---
product_id: 550859287
title: "Mr. Pen- Mechanical Switch Calculator, 12 Digit Large LCD Display, Pink with Big Buttons, Mechanical Switch Calculator for Home, School, Office"
brand: "mr. pen"
price: "£11.61"
currency: GBP
in_stock: true
reviews_count: 13
category: "Mr. Pen"
url: https://www.desertcart.co.uk/products/550859287-mr-pen-mechanical-switch-calculator-12-digit-large-lcd-display
store_origin: GB
region: United Kingdom
---

# Auto power-off to save battery 12-digit large LCD display Mechanical switch buttons for tactile feedback Mr. Pen- Mechanical Switch Calculator, 12 Digit Large LCD Display, Pink with Big Buttons, Mechanical Switch Calculator for Home, School, Office

**Brand:** mr. pen
**Price:** £11.61
**Availability:** ✅ In Stock

## Summary

> 💖 Calculate with style and precision — because your desk deserves a glow-up!

## Quick Answers

- **What is this?** Mr. Pen- Mechanical Switch Calculator, 12 Digit Large LCD Display, Pink with Big Buttons, Mechanical Switch Calculator for Home, School, Office by mr. pen
- **How much does it cost?** £11.61 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/550859287-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

- • **Chic & Compact:** Soft pink design adds a trendy pop to your desk without taking up space.
- • **Effortless Precision:** Mechanical switch keys deliver a satisfying click for accurate, speedy input.
- • **Power Smart, Last Long:** Runs on a single AAA battery with automatic shutdown after 10 minutes of inactivity.
- • **See Every Digit Clearly:** Large 12-digit LCD screen ensures numbers are visible from any angle.
- • **Big Buttons, Big Comfort:** Oversized, well-spaced keys reduce errors and fatigue during long calculations.

## Overview

The Mr. Pen Mechanical Switch Calculator combines a large 12-digit LCD display with tactile mechanical keys for a premium user experience. Its big buttons and compact size make it perfect for office, school, or home use. Powered by a single AAA battery with an auto-off feature, it balances efficiency with battery longevity. Finished in a trendy pink, it’s a functional yet stylish tool that stands out on any desk.

## Description

desertcart.com : Mr. Pen- Mechanical Switch Calculator - 12 Digit Large LCD Display, Pink with Big Buttons, Valentine Gift : Office Products

Review: Cute, Functional & Perfect for Everyday Use - 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.
Review: Ocean Blue - I love my little calculator! I use it all the time, for work and personal. The large buttons make it easy to use, along with the large numbers on the screen. It is lightweight, easy to carry. The color is vibrant, so you cannot misplace it, it stands out.

## 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 |
| Batteries | 1 AAA batteries required. |
| Best Sellers Rank | #483 in Office Products ( See Top 100 in Office Products ) #3 in Basic Office Calculators |
| Customer Reviews | 4.5 4.5 out of 5 stars (2,742) |
| Date First Available | April 18, 2023 |
| Item Weight | 5.8 ounces |
| Item model number | LTNT001M313 |
| Manufacturer | Mr. Pen |
| Product Dimensions | 6.2 x 4.4 x 0.04 inches |

## Product Details

- **Brand:** Mr. Pen
- **Calculator Type:** basic
- **Color:** Pink
- **Power Source:** Battery Powered
- **Screen Size:** 4.4 Inches

## Images

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

## Available Options

This product comes in different **Color** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ 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.

### ⭐⭐⭐⭐⭐ Ocean Blue
*by M***Z on January 11, 2026*

I love my little calculator! I use it all the time, for work and personal. The large buttons make it easy to use, along with the large numbers on the screen. It is lightweight, easy to carry. The color is vibrant, so you cannot misplace it, it stands out.

### ⭐⭐⭐⭐⭐ Functional & Cute
*by L***M on August 26, 2025*

Love this calculator. It’s chunky enough that it sits well on the desk. Buttons are easy to read. I have a large calculator that runs a tape, and find myself using my phone or computer calculator often. This is the perfect middle man that will streamline simple calculations. It’s the perfect color and size that I can easily find it on my desk. Plus it’s cute.

## Frequently Bought Together

- Mr. Pen Mechanical Switch Calculator - 12 Digit Large LCD Display, Pink with Big Buttons
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**Shop now:** [https://www.desertcart.co.uk/products/550859287-mr-pen-mechanical-switch-calculator-12-digit-large-lcd-display](https://www.desertcart.co.uk/products/550859287-mr-pen-mechanical-switch-calculator-12-digit-large-lcd-display)

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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-05-25*