--- product_id: 612366607 title: "Mr. Pen- Mechanical Switch Calculator, 12 Digits, Large LCD Display, Purple Calculator Big Buttons" brand: "mr. pen" price: "157 zł" currency: PLN in_stock: true reviews_count: 5 category: "Mr. Pen" url: https://www.desertcart.pl/products/612366607-mr-pen-mechanical-switch-calculator-12-digits-large-lcd-display store_origin: PL region: Poland --- # 10-min auto shutdown 12-digit precision Mechanical switch keys Mr. Pen- Mechanical Switch Calculator, 12 Digits, Large LCD Display, Purple Calculator Big Buttons **Brand:** mr. pen **Price:** 157 zł **Availability:** ✅ In Stock ## Summary > 🧮 Click, Calculate, Conquer – The Purple Powerhouse You Didn’t Know You Needed! ## Quick Answers - **What is this?** Mr. Pen- Mechanical Switch Calculator, 12 Digits, Large LCD Display, Purple Calculator Big Buttons by mr. pen - **How much does it cost?** 157 zł with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/612366607-mr-pen-mechanical-switch-calculator-12-digits-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 - • **Compact Powerhouse:** Slim 6.2 x 4.4 inch design fits effortlessly on any desk without sacrificing usability. - • **Smart Energy Saver:** Automatic shutdown after 10 minutes of inactivity extends battery life for uninterrupted productivity. - • **Click with Confidence:** Mechanical switch buttons deliver a tactile, satisfying click for faster, more accurate data entry. - • **Precision at Your Fingertips:** 12-digit large LCD display ensures every number is crystal clear, perfect for complex calculations. - • **Versatile Everyday Essential:** Equipped with memory recall and percentage functions, ideal for office, school, or home use. ## Overview Mr. Pen Mechanical Switch Calculator combines a large 12-digit display with responsive mechanical keys for precise, efficient calculations. Its compact size and energy-saving auto shutdown make it a reliable, stylish tool for professionals and students alike, delivering fast, accurate results in any setting. ## 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: La verdad que la calculadora es monísima y el sonido de la tecla me encanta, pero la tecla 3 se queda encallada muchas veces y queda hundida (es por eso que le quito una estrella), pero por lo demás perfecto! Review: Cute and I love the sound of the buttons Would buy again ## 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 | B0CMT6F6WZ | | Best Sellers Rank | #54,923 in Office Products ( See Top 100 in Office Products ) #196 in Basic Calculators | | Brand | Mr. Pen | | Color | Purple | | Customer Reviews | 4.5 4.5 out of 5 stars (673) | | Date First Available | 24 February 2024 | | Item Weight | 168 g | | Manufacturer | Mr. Pen | | Manufacturer Part Number | SYYH001M342VC | | Material Type | Plastic | | Model number | SYYH001M342VC | | Number of Items | 1 | | Product Dimensions | 15.75 x 11.18 x 0.1 cm; 168 g | ## Product Details - **Brand:** Mr. Pen - **Calculator Type:** Standard Function - **Colour:** Purple - **Model name:** mechanical switch calculator - **Power source:** Battery Powered ## Images ![Mr. Pen- Mechanical Switch Calculator, 12 Digits, Large LCD Display, Purple Calculator Big Buttons - Image 1](https://m.media-amazon.com/images/I/71Ar0-529qL.jpg) ![Mr. Pen- Mechanical Switch Calculator, 12 Digits, Large LCD Display, Purple Calculator Big Buttons - Image 2](https://m.media-amazon.com/images/I/81lbBFQdlXL.jpg) ![Mr. Pen- Mechanical Switch Calculator, 12 Digits, Large LCD Display, Purple Calculator Big Buttons - Image 3](https://m.media-amazon.com/images/I/71jPF6+wSFL.jpg) ![Mr. Pen- Mechanical Switch Calculator, 12 Digits, Large LCD Display, Purple Calculator Big Buttons - Image 4](https://m.media-amazon.com/images/I/81IOZBcg+KL.jpg) ![Mr. Pen- Mechanical Switch Calculator, 12 Digits, Large LCD Display, Purple Calculator Big Buttons - Image 5](https://m.media-amazon.com/images/I/810bBdECH7L.jpg) ## Available Options This product comes in different **Color** options. ## Customer Reviews ### ⭐⭐⭐⭐ Review *by M***Z on 9 February 2026* La verdad que la calculadora es monísima y el sonido de la tecla me encanta, pero la tecla 3 se queda encallada muchas veces y queda hundida (es por eso que le quito una estrella), pero por lo demás perfecto! ### ⭐⭐⭐⭐⭐ Review *by M***1 on 1 November 2025* Cute and I love the sound of the buttons Would buy again ### ⭐⭐⭐⭐⭐ Review *by J***J on 4 May 2025* Exceptionally practical and satisfyingly usable. Always get compliments for this very mechanical calculator of the mathematical means; of how splendid it appears. Worth every shilling present; Durable, button size well, easy to use. ## Frequently Bought Together - Mr. Pen Mechanical Switch Calculator - 12 Digits, Large LCD Display, Purple, Big Buttons - SKYDUE 360 Rotating Purple Pen & Art Supply Organizer - 5 Slot Desk Organizer for Office, School, Home - YSAGi Leather Desk Protector, Office Mat, Large Mouse Mat, Non-Slip PU Leather Blotter, Laptop Pad, Waterproof Writing Pad for Office and Home (Light Purple, 23.6" x 13.8") --- ## 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.pl/products/612366607-mr-pen-mechanical-switch-calculator-12-digits-large-lcd-display](https://www.desertcart.pl/products/612366607-mr-pen-mechanical-switch-calculator-12-digits-large-lcd-display) --- *Product available on Desertcart Poland* *Store origin: PL* *Last updated: 2026-04-26*