---
product_id: 664850619
title: "Scientific Calculators, IPEROT Math Solar Calculator with 417 Function | Battery Power and 4-Line Display, School Supplies for Middle High College Students Teachers (Black 991ES )"
brand: "iperot"
price: "€ 35.45"
currency: EUR
in_stock: true
reviews_count: 13
category: "Iperot"
url: https://www.desertcart.at/products/664850619-scientific-calculators-iperot-math-solar-calculator-with-417-function-battery
store_origin: AT
region: Austria
---

# 4-line large display 417 advanced functions solar + battery dual power Scientific Calculators, IPEROT Math Solar Calculator with 417 Function | Battery Power and 4-Line Display, School Supplies for Middle High College Students Teachers (Black 991ES )

**Brand:** iperot
**Price:** € 35.45
**Availability:** ✅ In Stock

## Summary

> 🔢 Elevate your calculations—because average just won’t do!

## Quick Answers

- **What is this?** Scientific Calculators, IPEROT Math Solar Calculator with 417 Function | Battery Power and 4-Line Display, School Supplies for Middle High College Students Teachers (Black 991ES ) by iperot
- **How much does it cost?** € 35.45 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.at](https://www.desertcart.at/products/664850619-scientific-calculators-iperot-math-solar-calculator-with-417-function-battery)

## Best For

- iperot enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Durable, high-quality design made for daily use by students and professionals alike.
- • **See It All at Once:** Large 4-line LCD screen displays full expressions and results for error-free calculations.
- • **For Every Math Mind:** Perfect for high schoolers, college students, engineers, and teachers—boost your problem-solving game.
- • **Power Without Limits:** Dual solar and battery system ensures uninterrupted use anytime, anywhere.
- • **Master Every Equation:** 417 functions covering algebra, calculus, stats & more—your all-in-one math powerhouse.

## Overview

The IPEROT 991ES scientific calculator features 417 functions including algebra, calculus, and statistics, displayed on a large 4-line LCD screen. Powered by both solar and battery, it offers reliable performance with a durable build, making it ideal for students and professionals in math, science, and engineering fields.

## Description

desertcart.com : Scientific Calculators, IPEROT Math Solar Calculator with 417 Function | Battery Power and 4-Line Display, School Supplies for Middle High College Students Teachers (Black 991ES ) : Office Products

Review: Awsome product - Very standard easy to use calculater.statistics functions are working very well.good for advanced use not as a toy.
Review: The Elle Woods of calculators🩷🤍 - It works just like the ones I would typically buy but pink. It is amazing and I can't wait to see how it holds up through out this school year.

## Features

- 417 FUNCTIONS : This scientific calculator boasts 417 function, including algebraic, fraction, derivative, integral, statistical, complex number calculation, linear regression, standard deviation, permutation and combination, and variable solving, similar to operations found in math textbooks. It is well-suited for advanced and basic courses, high school and college students financial calculator calculadora cientifica construction calculator
- LARGE DISPLAY SCREEN : lts screen is large enough to display four lines of numbers,.making it easier to read than traditional calculators. The written display of expressions allows you tosee the calculation process and results, making it a non-programmable calculator
- SOLAR AND BATTERY DUAL POWER SYSTEM : The calculator features a dual power systemthat uses both solar and battery power, allowing users to use it anytime, anywhere, without worryingabout battery issues
- STABLE AND RELlABLE : The scientific calculator is made with high-quality materials, has asturdy and durable exterior, and is easy to operate, with stable and reliable performance
- WIDE RANGE OF USERS : As an essential school supply, middle school supplies, it is ideal for middle,and high school students, college students, engineers, nurses, and teachers, among others. lt can meettheir calculation needs in math, science, and engineering felds and help them better understand andapply knowledge. It can also be given to those who need to do scientifc calculations, makingit a practical and meaningful school supplies

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0DG29TXGS |
| Best Sellers Rank | #8,624 in Office Products ( See Top 100 in Office Products ) #31 in Scientific Calculators |
| Brand | IPEROT |
| Calculator Type | Engineering/Scientific |
| Color | Black |
| Customer Reviews | 4.5 out of 5 stars 626 Reviews |
| Display Type | LCD |
| Enclosure Material | Plastic |
| Item Dimensions L x W | 6"L x 2"W |
| Manufacturer | IPEROT |
| Mfr Part Number | 01 |
| Model Name | 991ES |
| Model Number | calculator-AB |
| Number of Batteries | 1 LR44 batteries required. (included) |
| Number of Items | 1 |
| Power Source | Solar Powered |
| Screen Size | 6.5 inches |
| Warranty Description | 1 |

## Product Details

- **Brand:** IPEROT
- **Calculator Type:** Engineering/Scientific
- **Color:** Black
- **Power Source:** Solar Powered
- **Screen Size:** 6.5 inches

## Images

![Scientific Calculators, IPEROT Math Solar Calculator with 417 Function | Battery Power and 4-Line Display, School Supplies for Middle High College Students Teachers (Black 991ES ) - Image 1](https://m.media-amazon.com/images/I/511uDMn2APL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Awsome product
*by S***R on July 4, 2026*

Very standard easy to use calculater.statistics functions are working very well.good for advanced use not as a toy.

### ⭐⭐⭐⭐⭐ The Elle Woods of calculators🩷🤍
*by K***E on July 17, 2026*

It works just like the ones I would typically buy but pink. It is amazing and I can't wait to see how it holds up through out this school year.

### ⭐⭐⭐⭐⭐ Great Calculator for Students – Functional and Stylish
*by A***K on March 14, 2026*

This Scientific Calculator with Graphing Functions is a fantastic tool for students who need more than a basic calculator. It combines scientific functions and graphing capabilities, making it very helpful for algebra, trigonometry, statistics, and other advanced math classes. One thing I really like is the 10 built-in calculation modes, which allow you to work with equations, matrices, statistics, vectors, and more. This makes it versatile for high school and college-level math problems. The graphing features are also impressive. It can display different types of graphs like Cartesian equations, polar functions, and parametric equations, which helps visualize mathematical concepts much more clearly. The large high-resolution display makes it easy to read both calculations and graphs without straining your eyes, and the keyboard layout is comfortable and responsive. It also runs on AAA batteries and automatically powers off after inactivity, which helps conserve battery life. I also love the pink design—it stands out from typical black calculators and adds a fun touch to school supplies while still being professional and practical.

## Frequently Bought Together

- Scientific Calculators, IPEROT Black Math Calculator with 417 Function, Solar Battery Power and 4-Line Display, School Supplies for Middle High College Students Teachers (Black 991ES)
- Texas Instruments TI-30XIIS Scientific Calculator, Black with Blue Accents
- Casio fx-115ES Plus 2nd Edition – Advanced Scientific Calculator | 280+ Functions, Natural Textbook Display℠ | Ideal for Math, Science, Engineering & Statistics

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*Product available on Desertcart Austria*
*Store origin: AT*
*Last updated: 2026-08-17*