Version history
Scientific Calculator fx-991
54
ASO score
Text
39/100
Reviews
50/100
Graphic
100/100
Other
0/100
App Rating
4.8
Votes
4.09K
App Age
2y 10m
Last Update
Nov 25, 2025
iAP
$0.49 - 4.99
Compare with Category Top Apps
|
Metrics
|
Current App
|
Category Top Average
|
Difference
|
|---|---|---|---|
|
Rating
|
4.78
|
4.58
|
+4%
|
|
Number of Ratings (Voted)
|
4.1K
|
902.6K
|
-100%
|
|
App Age
|
2y 10m
|
8y 4m
|
-66%
|
|
In-app Purchases Price
|
$2
|
$65
|
-96
%
|
|
Update Frequency
|
29d
|
20d
|
+49%
|
|
Title Length
|
28
|
28
|
|
|
Subtitle Length
|
24
|
28
|
-14%
|
|
Description Length
|
1 401
|
2 991
|
-53%
|
|
Number of Screenshots
|
1349
|
1357
|
-1
%
|
|
Size
|
19MB
|
256MB
|
-93
%
|
Category Ranking in United States
7 days
Last 7 days
Last 30 days
Last 90 days
Last 180 days
Last year
| Top | Dec 23, 2025 | Dec 30, 2025 |
|---|---|---|
|
No results were found!
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| Top | Dec 23, 2025 | Dec 30, 2025 |
|---|---|---|
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No results were found!
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| Top | Dec 23, 2025 | Dec 30, 2025 |
|---|---|---|
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No results were found!
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| Top | Dec 23, 2025 | Dec 30, 2025 |
|---|---|---|
|
No results were found!
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Ranking Keywords in United States
| Keywords | App Rank |
|---|---|
|
수식
|
out
out
|
|
уравнения калькулятор
|
out
out
|
|
수식계산기
|
out
out
|
|
калькулятор уравнений
|
out
out
|
|
giáo dục phúc lợi
|
out
out
|
Analyze this and other apps using Asolytics tools
Text ASO
Title
(
Characters:
28
of 30
)
Scientific Calculator fx-991
Subtitle
(
Characters:
24
of 30
)
Step-by-step Math Solver
Description
(
Characters:
1401
of 4000
)
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): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/.}
Read more
Other
Additional Information
| Rating: | |
| Voted: | 4.09K |
| App Store Link: | |
| Website: | |
| Email: | - |
| Privacy Policy: | |
| Categories: | Education |
| Size: | 18MB |
| iAP: | 0.49 - 4.99 $ |
| App Age: | 2 years 10 months |
| Release Date: | Feb 28, 2023 |
| Last Update: | Nov 25, 2025 |
| Version: | 1.7.6 |
Version history
1.7.6
Nov 25, 2025
Saisissez les équations directement au clavier. L'application vous aide à analyser les variations, à trouver les extrema et à tracer les graphiques des équations familières du programme scolaire.
1.7.5
Nov 16, 2025
根据 iOS 26.1 调整界面带来了更美观的设计。