---
product_id: 558706534
title: "Mr. Pen Mechanical Switch Calculator - 12 Digit Large LCD Display, Pink with Big Buttons, Back to School Supplies"
brand: "mr. pen"
price: "7.80 OMR"
currency: OMR
in_stock: true
reviews_count: 12
url: https://www.desertcart.com.om/products/558706534-mr-pen-mechanical-switch-calculator-12-digit-large-lcd-display
store_origin: OM
region: Oman
---

# Mechanical switch buttons 10-min auto shutdown battery saver 12-digit large display Mr. Pen Mechanical Switch Calculator - 12 Digit Large LCD Display, Pink with Big Buttons, Back to School Supplies

**Brand:** mr. pen
**Price:** 7.80 OMR
**Availability:** ✅ In Stock

## Summary

> 🔢 Click, Calculate, Conquer – The Calculator That Means Business!

## Quick Answers

- **What is this?** Mr. Pen Mechanical Switch Calculator - 12 Digit Large LCD Display, Pink with Big Buttons, Back to School Supplies by mr. pen
- **How much does it cost?** 7.80 OMR with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.om](https://www.desertcart.com.om/products/558706534-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

- • **See More, Do More:** Large 12-digit LCD ensures every number is crystal clear from any angle.
- • **Compact Powerhouse:** Sleek 6.2 x 4.4 inch design fits perfectly on any desk without clutter.
- • **Smart Energy Saver:** Auto shutdown after 10 minutes extends battery life for uninterrupted productivity.
- • **Precision Meets Satisfaction:** Mechanical switch keys deliver a tactile, clicky experience for flawless data entry.
- • **Versatile Everyday Essential:** Equipped with memory recall, percentage, and more — perfect for office, school, or home.

## Overview

Mr. Pen Mechanical Switch Calculator combines a large 12-digit display with satisfying mechanical keys for precise, fast input. Its compact size and energy-saving auto shutdown make it ideal for professionals and students alike, delivering essential functions in a stylish pink design that stands out on any desk.

## 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: Satisfying button sounds - Cute and I love the sound of the buttons Would buy again
Review: Exceptionally practical and satisfyingly usable. - 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.

## 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 | B0C2XQBD8B |
| Best Sellers Rank | 32,675 in Stationery & Office Supplies ( See Top 100 in Stationery & Office Supplies ) 63 in Basic Calculators |
| Guaranteed software updates until | unknown |
| Item model number | LTNT001M313 |
| Manufacturer | Mr. Pen |
| Product Dimensions | 15.75 x 11.18 x 0.1 cm; 165 g |

## Product Details

- **Brand:** Mr. Pen
- **Calculator Type:** basic
- **Colour:** Pink
- **Display type:** LCD
- **Material:** Plastic
- **Model name:** mechanical switch calculator
- **Number of batteries:** 1 AAA batteries required.
- **Power source:** Battery Powered
- **Product dimensions:** 15.8L x 11.2W centimetres
- **Screen size:** 4.4 Inches

## Images

![Mr. Pen Mechanical Switch Calculator - 12 Digit Large LCD Display, Pink with Big Buttons, Back to School Supplies - Image 1](https://m.media-amazon.com/images/I/81JikRw3uLL.jpg)

## Customer Reviews

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

Cute and I love the sound of the buttons Would buy again

### ⭐⭐⭐⭐⭐ Exceptionally practical and satisfyingly usable.
*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.

### ⭐⭐⭐⭐⭐ Has all the necessary functions readily to hand
*by A***R on 26 December 2025*

Fun to look at and easy to use, has all the mainstream buttons/functions Nice positive feel when you press the buttons. Only thing missing is solar as a backup power source. Recommended.

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**Shop now:** [https://www.desertcart.com.om/products/558706534-mr-pen-mechanical-switch-calculator-12-digit-large-lcd-display](https://www.desertcart.com.om/products/558706534-mr-pen-mechanical-switch-calculator-12-digit-large-lcd-display)

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*Product available on Desertcart Oman*
*Store origin: OM*
*Last updated: 2026-02-20*