Mr. Pen Mechanical Switch Calculator - 12 Digit Large LCD Display, Pink with Big Buttons
Condition: New
Buy Now, Pay Later
As low as
$2
/ mo
Learn more
- – 4-month term
- – No impact on credit
- – Instant approval decision
- – Secure and straightforward checkout
Ready to go? Add this product to your cart and select a plan during checkout.
Payment plans are offered through our trusted finance partners Klarna, Affirm, Afterpay, Apple Pay, and PayTomorrow. No-credit-needed leasing options through Acima may also be available at checkout.
Learn more about financing & leasing here.
Selected Option
Free shipping on this product
30-day returns
Learn more
FREE 30-day refund/replacement
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
Availability:
In Stock.
Arrives
Wednesday, Mar 11
Color: Pink
Features
- Mr. Pen 12-digit calculator is perfect for completing basic numerical calculations, making it ideal for office, primary school, market, or even home use. It features big, sensitive keys that are easy to press down and offer quick data entry.
- The mechanical switch buttons offer a responsive and satisfying click with each press, similar to a mechanical keyboard, improving the overall user experience and precision of data entry. Equipped with essential functions like memory recall, percentage calculation, and more, it meets a variety of computational needs.
- Operating on just one AAA battery (not included), this calculator is designed with an automatic shutdown feature that activates after 10 minutes of inactivity, conserving battery life and ensuring longevity.
- Mr. Pen calculator is the perfect tool for quickly dealing with everyday calculation problems in various settings such as schools, offices, or even at home! It offers a fast, efficient, and user-friendly experience that makes it an ideal choice for anyone looking for a reliable calculator.
Brand: Mr. Pen
Color: Pink
Calculator Type: basic
Power Source: Battery Powered
Screen Size: 4.4 Inches
Product Dimensions: 6.2 x 4.4 x 0.04 inches
Item Weight: 5.8 ounces
Item model number: LTNT001M313
Batteries: 1 AAA batteries required.
Date First Available: April 18, 2023
Manufacturer: Mr. Pen
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Wednesday, Mar 11
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
- Klarna Financing
- Affirm Pay in 4
- Affirm Financing
- Afterpay Financing
- PayTomorrow Financing
- Financing through Apple Pay
Learn more about financing & leasing here.
Top Amazon Reviews
Color: Blue
I love my little calculator! I use it all the time, for work and personal. The large buttons make it easy to use, along with the large numbers on the screen. It is lightweight, easy to carry. The color is vibrant, so you cannot misplace it, it stands out.
Reviewed in the United States on January 11, 2026 by MD ORTIZ
Color: Pistachio
Love the thick, tall buttons that makes typing with accuracy much easier. It is super cute and my coworkers ask me about it because of its unique appearance. It seems like it's good quality. I do wish it was solar, but so far the batteries are lasting with occasional use.
Reviewed in the United States on December 14, 2025 by JMCW
Color: Blue
Love this calculator. It’s chunky enough that it sits well on the desk. Buttons are easy to read. I have a large calculator that runs a tape, and find myself using my phone or computer calculator often. This is the perfect middle man that will streamline simple calculations. It’s the perfect color and size that I can easily find it on my desk. Plus it’s cute.
...
show more
Reviewed in the United States on August 26, 2025 by Liam
Color: Pink
The media could not be loaded. Very cute and the buttons are hard. It is not solar powered it’s bather operated. It feels durable and easy to read and make calculations. It does thankfully turn off by itself too.
Reviewed in the United States on December 28, 2025 by Mocha._Kay
Color: Pink
I was in a hurry. So my issues are my own fault and I did not deduct stars for them. I am very picky. I do a lot of numbers crunching due to my home business. I got tired of using my phone's calculator or the computer calculator. So I turned to Amazon to find me a cute, clicky, large calculator that I could easily balance out all my stuff throughout the month. There were so many! I settled with this one because I have purchased items from this brand before and have always been happy. I liked the color shown in the photos. It matched my desk decor. And I liked someone's video showing how clicky the buttons are, which I love. - My issues. Things I didn't consider, which I should have. Closeness of the numbers, layout of the number buttons and other buttons. I should have paid attention to see if the layout was the same as a number pad, which is what I am used to. This is not. Some say what is the big deal? Well, I am so used to a regular number pad (computer) that I have become pretty fast with input. I saved a project for today when I got the calculator, and I found that the layout differences and the closeness of the buttons really hindered my ability to efficiently balance my monthly income. I had to one finger peck it rather thank use my 3 fingers like I am used to. If you don't hit the buttons all the way, the number won't register. I realized it is because the whole layout is off. Now, this is MY fault. Not the fault of the item. I should have thought about this before purchasing a calculator. I am not sure if I will keep it, my daughter may want it. But I will have to get something new and this time pay attention to the things I didn't think about the first time. - The negative that is not exactly the fault of anyone either is the color accuracy. I know well enough that the color of the item may not really match the color shown on screen. I ordered pink. The screen shows a nice bright pink. The item itself is more of a muted pinkish color, leaning more towards a purple. I tried to take a photo but of course it just doesn't show the difference accurately compared to the stock photo. - All in all, it is a cute calculator. It works and it I love the "00" button. I would recommend it for anyone who just needs a nice regular calculator!
...
show more
Reviewed in the United States on June 28, 2024 by KP
Color: Blue
I really like this calculator. It is super cute! I love the color, the size, the way the buttons feel and sound (especially if you are into ASMR). Happy with this purchase. And it even does the thing i hate the most--MATH.
Reviewed in the United States on November 13, 2025 by Jesse J. Kuhn
Color: Pastel Harmony
Buy from Mr. Pen. Great customer servicve, quick shipping & quality products. I love my calculator and its so cute. There was a handwritten note and stickers in the package!
Reviewed in the United States on January 8, 2026 by caylie chaney caylie chaney
Color: Pink
When the calculator first arrived it was great! Super cute and worked well, very easy to set up and use. Just add a battery and go! The buttons reminded me of a typewriter and even has a satisfying “click” for those that need a tactile feel when using a calculator. However, after about 8 weeks it turned off and did not turn on again. Changing the batteries did not help and the support page is centered around the printing calculator. Disappointed that I got such a short amount of use.
...
show more
Reviewed in the United States on October 23, 2025 by Ashley Ashley