--- product_id: 574800718 title: "Mr. Pen- Mechanical Switch Calculator, 12 Digits, Large LCD Display, Blue Calculator Big Buttons" brand: "mr. pen" price: "150 zΕ‚" currency: PLN in_stock: true category: "Mr. Pen" url: https://www.desertcart.pl/products/574800718-mr-pen-mechanical-switch-calculator-12-digits-large-lcd-display store_origin: PL region: Poland --- # 12-digit precision Vibrant blue standout Mechanical switch keys Mr. Pen- Mechanical Switch Calculator, 12 Digits, Large LCD Display, Blue Calculator Big Buttons **Brand:** mr. pen **Price:** 150 zΕ‚ **Availability:** βœ… In Stock ## Summary > πŸ”΅ Click, Calculate, Conquer – The Calculator That Means Business ## Quick Answers - **What is this?** Mr. Pen- Mechanical Switch Calculator, 12 Digits, Large LCD Display, Blue Calculator Big Buttons by mr. pen - **How much does it cost?** 150 zΕ‚ 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/574800718-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 - β€’ **Compact Powerhouse:** Slim, lightweight design (6.2 x 4.4 inches) fits perfectly on any desk or in your bag for on-the-go productivity. - β€’ **Smart Energy Saver:** Automatic shutdown after 10 minutes of inactivity maximizes battery life, so you’re never caught powerless. - β€’ **Effortless Accuracy:** Mechanical switch buttons deliver a tactile, satisfying click for precise, error-free input every time. - β€’ **Crystal Clear Display:** Large 12-digit LCD screen offers excellent visibility from any angle, reducing eye strain during long tasks. - β€’ **Big Buttons, Big Impact:** Oversized, sensitive keys ensure fast data entry without the frustration of missed presses. ## Overview Mr. Pen Mechanical Switch Calculator combines a large 12-digit display with tactile mechanical keys and a compact design, delivering fast, accurate calculations in a vibrant blue package. Perfect for professionals and students alike, it features essential functions like memory recall and percentage calculations, runs on a single AAA battery with smart auto-shutdown, and fits seamlessly into any workspace or bag. ## 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. ## 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 | #37,418 in Office Products ( See Top 100 in Office Products ) #129 in Basic 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 4.5 out of 5 stars (1,985) | | Display Type | LCD | | Enclosure Material | Plastic | | Item Dimensions L x W | 15.7L x 11.2W centimeters | | Manufacturer | Mr. Pen | | Mfr Part Number | WLCT001M313 | | Model Name | mechanical switch calculator | | Model Number | WLCT001M313 | | Power Source | Battery Powered | | UPC | 840316909518 | ## Product Details - **Brand:** Mr. Pen - **Calculator Type:** Standard Function - **Colour:** Blue - **Model name:** mechanical switch calculator - **Power source:** Battery Powered ## Images ![Mr. Pen- Mechanical Switch Calculator, 12 Digits, Large LCD Display, Blue Calculator Big Buttons - Image 1](https://m.media-amazon.com/images/I/81C3M-f93cL.jpg) ![Mr. Pen- Mechanical Switch Calculator, 12 Digits, Large LCD Display, Blue Calculator Big Buttons - Image 2](https://m.media-amazon.com/images/I/81+61dygBXL.jpg) ![Mr. Pen- Mechanical Switch Calculator, 12 Digits, Large LCD Display, Blue Calculator Big Buttons - Image 3](https://m.media-amazon.com/images/I/71lYFktSckL.jpg) ![Mr. Pen- Mechanical Switch Calculator, 12 Digits, Large LCD Display, Blue Calculator Big Buttons - Image 4](https://m.media-amazon.com/images/I/81KbxJ7ThjL.jpg) ![Mr. Pen- Mechanical Switch Calculator, 12 Digits, Large LCD Display, Blue Calculator Big Buttons - Image 5](https://m.media-amazon.com/images/I/71rXw1adXlL.jpg) ## Available Options This product comes in different **Color** options. ## 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? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pl/products/574800718-mr-pen-mechanical-switch-calculator-12-digits-large-lcd-display](https://www.desertcart.pl/products/574800718-mr-pen-mechanical-switch-calculator-12-digits-large-lcd-display) --- *Product available on Desertcart Poland* *Store origin: PL* *Last updated: 2026-05-03*