---
title: "Scientific Calculator fx-991 - Отзывы, Доход и Загрузки приложения in Алжир | Apple App Store"
description: "Scientific Calculator fx-991 – The Ultimate Math & Science Tool! Struggling with math problems, equations, or integrals?  Need a powerful scientific calculator to solve step-by-step?  With Scientific "
---

# Scientific Calculator fx-991 — Алжир
> Step-by-step Math Solver

![Scientific Calculator fx-991 App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/b3/f2/83/b3f2837f-a7c3-f6a6-d5e1-a26d390d66d9/AppIcon-0-0-1x_U007emarketing-0-8-0-85-220.png/400x400bb.png)

**Developer:** [Dinh Phuc](https://apptail.io/ru/developer/dinh-phuc-gCU) (Вьетнам)
**Category:** Education
**Rating:** 4.6/5 (241 ratings)
**Price:** Free
**Bundle ID:** dinhphuc1993.ExemplePhucnd
**Store:** Apple App Store
**Country:** Алжир
**Version:** 1.9.2 (released 2026-09-19)
**Original Release:** 2023-02-28

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/dz/app/app/id1673640297)
**AppTail Page:** [https://apptail.io/ru/app/scientific-calculator-fx-991-aDTk/algeria](https://apptail.io/ru/app/scientific-calculator-fx-991-aDTk/algeria)

## Scientific Calculator fx-991 Description
Scientific Calculator fx-991 – The Ultimate Math & Science Tool!
Struggling with math problems, equations, or integrals?  Need a powerful scientific calculator to solve step-by-step?

With Scientific Calculator fx-991, you can calculate, graph, and find formulas instantly – making learning math, physics, and chemistry easier than ever! 

Key Features
+ Step-by-step equation solver – Enter any equation and get a detailed step-by-step solution.
+ Advanced scientific functions – Solve fractions, algebra, derivatives, integrals, trigonometry, and more.
+ Graphing mode – Visualize mathematical functions interactively.
+ Extensive formula library – Access key formulas for math, physics, and chemistry in seconds.
+ Unit converter – Quickly convert between different measurement units.
+ Casio fx-991 inspired interface – A familiar and intuitive experience for students.

 Perfect for high school and college students, engineers, and professionals in STEM fields!

 Who is this app for?
High school students – Solve algebra, calculus, and physics problems efficiently.
 College & university students – Master engineering, physics, and complex math subjects.
 STEM professionals – Perform advanced calculations quickly and accurately.

 Download Scientific Calculator fx-991 now and simplify your calculations! 
Terms of Use (EULA): 

## Scientific Calculator fx-991 Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/f6/a4/ae/f6a4ae48-2798-f2f7-0de7-6f077231bd52/anh1_ios.png/1284x2778.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/43/d9/41/43d94116-8af3-5d00-0106-f3d47379f8c5/anh2_IOS.png/1284x2778.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/f1/57/16/f15716e7-16bc-50ed-3297-6b9490935db7/anh3_IOS.png/1284x2778.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/26/a3/05/26a30539-bf0e-22f4-b3ce-095cb2307cfd/3.png/1284x2778.png)
- [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/46/f1/7e/46f17ec0-4de1-6a0e-175b-08846db9ccc7/4.png/1284x2778.png)
- [Screenshot 6](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/bb/d6/a8/bbd6a8be-0f59-cd54-58db-d62299d0b88c/en5.png/1284x2778.png)
- [Screenshot 7](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/09/d8/7c/09d87c89-d36e-7c59-86fb-ea869ffe98a1/en6.png/1284x2778.png)

## Scientific Calculator fx-991 Rating Breakdown in Алжир
- 5 stars: 192 (80%)
- 4 stars: 31 (13%)
- 3 stars: 5 (2%)
- 2 stars: 3 (1%)
- 1 stars: 10 (4%)

## Scientific Calculator fx-991 Reviews in Алжир

### ***** "."
Vrmnt woooow ❤️
-- Leimila, 2024-12-02

[View all Scientific Calculator fx-991 reviews and detailed analytics on AppTail](https://app.apptail.io/signup?utm_campaign=ai-crawl&utm_content=reviews)

## Scientific Calculator fx-991 In-App Purchases
| Item | Price |
|------|-------|
| Yearly Premium Access | $4.39 |
| Monthly Premium Access | $0.49 |
| 6-Month Premium Membership | $2.49 |

## Scientific Calculator fx-991 Store Rankings
| Chart | Country | Category | Rank |
|-------|---------|----------|------|
| Топ бесплатных | Египет | Education | #2 |
| Топ бесплатных | Филиппины | Education | #6 |
| Топ бесплатных | Алжир | Education | #7 |
| Топ бесплатных | Малайзия | Education | #10 |
| Топ бесплатных | Пакистан | Education | #15 |
| Топ бесплатных | Перу | Education | #19 |
| Топ бесплатных | Кувейт | Education | #20 |
| Топ бесплатных | Эквадор | Education | #22 |
| Топ бесплатных | Южно-Африканская Республика | Education | #25 |
| Топ бесплатных | Ливан | Education | #33 |
| Топ бесплатных | ОАЭ | Education | #35 |
| Топ бесплатных | Нигерия | Education | #36 |
| Топ бесплатных | Колумбия | Education | #37 |
| Топ бесплатных | Саудовская Аравия | Education | #40 |
| Топ бесплатных | Сингапур | Education | #61 |
| Топ бесплатных | Вьетнам | Education | #76 |
| Топ бесплатных | Аргентина | Education | #89 |
| Топ бесплатных | Мексика | Education | #94 |
| Топ бесплатных | Венгрия | Education | #95 |
| Топ бесплатных | Индия | Education | #98 |
| Топ бесплатных | Израиль | Education | #128 |
| Топ бесплатных | Египет | Overall | #139 |
| Топ бесплатных | Алжир | Overall | #147 |
| Топ бесплатных | Ирландия | Education | #153 |
| Топ бесплатных | Индонезия | Education | #157 |
| Топ бесплатных | Республика Корея | Education | #159 |
| Топ бесплатных | Португалия | Education | #174 |
| Топ бесплатных | Австралия | Education | #175 |
| Топ бесплатных | Таиланд | Education | #180 |
| Топ бесплатных | Чили | Education | #183 |
| Топ бесплатных | Новая Зеландия | Education | #196 |
| Топ бесплатных | Франция | Education | #226 |
| Топ бесплатных | Тайвань | Education | #229 |

## Scientific Calculator fx-991 Discovered Keywords
- basic calculator pro

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