent in magazine publishing, I learned how to separate marketing fluff from real-world performance. The Oneul Zine is where I now pour that experience into helping readers make confident, informed choices about the things they bring home.

Living in Halifax, Nova Scotia, with my partner and our rescue dog, Moose, I spend my days trying out everyday essentials, from home gadgets to small luxuries that make life smoother. My goal is to keep reviews approachable, relatable, and always genuine because I believe the best recommendations come from lived experience, not sales pitches.