Scientific calculator plus 991 is an education app from Tools for student. Advanced scientific calculator 991 plus. Includes simulator 115 and 300 plus. It currently holds a 4.8-star rating on Google Play, based on 552,143 user reviews.
App Details
| Developer | Tools for student |
|---|---|
| Version | 5.4.4.229 |
| Size | 25 MB |
| Content Rating | Everyone |
| Installs | 50M+ |
| Rating | 4.8 / 5 (552,143 reviews) |
| Updated | Feb 9, 2026 |
Screenshots
About Scientific calculator plus 991
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.
What makes Scientific calculator plus 991 stand out
Scientific calculator plus 991 has 50M+ installs to date. That puts it among the more widely adopted apps in its category. Scale at that level usually signals stable performance and a responsive development team. The 4.8-star aggregate is built on 552,143 real user reviews. That sits well above the average for the education app genre. Scores like this appear when a product hits its core promise consistently.
Scientific calculator plus 991 specifications and compatibility
The current build is version 5.4.4.229. The developer last updated it on Feb 9, 2026. The download size is 25 MB. That installs quickly even on a moderate mobile connection. Google Play classifies the content as Everyone.
Frequently asked questions
Is Scientific calculator plus 991 free to download?
Yes, Scientific calculator plus 991 is available as a free download on Google Play and as a free APK on this page. The APK is the official, unmodified build pulled directly from the developer.
How many people have downloaded Scientific calculator plus 991?
Scientific calculator plus 991 has been downloaded 50M+ times from Google Play, putting it among the more widely adopted education apps in its category.
Is the Scientific calculator plus 991 APK safe to install?
Yes. The APK on this page is the original, unmodified build from Tools for student, pulled directly from the Google Play Store with no third-party modifications. It carries the Everyone content rating Google assigns on Play.
How big is the Scientific calculator plus 991 APK?
The Scientific calculator plus 991 APK is 25 MB in size, which downloads quickly on most mobile and Wi-Fi connections.
What is the latest version of Scientific calculator plus 991?
The current build of Scientific calculator plus 991 is version 5.4.4.229, last updated by the developer on Feb 9, 2026. This page automatically tracks new releases as the developer ships them.
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