---
product_id: 635849125
title: "deli D991ES Scientific Calculator | 3 Years Warranty | 417 Functions Textbook Display ANS Function Auto/Manual Power Off - Non-Programmable, Black"
brand: "deli"
price: "46 zł"
currency: PLN
in_stock: false
url: https://www.desertcart.pl/products/635849125-deli-d991es-scientific-calculator-3-years-warranty-417-functions-textbook
store_origin: PL
region: Poland
---

# 417 functions for every calculation Textbook-style display for clear math visualization 3-year warranty for long-term reliability deli D991ES Scientific Calculator | 3 Years Warranty | 417 Functions Textbook Display ANS Function Auto/Manual Power Off - Non-Programmable, Black

**Brand:** deli
**Price:** 46 zł
**Availability:** ❌ Out of Stock

## Summary

> 🧮 Elevate your calculations—because precision is power!

## Quick Answers

- **What is this?** deli D991ES Scientific Calculator | 3 Years Warranty | 417 Functions Textbook Display ANS Function Auto/Manual Power Off - Non-Programmable, Black by deli
- **How much does it cost?** 46 zł with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/635849125-deli-d991es-scientific-calculator-3-years-warranty-417-functions-textbook)

## Best For

- deli enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** 3-year warranty ensures dependable performance through every challenge
- • **Fraction Friendly:** Fractional arithmetic function for precise and professional calculations
- • **Sleek & Professional:** Elegant black design fits perfectly in any office or classroom setting
- • **Crystal Clear Display:** Textbook display format makes math expressions instantly understandable
- • **Master Every Equation:** 417 advanced functions to tackle complex problems with ease

## Overview

The deli D991ES Scientific Calculator offers 417 functions with a clear textbook-style LCD display, backed by a 3-year warranty. Its fractional arithmetic capability and sleek black design make it ideal for professionals and students seeking reliable, precise calculations in a durable, stylish package.

## Description

Full description not available

## Features

- MODEL & BRAND: The calculator is the deli E991ES, a dependable model from the reputable deli brand, known for its high-quality office and educational products.
- DISPLAY: Features a 417F Textbook Display, which ensures that mathematical expressions and calculations are shown in a clear, textbook-style format for easy comprehension.
- WARRANTY: Includes a 3-year warranty, offering assurance of the product's durability and reliable performance over an extended period.
- FUNCTIONALITY: Equipped with a fractional arithmetic function, allowing users to perform and display calculations involving fractions accurately and efficiently, ideal for both educational and professional use.
- COLOR: Comes in a sleek black color, providing a professional and elegant appearance suitable for various environments, from classrooms to professional workplaces.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | deli |
| Manufacturer | ‎Ningbo Deli IMP. & EXP. CO : Xinhui Rd, Jiang Dong Qu, Ningbo, Zhejiang, China, 315048 |
| Model | ED991ES |
| Model Name | E 991ES |
| Product Dimensions | 2.6 x 17.6 x 8.6 cm; 230 g |
| Batteries | 2 LR44 batteries required. |
| Item model number | ED991ES |
| Standing screen display size | 12 Centimetres |
| Display Type | LCD |
| Power Source | Battery Powered |
| Batteries Included | No |
| Batteries Required | No |
| Battery cell composition | Lithium Ion |
| Includes Rechargeable Battery | No |
| Manufacturer | ‎Ningbo Deli IMP. & EXP. CO : Xinhui Rd, Jiang Dong Qu, Ningbo, Zhejiang, China, 315048 |
| Item Weight | 230 g |

## Product Details

- **Brand:** deli
- **Colour:** Black
- **Calculator Type:** Engineering/Scientific
- **Power Source:** Battery Powered
- **Screen Size:** 12 Centimetres

## Images

![deli D991ES Scientific Calculator | 3 Years Warranty | 417 Functions Textbook Display ANS Function Auto/Manual Power Off - Non-Programmable, Black - Image 1](https://m.media-amazon.com/images/I/61Ww9YHNhjL.jpg)
![deli D991ES Scientific Calculator | 3 Years Warranty | 417 Functions Textbook Display ANS Function Auto/Manual Power Off - Non-Programmable, Black - Image 2](https://m.media-amazon.com/images/I/61Ug-5-RTjL.jpg)
![deli D991ES Scientific Calculator | 3 Years Warranty | 417 Functions Textbook Display ANS Function Auto/Manual Power Off - Non-Programmable, Black - Image 3](https://m.media-amazon.com/images/I/61xCu5XLZiL.jpg)
![deli D991ES Scientific Calculator | 3 Years Warranty | 417 Functions Textbook Display ANS Function Auto/Manual Power Off - Non-Programmable, Black - Image 4](https://m.media-amazon.com/images/I/71MGzzmNqWL.jpg)
![deli D991ES Scientific Calculator | 3 Years Warranty | 417 Functions Textbook Display ANS Function Auto/Manual Power Off - Non-Programmable, Black - Image 5](https://m.media-amazon.com/images/I/71G3qx6-QiL.jpg)

## Frequently Bought Together

- deli SCIENTIFIC CALCULATOR 10+2 DIGITS 417F
- Double A - Printer Copy Paper, Size A4, GSM 80, 500 Pages Ream (Bundle of 5 Reams
- Majestic Natural Brown Sugar 350g

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---

*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-01-23*