Apps similar to CalcuPage include SpeedCrunch, which is free and open source. Other options are Qalculate!, Hurmet, fxSolver and Numbat. There's no shortage of Calculators like CalcuPage, with more than 25 alternatives for Mac, the web, Windows, Linux and iPhone.
High-precision scientific calculator for Windows, macOS, and Linux, handling up to 50-digit calculations with complex numbers, units, constants, vectors, and matrices. It supports user-defined variables and functions, editable history, per-result formatting, and tabs.
Germany
EU
Qalculate! is a multi-purpose cross-platform desktop calculator. It is simple to use but provides power and versatility normally reserved for complicated math packages, as well as useful tools for everyday needs (such as currency conversion and percent calculation).
SwedenEU
Hurmet is a web-based rich text editor endowed with live calculations. With it, you can create documents that do calculations and preserve an easy-to-read record of your work.
Online math solver, equation editor and database, graphing calculator and science/engineering problem helper.
GermanyEU
High precision scientific calculator with full support for physical units (web and terminal versions).
GermanyEU
A simple but powerful notepad calculator which evaluates expressions as you type.
Numi is a handy calculator app for macOS. It allows to describe tasks the natural way and instantly get an accurate answer. For example, $20 in euro - 5% discount or today + 2 weeks. Numi is not limited to simple calculations, it can solve expressions of any complexity, with...
Russia
Free online scientific calculator from GeoGebra: perform calculations with fractions, statistics and exponential functions, logarithms, trigonometry and much more!
AustriaEU
Do you ever grab a calculator & the back of an envelope to work through an idea or problem that involves some math?
Australia
Calculator provides simple and advanced mathematical functions in a beautifully designed app.
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).
Next generation notepad-based calculator, built with extendibility and privacy in mind. Works on Windows, macOS and Linux.
