# ROATEE Scientific Calculator with 240 Functions

Keep calculations and quick class notes together with the ROATEE scientific calculator, its LCD writing area works only when unlocked.

- [Original product page](https://www.ofertitastop.com/us/product/roatee-scientific-calculator-with-240-functions)
- [View offer](https://www.ofertitastop.com/us/visit/roatee-scientific-calculator-with-240-functions)
- Market: US
- Language: en-US
- Currency: USD
- Product updated: 2026-10-18T22:34:41.945Z
- SKU: ofertitastop-us-102826
- Category: Electronics > Computers > Handheld Devices > Data Collectors
- Source store: amazon US
- Active deal: Yes
- Price: 13.71 USD
- Previous price: 18.99 USD
- Discount: 28%
- Rating: 4.5 / 5
- Reviews: 3639

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## Description

For a school day that switches between solving problems and jotting down a quick note, the ROATEE scientific calculator combines calculation tools with a small LCD writing area. Its foldable design, built-in stylus, and solar and coin-battery power give it a different role from a basic calculator that only handles arithmetic.

The appeal is practical: keep scratch notes beside your calculations instead of reaching for a separate notepad. Just remember that the writing area and erase button work only when the lock key is unlocked.

## Best use cases

This calculator is aimed at middle and high school students, with 240 functions covering general math, statistics and regression calculations, scientific functions, and scientific computation. Memory functions are included, too. That range makes it more suited to coursework involving more than everyday arithmetic than a simple four-function calculator.

The writing tablet can help with a quick intermediate step or reminder. Picture working through a problem at a desk, writing a number on the LCD area with the included stylus, then clearing it when you move to the next calculation. It is a handy supplement for brief notes, rather than a replacement for a full notebook or a larger writing surface.

## Product specs

- **Functions:** 240, including general math, statistics and regression calculations, scientific functions, and scientific computation
- **Display:** Two-line display
- **Power:** Solar and built-in, replaceable coin battery
- **Design:** Foldable, with an LCD writing tablet and built-in stylus
- **Weight:** 5 ounces

The angled display is intended to be easier to view when the calculator is held or placed flat, while the larger, spaced keys are designed for straightforward input. The stylus slides into the side of the body, so it has a dedicated place when not in use. On the spec sheet, the combined calculator-and-notepad format is the main distinction, the provided details do not identify a specific coin-cell battery type or describe the display’s resolution.

## Where it shines

The useful difference is having calculation and scratch-note functions in one portable item. Compared with carrying a separate basic calculator and notepad, this setup keeps short working notes close to the problem and reduces the number of things to manage at a desk or in class. Solar power is also paired with a replaceable coin battery, rather than relying on solar alone.

What if you only need to remember one intermediate value while moving between problems? The writing area is built for that kind of quick notation. Its limit is just as relevant: the description does not establish that the LCD tablet stores notes, so treat it as a place for temporary writing, not saved class notes. A dedicated notebook makes more sense for longer explanations or anything you need to keep.

## When it makes sense

Worth considering if you want a school-focused scientific calculator with a writing area, a foldable body, and several ways to power it. The listed functions may cover a broader set of math tasks than a basic calculator, while the notepad feature adds a convenient scratch space without adding a separate notebook to the setup.

It may not suit you if you need a large or persistent note-taking surface, or if your coursework requires specific functions that are not named in the product details. Also, the writing and erase controls depend on the lock key being unlocked, so the note feature has an extra step before use. Choose it for quick calculations and temporary working notes, choose a separate writing tool when keeping or organizing notes matters more.

## Images

![ROATEE Scientific Calculator with 240 Functions — 1](https://www.ofertitastop.com/i/CTiQgRElrTu1bQHMkGEq3lNnPDZAa4RU7gi89xJU-33Mbwx-ZrMO5x7f8mLFzfjWaRmWxsYzocsscpUFn-IMprrYE4zt4jdJ2jXgy7hDDM5l2s1gRR6d4yX1AQ.jpg)

![ROATEE Scientific Calculator with 240 Functions — 2](https://www.ofertitastop.com/i/WQZ70ktpYVllz_u3DYAzejiRNx1HJbhSBKao1snstuvPJc5mHIzi3JesR2kiNaCd4BZxt4jJg1kgS0cbySOeQhZLksVKV57ZO0qK0mb6BtJ26FdxOzjvlSDbAQ.jpg)

![ROATEE Scientific Calculator with 240 Functions — 3](https://www.ofertitastop.com/i/1pq9R9nEYgUlfaymUb5caqBZjGsQkuLh-GxmieqjuC7RcZIAv0lpTuwrCbJ_9pUmWDauG9k3xjaC_P2PCyhOPfaCXpePDwnVTW6mfRfXZC5vUbPPZ74gBui8Cg.jpg)

![ROATEE Scientific Calculator with 240 Functions — 4](https://www.ofertitastop.com/i/wX9gXn2_DuJnT1x_erAYxUnfzsvRrmANEDecRUeV9u8QwF97hEyPDW0yylTvmw-YcXQdlfYd7xqt6_pjb5MurUIUsdiQcxBzpzj1A1gL6oS5abVhJteZZFrORg.jpg)

![ROATEE Scientific Calculator with 240 Functions — 5](https://www.ofertitastop.com/i/H3i94SDZQwgaH8GbZSOKzaWGt9DuwXA0stc-Cu9peyFH9ZpPJ6uQdkZs4lPC_zYrn_X4U1p7Zs03tc9FzYmiu1wsbQsA8AxWMfM4NYl39D1KqmG6lUWSDOam6A.jpg)