Version history
Scientific calculator plus 991
34
ASO score
Text
25/100
Reviews
72/100
Graphic
40/100
Other
0/100
App Rating
4.8
Votes
53.93M
App Age
5y 7m
Last Update
Aug 24, 2025
iAP
$0.99 - 4.99
Compare with Category Top Apps
|
Metrics
|
Current App
|
Category Top Average
|
Difference
|
|---|---|---|---|
|
Installs
|
48.7M
|
42M
|
+16%
|
|
Rating
|
4.84
|
4.5
|
+8%
|
|
Number of Ratings (Voted)
|
44.5M
|
106M
|
-58%
|
|
App Age
|
5y 7m
|
7y 9m
|
-27%
|
|
In-app Purchases Price
|
$3
|
$118
|
-97
%
|
|
Update Frequency
|
109d
|
43d
|
+152%
|
|
Title Length
|
30
|
27
|
+11%
|
|
Short Description Length
|
77
|
71
|
+8%
|
|
Description Length
|
2 409
|
3 119
|
-23%
|
|
Number of Screenshots
|
528
|
1329
|
-60
%
|
|
Has Video?
|
No
|
0% has videos
|
|
|
Size
|
0MB
|
0MB
|
|
Category Ranking in United States
7 days
Last 7 days
Last 30 days
Last 90 days
Last 180 days
Last year
| Top | Dec 04, 2025 | Dec 11, 2025 |
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| Top | Dec 04, 2025 | Dec 11, 2025 |
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| Top | Dec 04, 2025 | Dec 11, 2025 |
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| Top | Dec 04, 2025 | Dec 11, 2025 |
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No results were found!
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Downloads
Downloads Graph
Total
48.5M
Last month
735.8K
Text ASO
Title
(
Characters:
30
of 50
)
Scientific calculator plus 991
Short Description
(
Characters:
77
of 80
)
Advanced scientific calculator 991 plus. Includes simulator 115 and 300 plus.
Description
(
Characters:
2409
of 4000
)
Scientific calculator 300 plus, 991 is the calculator for students and engineering student. Calculator 991 plus provides powerful functions in a real calculator 991 300 . It makes advanced calculator 991 become the most useful calculator for university and school.
Application includes some calculators inside:
- Basic calculator 300 plus
- Advanced calculator 115 plus
- Scientific calculator 991
- Scientific calculator 991 plus
- Graphing calculator 84 plus
Let's see some special features:
◉ Basic calculator 300 plus and 115 plus: supports from basic mathematics to advanced math functions: percentage, powers, roots, trigonometric, logarithms calculator. Fraction calculation 991 supports convert fraction to decimal, mixed fraction and solve fractions problems.
◉ Advanced calculator 115 plus: combines of hyper calculator and simple scientific calc. This calculator is a multi-functional advanced calculator 991 with all features in one app. Such as linear algebra, calculus, complex numbers, display result in rectangular and polar coordinates, matrix and vector.
◉ Scientific calculator 991 plus: includes smart equation solver. Equation solver can solve quadratic, cubic equations, systems of equations. Caluculator solves any polynomial. Smart scientific calculator 991 has exponent calculator contains scientific calculations such as derivative, integral, square root calculation, factorial calculation, pi calculation, equation solver.
◉ Scientific calculator 991: supports calculate with infinity number of digits, prime factors, random numbers, combinations, permutations, GCD and LCM. This calculator 991ex is a real engineering simulator. Scientific calculator has features of 500 es, 500 ms, 300 es plus, 991 es plus. Calculator keyboard layout same as calculator 300 es plus, 991 ex and es plus.
◉ Graphing calculator 84 plus supports function graph, polar, parametric and implicit function. Graphing calculator 84 can draw tangent, tracing, derivative, root, min and max. It simulates for graphing caluculator 83 and t1 84, 84 plus.
◉ Integral calculator 991 plus provide powerful calculator to calculate integrate, derivative, differentiation and integration.
◉ This scientific calculator 991 includes CAS (computer algebra system), which can perform symbolic calculation.
◉ Some other features: math formula, physics formula, unit conversion, theme, font and programming.}
Read more
Other
Additional Information
| Rating: | |
| Voted: | 53.93M |
| Google Play Link: | |
| Website: | |
| Email: | |
| Privacy Policy: | |
| Categories: | Education |
| Size: | - |
| iAP: | 0.99 - 4.99 $ |
| Installs: | 48.48M |
| App Age: | 5 years 7 months |
| Release Date: | May 01, 2020 |
| Last Update: | Aug 24, 2025 |
| Version: | 7.4.1.484 |
Version history
7.4.1.484
Aug 24, 2025
We appreciate all valuable feedback.<br>In this update, we added new features, fixed some problems and improved the math engine.<br>Thanks for using our app.
7.3.4.969
Apr 13, 2025
We appreciate all valuable feedback.<br>In this update, we added new features, fixed some problems and improved the math engine.<br>Thanks for using our app.