Install kcalc by entering the following commands in the terminal:
sudo apt update sudo apt install kcalc
Description:
simple and scientific calculator
KCalc is a scientific calculator. . KCalc provides: * Trigonometric functions, logic operations, and statistical calculations * Calculation in decimal, hexadecimal, octal, and binary bases * Memory functions for storing results * A comprehensive collection of mathematical constants . This package is part of the KDE Utilities module.
Homepage: http://www.kde.org/
Version: 4:17.12.3-0ubuntu1
Section: universe/utils