---
product_id: 514910333
title: "Casio fx-85GTCW Black Scientific Calculator"
brand: "casio"
price: "HK$274"
currency: HKD
in_stock: true
category: "Casio"
url: https://www.desertcart.hk/products/514910333-casio-fx-85gtcw-black-scientific-calculator
store_origin: HK
region: Hong Kong
---

# Auto power-off for energy saving Compact 16.2 x 7.7 x 1.1 cm Dual-powered solar + battery Casio fx-85GTCW Black Scientific Calculator

**Brand:** casio
**Price:** HK$274
**Availability:** ✅ In Stock

## Summary

> ⚡ Stay sharp, powered up, and exam-ready with Casio’s fx-85GTCW!

## Quick Answers

- **What is this?** Casio fx-85GTCW Black Scientific Calculator by casio
- **How much does it cost?** HK$274 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/514910333-casio-fx-85gtcw-black-scientific-calculator)

## Best For

- casio enthusiasts

## Why This Product

- Trusted casio brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Smart Auto Power-Off:** Conserves battery life by powering down automatically, so you’re never caught off guard.
- • **Exam-Ready Powerhouse:** UK’s best-selling scientific calculator, approved for all major exams including GCSE and beyond.
- • **Dual Energy Efficiency:** Solar-powered with battery backup ensures uninterrupted performance wherever you study or work.
- • **Sleek & Portable Design:** Lightweight 180g and slim profile fits perfectly in your bag or pocket for on-the-go calculations.
- • **Precision at Your Fingertips:** Advanced functions tailored for Key Stages 3 and 4, making complex math effortless and reliable.

## Overview

The Casio fx-85GTCW is the UK’s top-selling dual-powered scientific calculator, designed for students and professionals alike. Approved for all UK exams where calculators are allowed, it combines solar and battery power with a compact, lightweight design. Featuring advanced functions for Key Stages 3 and 4, it ensures precision and reliability, while smart auto power-off maximizes battery life.

## Description

Casio fx-85GTCW is the UK's best-selling dual-powered scientific calculator fx-85GTCW is the new upgraded version of the fx-85GT X Allowed in every UK exam where a calculator can be used. Recommended and approved for use within Key Stages 3 and 4, to include GCSE, National and Higher, Junior and Leaving Dual powered, solar with battery back up and Auto power-off.

## Features

- Casio fx-85GTCW is the UK's best-selling dual-powered scientific calculator
- fx-85GTCW is the new upgraded version of the fx-85GT X
- Allowed in every UK exam where a calculator can be used.
- Recommended and approved for use within Key Stages 3 and 4, to include GCSE, National and Higher, Junior and Leaving
- Dual powered, solar with battery back up and Auto power-off.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Casio |
| Brand | Casio |
| Model Number | FX-85GTCW-W-UT |
| Product Dimensions | 16.2 x 7.7 x 1.1 cm; 150 g |
| Batteries | 1 LR44 batteries required. |
| Colour | Black |
| Material Type | Plastic |
| Number of Items | 1 |
| Size | One Size |
| Manufacturer Part Number | FX-85GTCW-W-UT |
| Item Weight | 150 g |

## Product Details

- **Brand:** Casio
- **Calculator Type:** Engineering/Scientific
- **Colour:** Black
- **Display type:** LCD
- **Manufacturer:** Casio
- **Material:** Plastic
- **Model name:** Casio FX-85GTCW Black Scientific Calculator
- **Number of batteries:** 1 LR44 batteries required.
- **Power source:** Solar Powered
- **Product dimensions:** 16.2L x 7.7W centimetres

## Images

![Casio fx-85GTCW Black Scientific Calculator - Image 1](https://m.media-amazon.com/images/I/712e2LeuHwL.jpg)

## Questions & Answers

**Q: What does the screen on top of the calvulator do?**
A: That is the solar panel which converts solar radiation (light) to electricity, to power the calculator. There are two almost identical models, this one with the solar panel and another which runs on batteries. Note you only get a basic instruction booklet, the full manual has to be downloaded from the casio web site.

**Q: Where is the “SD” button on the new version of this calculator?**
A: Use the key to enter the SD Mode when you want to perform statistical calculations using standard deviation. In the SD Mode and REG Mode, the key operates as the key. Always start data input with (CLR) (Scl) to clear statistical memory.

**Q: My previous casio calculator had an arrow button to delete just the last digit typed-can this calculator delete one number without using the c or ac**
A: On this Casio calculator there is a DEL button to do the same function you are describing, very easy!!

**Q: Is this the same as the fx-85gt plus?**
A: No this is a different model.

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- Casio fx-85GTCW Black Scientific Calculator
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**Shop now:** [https://www.desertcart.hk/products/514910333-casio-fx-85gtcw-black-scientific-calculator](https://www.desertcart.hk/products/514910333-casio-fx-85gtcw-black-scientific-calculator)

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*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-01-27*