--- product_id: 558706534 title: "Mr. Pen Mechanical Switch Calculator - 12-Digit Large LCD, Pink with Big Buttons, Back to School" brand: "mr. pen" price: "€ 22.42" currency: EUR in_stock: true reviews_count: 13 url: https://www.desertcart.sk/products/558706534-mr-pen-mechanical-switch-calculator-12-digit-large-lcd-pink store_origin: SK region: Slovakia --- # Mechanical switch buttons for tactile feedback Auto shutdown to save battery life 12-digit large LCD display Mr. Pen Mechanical Switch Calculator - 12-Digit Large LCD, Pink with Big Buttons, Back to School **Brand:** mr. pen **Price:** € 22.42 **Availability:** ✅ In Stock ## Summary > 🎯 Click, Calculate, Conquer – The Calculator That Means Business ## Quick Answers - **What is this?** Mr. Pen Mechanical Switch Calculator - 12-Digit Large LCD, Pink with Big Buttons, Back to School by mr. pen - **How much does it cost?** € 22.42 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/558706534-mr-pen-mechanical-switch-calculator-12-digit-large-lcd-pink) ## Best For - mr. pen enthusiasts ## Why This Product - Trusted mr. pen brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **See More, Do More:** Large 12-digit LCD screen ensures clear visibility from any angle, reducing errors. - • **Compact Powerhouse:** Slim 6.2 x 4.4 inch design fits perfectly on any desk without clutter. - • **Smart Energy Saver:** Automatic shutdown after 10 minutes extends battery life for uninterrupted use. - • **All-in-One Functionality:** Includes memory recall, percentage, and essential functions for versatile calculations. - • **Precision at Your Fingertips:** Mechanical switch keys deliver a satisfying click for accurate, fast data entry. ## Overview The Mr. Pen Mechanical Switch Calculator combines a large 12-digit LCD display with tactile mechanical keys for a premium user experience. Its compact size and energy-saving auto shutdown make it perfect for professionals and students alike, delivering reliable, precise calculations wherever you need them. ## Description 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.Mr. Pen calculator is portable and small in size at 6.2 x 4.4 inches, so it doesn't take up much desk space but is still comfortably sized for easy usage. It also has a large 12-digit display, increasing its visibility from any angle.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. Review: Great mechanical calculator - Works really well when doing accounting. Easy touch mechanical buttons, accurate when working quickly. Great value. Review: Chunky calculator - Lovely chunky button. ## 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. - Mr. Pen calculator is portable and small in size at 6.2 x 4.4 inches, so it doesn't take up much desk space but is still comfortably sized for easy usage. It also has a large 12-digit display, increasing its visibility from any angle. - 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. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0C2XQBD8B | | Best Sellers Rank | 33,160 in Stationery & Office Supplies ( See Top 100 in Stationery & Office Supplies ) 60 in Basic Calculators | | Brand Name | Mr. Pen | | Calculator Type | basic | | Colour | Pink | | Country of Origin | China | | Customer Reviews | 4.5 4.5 out of 5 stars (2,771) | | Display Type | LCD | | Enclosure Material | Plastic | | Item Dimensions L x W | 15.8L x 11.2W centimetres | | Manufacturer | Mr. Pen | | Manufacturer Part Number | LTNT001M313 | | Model Name | mechanical switch calculator | | Model Number | LTNT001M313 | | Number of Batteries | 1 AAA batteries required. | | Power Source | Battery Powered | | Screen Size | 4.4 Inches | | UPC | 840316909471 | | Unit Count | 1.0 count | ## Product Details - **Brand:** Mr. Pen - **Calculator Type:** basic - **Colour:** Pink - **Display type:** LCD - **Material:** Plastic - **Model name:** mechanical switch calculator - **Number of batteries:** 1 AAA batteries required. - **Power source:** Battery Powered - **Product dimensions:** 15.8L x 11.2W centimetres - **Screen size:** 4.4 Inches ## Images ![Mr. Pen Mechanical Switch Calculator - 12-Digit Large LCD, Pink with Big Buttons, Back to School - Image 1](https://m.media-amazon.com/images/I/81JikRw3uLL.jpg) ![Mr. Pen Mechanical Switch Calculator - 12-Digit Large LCD, Pink with Big Buttons, Back to School - Image 2](https://m.media-amazon.com/images/I/81RZXik-ZPL.jpg) ![Mr. Pen Mechanical Switch Calculator - 12-Digit Large LCD, Pink with Big Buttons, Back to School - Image 3](https://m.media-amazon.com/images/I/71oqTduvW2L.jpg) ![Mr. Pen Mechanical Switch Calculator - 12-Digit Large LCD, Pink with Big Buttons, Back to School - Image 4](https://m.media-amazon.com/images/I/81YGXKewnJL.jpg) ![Mr. Pen Mechanical Switch Calculator - 12-Digit Large LCD, Pink with Big Buttons, Back to School - Image 5](https://m.media-amazon.com/images/I/71rXw1adXlL.jpg) ## Available Options This product comes in different **Color** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great mechanical calculator *by M***. on 27 April 2026* Works really well when doing accounting. Easy touch mechanical buttons, accurate when working quickly. Great value. ### ⭐⭐⭐⭐⭐ Chunky calculator *by D***E on 23 March 2026* Lovely chunky button. ### ⭐⭐⭐⭐⭐ Has all the necessary functions readily to hand *by A***R on 26 December 2025* Fun to look at and easy to use, has all the mainstream buttons/functions Nice positive feel when you press the buttons. Only thing missing is solar as a backup power source. Recommended. ## Frequently Bought Together - Mr. Pen Mechanical Switch Calculator - 12 Digit Large LCD Display, Pink with Big Buttons - Office Mousepad with Gel Wrist Support - Ergonomic Gaming Desktop Mouse Pad Wrist Rest - Design Gamepad Mat Rubber Base for Laptop Computer -Silicone Non-Slip Special-Textured Surface (01Pink) - Der Rose Set of 2 Succulents Plants Artificial Mini Fake Succulents Plants for Office Desk Accessories for Women Pink Home Decor --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sk/products/558706534-mr-pen-mechanical-switch-calculator-12-digit-large-lcd-pink](https://www.desertcart.sk/products/558706534-mr-pen-mechanical-switch-calculator-12-digit-large-lcd-pink) --- *Product available on Desertcart Slovakia* *Store origin: SK* *Last updated: 2026-05-09*