--- product_id: 716666469 title: "Mr. Pen Mechanical Switch Calculator - 12 Digit Large LCD Display, Pink with Big Buttons, Back to School Supplies" brand: "mr. pen" price: "£3.39" currency: GBP in_stock: false reviews_count: 5 url: https://www.desertcart.co.uk/products/716666469-mr-pen-mechanical-switch-calculator-12-digit-large-lcd-display store_origin: GB region: United Kingdom --- # Big, sensitive mechanical keys Auto power-off to save battery 12-digit large LCD display Mr. Pen Mechanical Switch Calculator - 12 Digit Large LCD Display, Pink with Big Buttons, Back to School Supplies **Brand:** mr. pen **Price:** £3.39 **Availability:** ❌ Out of Stock ## Summary > 🖩 Crunch numbers like a pro with style and precision! ## Quick Answers - **What is this?** Mr. Pen Mechanical Switch Calculator - 12 Digit Large LCD Display, Pink with Big Buttons, Back to School Supplies by mr. pen - **How much does it cost?** £3.39 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/716666469-mr-pen-mechanical-switch-calculator-12-digit-large-lcd-display) ## 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 - • **Click & Calculate:** Mechanical switch keys provide tactile feedback for quick, satisfying data entry—no more missed presses. - • **Smart Power Saver:** Auto shut-off after 10 minutes keeps your AAA battery going longer, so you’re never caught powerless. - • **Compact Powerhouse:** Sleek 6.2 x 4.4 inch design fits perfectly on any desk or in your bag—calculation on the go made stylish. - • **Effortless Accuracy:** Large 12-digit LCD ensures every number is crystal clear, minimizing errors in fast-paced work. - • **Error-Proof Editing:** Backspace function lets you fix mistakes instantly without starting over—because time is money. ## Overview The Mr. Pen Mechanical Switch Calculator combines a large 12-digit LCD display with tactile mechanical keys for fast, accurate calculations. Its compact size and battery-saving auto power-off feature make it ideal for professionals, students, and anyone needing reliable, on-the-go number crunching. With a handy backspace function and easy-to-press big buttons, it’s designed to boost productivity and reduce errors in any setting. ## Description Product Description Calculator Review: Does it's job - It works fine but buttons are a bit cheaply made Review: MUY BONITA - LOS BOTONES SON GRANDES Y FACILES DE USAR, EL COLOR MUY BONITO. BUENA COMPRA, MUY FUNCIONAL ## Features - Mr. Pen 10-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. - It allows you to add, subtract, multiply, divide and even calculate percentages with a single press of the MU key. The backspace function ensures that you can easily revise any errors without having to start again completely. - 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 10-digit display, increasing its visibility from any angle. - This calculator runs on one AAA battery (not included), and to conserve battery life, it automatically switches off if not used for 10 minutes or more. - 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 | #64,702 in Office Products ( See Top 100 in Office Products ) #447 in Basic | | Brand | Mr. Pen | | Brand Name | Mr. Pen | | Calculator Type | Standard Function | | Colour | Pink | | Customer Reviews | 4.6 out of 5 stars 1,641 Reviews | | Display Type | LCD | | Enclosure Material | Plastic | | Item Dimensions L x W | 15.8L x 11.2W Centimeters | | 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 | | Screen Size Unit of Measure | 4.4 Inches | | UPC | 840316909471 | ## Product Details - **Brand:** Mr. Pen - **Colour:** Pink - **Calculator Type:** Standard Function - **Power Source:** Battery Powered - **Screen Size:** 4.4 Inches ## Images ![Mr. Pen Mechanical Switch Calculator - 12 Digit Large LCD Display, Pink with Big Buttons, Back to School Supplies - Image 1](https://m.media-amazon.com/images/I/81JikRw3uLL.jpg) ![Mr. Pen Mechanical Switch Calculator - 12 Digit Large LCD Display, Pink with Big Buttons, Back to School Supplies - Image 2](https://m.media-amazon.com/images/I/81RZXik-ZPL.jpg) ![Mr. Pen Mechanical Switch Calculator - 12 Digit Large LCD Display, Pink with Big Buttons, Back to School Supplies - Image 3](https://m.media-amazon.com/images/I/71oqTduvW2L.jpg) ![Mr. Pen Mechanical Switch Calculator - 12 Digit Large LCD Display, Pink with Big Buttons, Back to School Supplies - Image 4](https://m.media-amazon.com/images/I/81YGXKewnJL.jpg) ![Mr. Pen Mechanical Switch Calculator - 12 Digit Large LCD Display, Pink with Big Buttons, Back to School Supplies - Image 5](https://m.media-amazon.com/images/I/71rXw1adXlL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐ Does it's job *by A***H on 10 November 2024* It works fine but buttons are a bit cheaply made ### ⭐⭐⭐⭐⭐ MUY BONITA *by C***A on 11 December 2024* LOS BOTONES SON GRANDES Y FACILES DE USAR, EL COLOR MUY BONITO. BUENA COMPRA, MUY FUNCIONAL ### ⭐⭐⭐⭐⭐ 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. ## 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.co.uk/products/716666469-mr-pen-mechanical-switch-calculator-12-digit-large-lcd-display](https://www.desertcart.co.uk/products/716666469-mr-pen-mechanical-switch-calculator-12-digit-large-lcd-display) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-06-30*