---
product_id: 612366607
title: "Mr. Pen- Mechanical Switch Calculator, 12 Digits, Large LCD Display, Purple Calculator Big Buttons"
brand: "mr. pen"
price: "€ 33.49"
currency: EUR
in_stock: false
reviews_count: 5
category: "Mr. Pen"
url: https://www.desertcart.fr/products/612366607-mr-pen-mechanical-switch-calculator-12-digits-large-lcd-display
store_origin: FR
region: France
---

# Auto power-off battery saver 12-digit precision Mechanical switch keys Mr. Pen- Mechanical Switch Calculator, 12 Digits, Large LCD Display, Purple Calculator Big Buttons

**Brand:** mr. pen
**Price:** € 33.49
**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, Purple Calculator Big Buttons by mr. pen
- **How much does it cost?** € 33.49 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.fr](https://www.desertcart.fr/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:** Sleek 6.2 x 4.4 inch design fits seamlessly on any desk without sacrificing usability or visibility.
- • **Smart Energy Saver:** Runs on a single AAA battery with automatic shutdown after 10 minutes to maximize battery life and reliability.
- • **Click with Confidence:** Mechanical switch buttons deliver a tactile, satisfying click for fast and accurate data entry—goodbye mushy keys!
- • **Big Buttons, Big Impact:** Oversized, sensitive keys designed for effortless pressing, perfect for busy professionals and multitaskers.
- • **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 professional-grade 12-digit precision with a large LCD display and tactile mechanical keys for an unmatched user experience. Its compact purple design fits perfectly in any workspace, while smart energy-saving features ensure long-lasting performance. Ideal for office, school, or home use, it’s the reliable tool that keeps up with your fast-paced calculations.

## 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: Buena calculadora - 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: Satisfying button sounds

## 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 | #52,749 in Office Products ( See Top 100 in Office Products ) #183 in Basic Calculators |
| Brand | Mr. Pen |
| Calculator Type | Standard Function |
| Color | Purple |
| Colour | Purple |
| Customer Reviews | 4.5 out of 5 stars 668 Reviews |
| Display Type | LCD |
| Enclosure Material | Plastic |
| Item Dimensions L x W | 15.7L x 11.2W centimeters |
| Manufacturer | Mr. Pen |
| Material | Plastic |
| Model Name | mechanical switch calculator |
| Model name | mechanical switch calculator |
| Power Source | Battery Powered |
| Power source | Battery Powered |
| UPC | 840316923927 |

## 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

### ⭐⭐⭐⭐ Buena calculadora
*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!

### ⭐⭐⭐⭐⭐ Satisfying button sounds
*by M***1 on 1 November 2025*



### ⭐⭐⭐⭐⭐ Exceptionally practical and satisfyingly usable.
*by J***J on 4 May 2025*



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**Shop now:** [https://www.desertcart.fr/products/612366607-mr-pen-mechanical-switch-calculator-12-digits-large-lcd-display](https://www.desertcart.fr/products/612366607-mr-pen-mechanical-switch-calculator-12-digits-large-lcd-display)

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*Product available on Desertcart France*
*Store origin: FR*
*Last updated: 2026-02-23*