Numbat is a high precision scientific calculator with full support for physical units. It’s free and open source software written in Rust.
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Squiid – advanced calculator
Squiid is billed as an advanced calculator. It sports a terminal user interface supporting both RPN and algebraic input.
Read moreabacus – simple interactive calculator CLI
Abacus is a simple interactive calculator CLI with support for variables, lambdas, comparison checks, and math functions.
Read moreinsect – high precision scientific calculator supporting physical units
insect is a high precision scientific calculator. It offers a web version that needs no installation, as well as a command line version.
Read moreNonpareil – microcode-level simulator for electronic calculators
Nonpareil is a microcode-level simulator for electronic calculators. The software simulates HP calculators introduced between 1972 and 1982.
Read morerpCalc – Python based RPN calculator
rpCalc is a simple RPN (Reverse Polish Notation) calculator for the X Window System. The software works much like an HP calculator.
Read moregalculator – algebraic and RPN calculator
galculator is a scientific calculator supporting algebraic mode as well as Reverse Polish Notation (RPN).
Read moreCalculator – solves mathematical equations
Calculator is an application that solves mathematical equations. It’s simple and easy to use.
Read moreExtcalc – scientific graphic calculator
Extcalc is a scientific graphic calculator. It’s able to process difficult mathematical functions, to draw graph and to work with them.
Read moreKCalc – scientific calculator
KCalc provides advanced modes for scientific, statistical and numeral system calculations.
Read moreSpeedCrunch – high-precision scientific calculator
SpeedCrunch is a fast, high precision and powerful desktop calculator. SpeedCrunch is easy to use.
Read moreGenius Mathematics Tool – general purpose calculator
Genius Mathematics Tool (Genius) is a general purpose calculator program similar in some aspects to BC, MATLAB or Maple.
Read moreQalculate! – a multi-purpose cross-platform desktop calculator
Qalculate! is a very powerful and easy to use open source desktop calculator. This utility is small and simple to use.
Read moreBest Free and Open Source Alternatives to Apple Calculator
Apple’s Calculator app lets users perform basic arithmetic calculations with the standard calculator. With the scientific calculator you can also perform exponential, logarithmic, and trigonometric functions.
Read more11 Best Free Linux Graphical Calculators (Updated 2023)
One of the basic utilities supplied with any operating system is a desktop calculator. We cover the best graphical tools.
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