Scientific calculator plus 991 is an Android app in the Education category. It works as a pocket calculator emulator and provides a set of calculator features on a phone. The app is developed by Tools for student, and this version is 7.6.0.22.
The app is built around an interface that resembles widely used pocket calculators. It includes modes for basic, advanced, and scientific calculations, and it supports a range of mathematical operations. This release is marked as Premium Unlocked.
Calculator Interface and Modes
The interface is designed to match popular calculators such as the 300 Plus and 115 Plus. According to the source, the design follows those calculators in detail, from the results screen to the numbers and functions shown. Users can switch the interface to different calculator types, including basic, advanced, and scientific calculators with advanced functions.
Core Calculation Features
Numbers are entered on the keyboard and appear on the screen. From there, the app supports calculations such as addition, subtraction, multiplication, division, and percentage. It also provides advanced math operations including square root, square, Log, and other math operations and smart functions. After entering a calculation, pressing the equal sign displays the result on the screen. The app also includes features for saving results and performing consecutive calculations.
Equation Solving and Advanced Math
The app can be used for complex math problems. The source states that it provides features to solve equations and to find maximum and minimum values. It also includes other tools intended for completing complex math questions and exercises. The source describes solving problems such as quadratic equations as difficult and time-consuming without a calculator, and states that the app makes these tasks simple and quick.
Result Formats and Coordinate Axes
Results can be displayed in different formats. A change result feature on the interface lets users view answers as decimal, fraction, DMS, and Polar. Each format represents the calculated answer differently. When solving equations, users can also view coordinate axes charts. The source describes these charts as extremely accurate and states that they help with solving problems related to graphs of each type of equation.
MOD Features
Version and Package Details
The app version is 7.6.0.22. The package name is advanced.scientific.calculator.calc991.plus. The listed size is 26M. A source file variant is available as an APK named CalcES v7.6.0.22 (Premium).apk with a size of 38.5MB.
MOD Info
Premium Unlocked
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