Scientific Calculator fx-991

Name: Scientific Calculator fx-991
Rating: 4.6 (416 reviews)
Author: Dinh Phuc

By: Dinh Phuc App

Step-by-step Math Solver

Overview

Version:

1.9.2

Last updated: 2026-09-19

herramientas de hoja de cálculo

Features & Capabilities

Scientific Calculator fx-991 is a powerful math and science tool that delivers step-by-step solutions, graphing, and a handy formula library. It’s perfect for students and STEM professionals tackling math, physics, and chemistry problems.

Featuring a Casio fx-991 inspired interface, step-by-step equation solving, advanced functions (fractions, derivatives, integrals, trigonometry), graphing mode, unit conversion, and a broad formula library, the app helps users learn faster and work more efficiently.

User Growth & Download Statistics

App Education

By:

Dinh Phuc

Rating:

4.60

(416) 7 new ratings

Version:

1.9.2 Last updated: 2026-09-19

Version code:

891625700

Creation date:

2023-02-28

Compatible devices:

Size:

26.59MB

URLs:

Website ,Privacy policy

Full description:

Source:

Apple Apps Store

Data ingested on:

2026-09-25

Compare stats and ranking:

Ranking

# 78,945 ▲ 461

Other rankings

#8 in herramientas de hoja de cálculo keyword 15 #37 in hoja de cálculo keyword 15 ▲ 1#45 in feuilles de calcul keyword 16 ▲ 4#47 in calculator keyword 36 ▼ 1

For Developers

Monetize with App Pass Boost with Extension Booster

Contact the developer

Chrome-Stats does not own this Apple app. Please use these information below to contact the Apple app developer.

Developed by:

Dinh Phuc

Apple Apps Store

https://apps.apple.com/us/app/scientific-calculator-fx-991/id1673640297

Website:

https://hiedu.vn/

User Reviews

really solid calculator app, i’ve used for years whenever i don’t have my t-84 and it does the job. has saved my butt many times!

by 🎤*****, 2026-09-11

This has been very helpful for my Electro Technology classes. I don’t own a physical one and this is so useful plus free. There are ads but it’s not that bad they are not in your face. For the most part you can ignore them and they don’t throw it in your face forcing you to pay for it.