---
product_id: 75976448
title: "Oreva Calculator - Solar & Battery/ Check & Correct Or400, Grey"
brand: "oreva"
price: "1960 som"
currency: KGS
in_stock: false
reviews_count: 8
url: https://www.desertcart.kg/products/75976448-oreva-calculator-solar-and-battery-check-and-correct-or400-grey
store_origin: KG
region: Kyrgyzstan
---

# 120-step check & correct Dual solar & battery power 12-digit precision Oreva Calculator - Solar & Battery/ Check & Correct Or400, Grey

**Brand:** oreva
**Price:** 1960 som
**Availability:** ❌ Out of Stock

## Summary

> 🔢 Calculate smarter, not harder with Oreva OR-400!

## Quick Answers

- **What is this?** Oreva Calculator - Solar & Battery/ Check & Correct Or400, Grey by oreva
- **How much does it cost?** 1960 som with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.kg](https://www.desertcart.kg/products/75976448-oreva-calculator-solar-and-battery-check-and-correct-or400-grey)

## Best For

- oreva enthusiasts

## Why This Product

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

## Key Features

- • **Trusted Reliability:** From the renowned Oreva brand, engineered for durability and accuracy
- • **Sleek & Professional:** Modern grey finish complements any office or workspace aesthetic
- • **Error-Free Confidence:** 120-step check & correct function minimizes costly mistakes
- • **Power That Never Quits:** Dual solar and battery operation keeps you calculating without interruption
- • **Precision at Your Fingertips:** 12-digit display ensures flawless calculations every time

## Overview

The Oreva OR-400 is a sleek grey calculator featuring a 12-digit display and a robust 120-step check & correct function. Powered by both solar and battery sources, it guarantees uninterrupted, precise calculations—perfect for professionals who demand accuracy and reliability in their daily office tasks.

## Description

Model : Or-400. 12 Digits. 120 Steps. Solar & Battery. Check & Correct

Review: Wonderfully smooth keys... - Value for money, quality product
Review: Good - Average

## Features

- 12 Digits
- 120 STEPS
- Solar & Battery
- Check & Correct

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00R84X3IM |
| Best Sellers Rank | #85,822 in Office Products ( See Top 100 in Office Products ) #537 in Basic |
| Brand | OREVA |
| Brand Name | OREVA |
| Calculator Type | Standard Function |
| Colour | Grey |
| Customer Reviews | 3.8 out of 5 stars 232 Reviews |
| Display Type | LCD |
| Item Type Name | Calculator |
| Item Weight Unit of Measure | 0.49 Pounds |
| Manufacturer | Ajanta Manufacturing Limited (Oreva Group) |
| Manufacturer Part Number | OR-400 |
| Model Name | Or-400 |
| Model Number | OR-400 |
| Power Source | Battery Powered, Solar Powered |

## Product Details

- **Brand:** OREVA
- **Colour:** Grey
- **Calculator Type:** Standard Function
- **Power Source:** Solar Powered, Battery Powered
- **Model Name:** Or-400

## Images

![Oreva Calculator - Solar & Battery/ Check & Correct Or400, Grey - Image 1](https://m.media-amazon.com/images/I/71QwMYHH71L.jpg)
![Oreva Calculator - Solar & Battery/ Check & Correct Or400, Grey - Image 2](https://m.media-amazon.com/images/I/41PO7-LzlzL.jpg)
![Oreva Calculator - Solar & Battery/ Check & Correct Or400, Grey - Image 3](https://m.media-amazon.com/images/I/410p8G4xiJL.jpg)
![Oreva Calculator - Solar & Battery/ Check & Correct Or400, Grey - Image 4](https://m.media-amazon.com/images/I/31oM-PS06-L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Wonderfully smooth keys...
*by S***T on 15 October 2023*

Value for money, quality product

### ⭐⭐⭐⭐ Good
*by K***Y on 31 October 2025*

Average

### ⭐ Stopped working
*by A***K on 29 August 2022*

It worked fine for the first few weeks and all of a sudden it stopped working, I tried to get it checked from a local vendor if the battery needs replacement. He has tried it and confirmed that it's solderinf was very poor and cannot be soldered it's better to buy a new one...

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**Shop now:** [https://www.desertcart.kg/products/75976448-oreva-calculator-solar-and-battery-check-and-correct-or400-grey](https://www.desertcart.kg/products/75976448-oreva-calculator-solar-and-battery-check-and-correct-or400-grey)

---

*Product available on Desertcart Kyrgyzstan*
*Store origin: KG*
*Last updated: 2026-05-05*