--- product_id: 748272634 title: "Mr. Pen- Mechanical Switch Calculator, 12 Digits, Large LCD Display, Blue Calculator Big Buttons, Mechanical Calculator, Calculators Desktop Calculator, Cute Calculator, Aesthetic Calculator Blue" brand: "mr. pen" price: "20 zł" currency: PLN in_stock: false url: https://www.desertcart.pl/products/748272634-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, Blue Calculator Big Buttons, Mechanical Calculator, Calculators Desktop Calculator, Cute Calculator, Aesthetic Calculator Blue **Brand:** mr. pen **Price:** 20 zł **Availability:** ❌ Out of Stock ## Summary > 🧮 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, Mechanical Calculator, Calculators Desktop Calculator, Cute Calculator, Aesthetic Calculator Blue by mr. pen - **How much does it cost?** 20 zł with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/748272634-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 - • **Space-Savvy Design:** Compact 6.2 x 4.4 inch footprint fits perfectly on any desk without clutter - • **Click with Confidence:** Mechanical switch buttons deliver tactile, satisfying feedback like a premium keyboard - • **Power Smart, Work Long:** Runs on a single AAA battery with auto shutdown to maximize battery life - • **Precision at Your Fingertips:** 12-digit large LCD display for flawless calculations every time - • **Versatile Everyday Essential:** Equipped with memory recall, percentage, and essential functions for office, school, or home ## Overview Mr. Pen Mechanical Switch Calculator combines a large 12-digit LCD display with tactile mechanical keys for precise, satisfying input. Its compact size and energy-efficient design with auto shutdown make it perfect for professionals and students alike, delivering reliable performance in any setting. ## Description Full description not available ## 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 | |---------------|-------| | Brand | Mr. Pen | | Manufacturer | Mr. Pen | | Model | WLCT001M313 | | Model Name | mechanical switch calculator | | Product Dimensions | 15.75 x 11.18 x 0.1 cm; 160 g | | Item model number | WLCT001M313 | | Number of items | 1 | | Display Type | LCD | | Power Source | Battery Powered | | Batteries Included | No | | Batteries Required | Yes | | Material | Plastic | | Does it contain liquid? | No | | Manufacturer | Mr. Pen | | Item Weight | 160 g | ## Product Details - **Brand:** Mr. Pen - **Colour:** Blue - **Power Source:** Battery Powered - **Model Name:** mechanical switch calculator - **Material:** Plastic ## Images ![Mr. Pen- Mechanical Switch Calculator, 12 Digits, Large LCD Display, Blue Calculator Big Buttons, Mechanical Calculator, Calculators Desktop Calculator, Cute Calculator, Aesthetic Calculator Blue - 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, Mechanical Calculator, Calculators Desktop Calculator, Cute Calculator, Aesthetic Calculator Blue - 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, Mechanical Calculator, Calculators Desktop Calculator, Cute Calculator, Aesthetic Calculator Blue - 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, Mechanical Calculator, Calculators Desktop Calculator, Cute Calculator, Aesthetic Calculator Blue - 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, Mechanical Calculator, Calculators Desktop Calculator, Cute Calculator, Aesthetic Calculator Blue - Image 5](https://m.media-amazon.com/images/I/71rXw1adXlL.jpg) ## 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.pl/products/748272634-mr-pen-mechanical-switch-calculator-12-digits-large-lcd-display](https://www.desertcart.pl/products/748272634-mr-pen-mechanical-switch-calculator-12-digits-large-lcd-display) --- *Product available on Desertcart Poland* *Store origin: PL* *Last updated: 2026-04-30*