Apps similar to Calculator Plus include SpeedCrunch, which is free and open source. Other options are Fossify Calculator, OpenCalc, CalcYou and NerdCalci. Calculators like Calculator Plus are a crowded field, with more than 50 alternatives for Android, Windows, the web, iPhone and iPad.
A simple yet powerful calculator that includes standard, scientific, and programmer modes, as well as a unit converter. It's the perfect tool to add up a bill, convert measurements in a recipe or other project, or complete complex math, algebra, or geometry problems.
United States
galculator is a GTK 2 / GTK 3 based calculator with ordinary notation/reverse Polish notation (RPN), a formula entry mode, different number bases (DEC, HEX, OCT, BIN) and different units of angular measure (DEG, RAD, GRAD).
Calculator++ is an advanced, modern and easy to use scientific calculator.
Russia
Mathway provides students with the tools they need to solve their math problems. With tens of millions of problems already solved, Mathway is the #1 online problem solving resource available for students, parents, and teachers.
United States
A calculator with the basic functions and a customizable widget.
Israel
MathSolver (mathsolver.top), a 100% FREE AI math solver offering personalized tutoring. Helper Mode provides step-by-step solutions; Learner Mode gives hints accompanied with knowledge points, to guide users to solve problems by themselves.
RealCalc Scientific Calculator Android's #1 Scientific Calculator. A fully featured scientific calculator which looks and operates like the real thing. Looking for fractions? Degrees/minutes/seconds? Landscape mode? You need RealCalc Plus. See elsewhere on this page for the l.
United Kingdom
PCalc is the powerful choice for scientists, engineers, students, programmers, or indeed anybody looking for a feature rich calculator. It includes an optional RPN mode and multi-line display, a choice of button layouts, an extensive set of unit conversions and constants, a...
United Kingdom
Calcbot is a simple and beautifully designed calculator for your iPhone, iPod touch and iPad. You’ll never open the built-in Calculator app again.
United States
China
Kalk is a convergent calculator application built with the Kirigami framework. Although it is mainly targeted for mobile Linux platforms, it can also be used on the desktop.
Germany
EU
OpalCalc is a brand new type of calculator for the PC. As easy to use as Notepad or a word processor, OpalCalc allows natural language in the sum and multi-line support so you can go back and adjust your previous calculations on the fly.
