--- product_id: 699880247 title: "Mr. Pen- Mechanical Switch Calculator, 12 Digit Large LCD Display" brand: "mr. pen" price: "SAR 79" currency: SAR in_stock: true reviews_count: 13 category: "Mr. Pen" url: https://www.desertcart.com.sa/products/699880247-mr-pen-mechanical-switch-calculator-12-digit-large-lcd-display store_origin: SA region: Saudi Arabia --- # Colorful mechanical keys Large LCD display 12-digit precision Mr. Pen- Mechanical Switch Calculator, 12 Digit Large LCD Display **Brand:** mr. pen **Price:** SAR 79 **Availability:** ✅ In Stock ## Summary > 🧮 Click, Calculate, Conquer – Make every number count! ## Quick Answers - **What is this?** Mr. Pen- Mechanical Switch Calculator, 12 Digit Large LCD Display by mr. pen - **How much does it cost?** SAR 79 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.sa](https://www.desertcart.com.sa/products/699880247-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 - • **Portable Powerhouse:** Lightweight design powered by a single AAA battery with smart auto-shutdown to save energy. - • **Tactile Satisfaction:** Mechanical switch keys with vibrant colors provide a satisfying click and sensory delight. - • **Visual Clarity, Always:** Oversized LCD screen delivers crystal-clear numbers for quick, error-free reading. - • **Versatile for Every Setting:** Perfectly suited for professionals, students, and anyone who values style and function. - • **Precision at Your Fingertips:** 12-digit display ensures flawless calculations every time. ## Overview The Mr. Pen Mechanical Switch Calculator combines a 12-digit large LCD display with tactile mechanical keys in a stylish khaki cream design. Lightweight and portable, it runs on a single AAA battery with an automatic shutdown feature to extend battery life. Ideal for professionals and students alike, it offers precision, clarity, and sensory-friendly usability backed by a lifetime warranty. ## Description desertcart.com : Mr. Pen- Mechanical Switch Calculator, 12 Digit Large LCD Display | Khaki Cream with Big Buttons, Mechanical Switch Calculator for Home, School, Office : Office Products Review: Great basic calculator and great for my sensory child's needs. - I purchased this for my autistic child. He loves it! He loves the slight sounds the calculator makes when he presses the keys. He loves the color and the size. He has enjoyed using this since he got it, school starts next week and so he will have something he likes and needs. Hard to sometimes meet his sensory needs and basic school needs all in one item. The keys are big, stand out and that is a plus. Review: Great calculator and easy to use! - I really like this MR. PEN mechanical switch calculator. The 12-digit display is clear and easy to read, and the buttons are comfortable to press. also it uses AAA batteries, which are easy to replace. It’s simple, practical, and works great for everyday calculations. Definitely worth it! ## Features - Mr. Pen mechanical switch calculator is equipped with 12 digits, making it ideal for handling calculations with precision and ease. - It features a large LCD display that provides clear and easy-to-read numbers, ensuring accurate inputs and outputs at a glance. - Designed with mechanical switches and round, colorful keys, this calculator offers a satisfying tactile feel and an eye-catching aesthetic. - Perfect for both professionals and students, it’s lightweight and portable, making it suitable for use at home, school, or the office. - 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. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0DFD56QTX | | Best Sellers Rank | #235 in Office Products ( See Top 100 in Office Products ) #2 in Basic Office Calculators | | Brand | Mr. Pen | | Calculator Type | Standard Function | | Color | Khaki Cream | | Customer Reviews | 4.5 out of 5 stars 3,689 Reviews | | Display Type | LCD | | Enclosure Material | Plastic | | Item Dimensions L x W | 6.2"L x 4.4"W | | Item Highlight | Khaki Cream with Big Buttons, Mechanical Switch Calculator for Home, School, Office | | Manufacturer | Mr. Pen | | Mfr Part Number | JZRT001M430VC | | Model Name | JZRT001M430VC | | Model Number | JZRT001M430VC | | Number of Batteries | 1 AAA batteries required. | | Number of Items | 1 | | Number of Packs | 1 | | Power Source | Battery Powered | | UPC | 840316965194 | | Unit Count | 1 Count | | Warranty Description | Life-Time | ## Product Details - **Brand:** Mr. Pen - **Calculator Type:** Standard Function - **Color:** Khaki Cream - **Number of Batteries:** 1 AAA batteries required. - **Power Source:** Battery Powered ## Images ![Mr. Pen- Mechanical Switch Calculator, 12 Digit Large LCD Display - Image 1](https://m.media-amazon.com/images/I/71YkOmDWM1L.jpg) ![Mr. Pen- Mechanical Switch Calculator, 12 Digit Large LCD Display - Image 2](https://m.media-amazon.com/images/I/813qFGI7I8L.jpg) ![Mr. Pen- Mechanical Switch Calculator, 12 Digit Large LCD Display - Image 3](https://m.media-amazon.com/images/I/71oC4SJcPrL.jpg) ![Mr. Pen- Mechanical Switch Calculator, 12 Digit Large LCD Display - Image 4](https://m.media-amazon.com/images/I/71MEPpUN3IL.jpg) ![Mr. Pen- Mechanical Switch Calculator, 12 Digit Large LCD Display - Image 5](https://m.media-amazon.com/images/I/81Obprt5wcL.jpg) ## Available Options This product comes in different **Color** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great basic calculator and great for my sensory child's needs. *by S***R on August 23, 2026* I purchased this for my autistic child. He loves it! He loves the slight sounds the calculator makes when he presses the keys. He loves the color and the size. He has enjoyed using this since he got it, school starts next week and so he will have something he likes and needs. Hard to sometimes meet his sensory needs and basic school needs all in one item. The keys are big, stand out and that is a plus. ### ⭐⭐⭐⭐⭐ Great calculator and easy to use! *by A***A on September 2, 2026* I really like this MR. PEN mechanical switch calculator. The 12-digit display is clear and easy to read, and the buttons are comfortable to press. also it uses AAA batteries, which are easy to replace. It’s simple, practical, and works great for everyday calculations. Definitely worth it! ### ⭐⭐⭐⭐⭐ Cute, Functional & Perfect for Everyday Use *by N***A on January 21, 2026* This calculator is honestly so cute and functional. I love the soft pink color—it looks great on my desk and adds a fun touch without being distracting. The buttons are big, well-spaced, and very easy to press, which makes using it comfortable and satisfying, especially for longer calculations. The display is large and clear, so numbers are easy to read, and everything responds quickly with no lag. Brightness of numbers looks good. It feels sturdy and well made, not flimsy at all, and the mechanical-style buttons have a nice click to them. I also appreciate that it doesn’t slide around thanks to the rubber feet on the bottom. Overall, this is a great everyday calculator that combines function with a cute aesthetic. Perfect for work, school, budgeting, or even just keeping on your desk. Definitely worth the price and I’d highly recommend it. --- ## 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.com.sa/products/699880247-mr-pen-mechanical-switch-calculator-12-digit-large-lcd-display](https://www.desertcart.com.sa/products/699880247-mr-pen-mechanical-switch-calculator-12-digit-large-lcd-display) --- *Product available on Desertcart Saudi Arabia* *Store origin: SA* *Last updated: 2026-09-21*