Scientific Calculator

Scientific Calculator

Dark/Light Mode
Calculation History
Fast Performance

Why choose Scientific Calculator

Streamline your life with Scientific Calculator today!

Fast Performance

Delivers quick and accurate calculation results with smooth operation

Basic Arithmetic

Performs fundamental mathematical operations like addition, subtraction, multiplication and division

Advanced Functions

Includes scientific and engineering calculations for more complex mathematical needs

Reviews about Scientific Calculator

Discover our users' feelings and comments.
I've been using Scientific Calculator for a while, and it’s amazing! The design is intuitive, and the features work seamlessly.
User 1
User 1
Feb 1, 2026
I can't get enough of Scientific Calculator! It’s fun and engaging. It’s worth every download!
User 2
User 2
Jan 21, 2026
Scientific Calculator has greatly enhanced my experience. The performance is top-notch. Five stars from me!
User 3
User 3
Jan 7, 2026

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FAQs about Scientific Calculator

Browse the most frequently asked questions that you may interested in.

What are the main calculator modes available in Scientific Calculator Plus 991?

The app includes multiple calculator modes: Basic Calculator 300 Plus, Advanced Calculator 115 Plus, Scientific Calculator 991, Scientific Calculator 991 Plus, and Graphing Calculator 84 Plus. Each mode offers different levels of functionality for various mathematical needs.

What are the key features available in Scientific Calculator Plus 991?

Key features include basic arithmetic operations, trigonometric functions, logarithms, roots, equation solving (quadratic/cubic), complex number calculations, matrix operations, vector calculations, derivatives, integrals, factorial calculus, and graphing capabilities.

Does Scientific Calculator Plus 991 require an internet connection?

No, the app runs locally on your Android device and does not require a constant internet connection. You can calculate, graph, and solve equations offline after installation.

Is there a tutorial available for new users?

The app is designed for experienced calculator users and doesn't come with its own tutorial. New users might find it challenging to understand button functions and additional commands like SHIFT or Scientific Constants without prior knowledge.

What display modes are available in the calculator?

The calculator offers multiple display modes including rectangular and polar coordinates, natural display for mathematical expressions, and supports both light and dark modes for user comfort.

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