--- product_id: 552717842 title: "Mr. Pen- Mechanical Switch Calculator, 12 Digit Large LCD Display, Blue with Big Buttons, Mechanical Switch Calculator for Home, School, Office" brand: "mr. pen" price: "€ 25.48" currency: EUR in_stock: true reviews_count: 13 category: "Mr. Pen" url: https://www.desertcart.es/products/552717842-mr-pen-mechanical-switch-calculator-12-digit-large-lcd-display store_origin: ES region: Spain --- # Compact 6.2 x 4.4 inches 12-digit precision Mechanical switch keys Mr. Pen- Mechanical Switch Calculator, 12 Digit Large LCD Display, Blue with Big Buttons, Mechanical Switch Calculator for Home, School, Office **Brand:** mr. pen **Price:** € 25.48 **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 Display, Blue with Big Buttons, Mechanical Switch Calculator for Home, School, Office by mr. pen - **How much does it cost?** € 25.48 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.es](https://www.desertcart.es/products/552717842-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 - • **Desk-Smart Design:** Compact yet comfortably sized at 6.2 x 4.4 inches, it fits perfectly on any desk without cluttering your workspace. - • **Click with Confidence:** Mechanical switch buttons deliver a tactile, satisfying click for fast and accurate data entry—no more missed keystrokes. - • **Power-Savvy Performance:** Runs on a single AAA battery with an automatic 10-minute shutdown to maximize battery life and reliability. - • **Versatile & User-Friendly:** Equipped with essential functions like memory recall and percentage calculations, ideal for office, school, or home budgeting. - • **Precision at Your Fingertips:** 12-digit large LCD display ensures every number is crystal clear, reducing errors in your calculations. ## Overview Mr. Pen Mechanical Switch Calculator combines a large 12-digit LCD display with tactile mechanical keys for precise, efficient calculations. Its compact size and power-saving features make it perfect for professionals and students alike, delivering reliable performance in any setting. ## Description Product description Mr. Pen Calculators Calculator Review: Very nice! - Yes I am a 63 y.o. who loves a calculator designed for a third grader. Love the large buttons with a satisfying click, the overall size, large numbers, swift calculating, the cool teal color, and auto shutoff. Looks cute on my desk at work. Thank you! Review: Cute+Quality = happy customer - Large/comfortable sized buttons, gorgeous color and overall great quality. Appropriately priced with easy to read numbers. This calculator is not solar-powered, it requires one AAA Battery. I'm extremely happy with this purchase and even appreciate the little "thank you note" from the seller! ## 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, rising 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 | B0C2Y24N2C | | Best Sellers Rank | #378 in Office Products ( See Top 100 in Office Products ) #2 in Basic Office Calculators | | Brand | Mr. Pen | | Calculator Type | Standard Function | | Color | Blue | | Compatible Devices | Most devices with a standard calculator function, including computers, laptops, and smartphones | | Customer Reviews | 4.5 out of 5 stars 3,126 Reviews | | Display Type | LCD | | Enclosure Material | Plastic | | Item Dimensions L x W | 6.2"L x 4.4"W | | Manufacturer | Mr. Pen | | Mfr Part Number | WLCT001M313 | | Model Name | mechanical switch calculator | | Model Number | WLCT001M313 | | Power Source | Battery Powered | | Screen Size | 4.4 Inches | | UPC | 840316909518 | ## Product Details - **Brand:** Mr. Pen - **Calculator Type:** Standard Function - **Color:** Blue - **Model Name:** mechanical switch calculator - **Power Source:** Battery Powered ## Images ![Mr. Pen- Mechanical Switch Calculator, 12 Digit Large LCD Display, Blue with Big Buttons, Mechanical Switch Calculator for Home, School, Office - Image 1](https://m.media-amazon.com/images/I/81C3M-f93cL.jpg) ![Mr. Pen- Mechanical Switch Calculator, 12 Digit Large LCD Display, Blue with Big Buttons, Mechanical Switch Calculator for Home, School, Office - Image 2](https://m.media-amazon.com/images/I/81+61dygBXL.jpg) ![Mr. Pen- Mechanical Switch Calculator, 12 Digit Large LCD Display, Blue with Big Buttons, Mechanical Switch Calculator for Home, School, Office - Image 3](https://m.media-amazon.com/images/I/71lYFktSckL.jpg) ![Mr. Pen- Mechanical Switch Calculator, 12 Digit Large LCD Display, Blue with Big Buttons, Mechanical Switch Calculator for Home, School, Office - Image 4](https://m.media-amazon.com/images/I/81KbxJ7ThjL.jpg) ![Mr. Pen- Mechanical Switch Calculator, 12 Digit Large LCD Display, Blue with Big Buttons, Mechanical Switch Calculator for Home, School, Office - Image 5](https://m.media-amazon.com/images/I/71rXw1adXlL.jpg) ## Available Options This product comes in different **Color** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Very nice! *by J***N on April 17, 2026* Yes I am a 63 y.o. who loves a calculator designed for a third grader. Love the large buttons with a satisfying click, the overall size, large numbers, swift calculating, the cool teal color, and auto shutoff. Looks cute on my desk at work. Thank you! ### ⭐⭐⭐⭐⭐ Cute+Quality = happy customer *by Q***E on April 20, 2026* Large/comfortable sized buttons, gorgeous color and overall great quality. Appropriately priced with easy to read numbers. This calculator is not solar-powered, it requires one AAA Battery. I'm extremely happy with this purchase and even appreciate the little "thank you note" from the seller! ### ⭐⭐⭐⭐⭐ Fun Calculator *by A***A on April 19, 2026* So cute! I love this color and will be using this for my studying. Reminder that you will need a battery. Very lightweight too. It is a perfect size. So easy to use. ## Frequently Bought Together - Mr. Pen- Mechanical Switch Calculator, 12 Digits, Large LCD Display, Blue Calculator Big Buttons, Mechanical Calculator, Calculators Desktop Calculator, Cute Calculator, Aesthetic Calculator Blue - Linbsunne Ballpoint Pens Black Medium Point 1mm Pen with Super Soft Grip Ball Point Pen for Men Women Retractable Pens (gold-12 pcs) --- ## 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.es/products/552717842-mr-pen-mechanical-switch-calculator-12-digit-large-lcd-display](https://www.desertcart.es/products/552717842-mr-pen-mechanical-switch-calculator-12-digit-large-lcd-display) --- *Product available on Desertcart Spain* *Store origin: ES* *Last updated: 2026-05-31*