kalker is described as 'A calculator with syntax highlighting that supports user-defined variables and functions, math-like syntax, and some more advanced operations such as derivation and integration (estimate), and complex numbers' and is a Calculator in the education & reference category. There are more than 25 alternatives to kalker for a variety of platforms, including Windows, Android, iPhone, Linux and Mac apps. The best kalker alternative is Wolfram Alpha, which is free. Other great apps like kalker are SpeedCrunch, Qalculate!, Numbat and Numara Calculator.
Wolfram Alpha is a "Computational Knowledge Engine" - different from a search engine, it answers factual queries directly by computing the answer from structured data, rather than providing a list of documents or web pages that might contain the answer.
SpeedCrunch is a free, fast, high precision open source algebraic calculator with an intuitive interface and many features, such as variables, syntax highlighting, functions, persistent input history & more.
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).
High precision scientific calculator with full support for physical units (web and terminal versions).
Calculator provides simple and advanced mathematical functions in a beautifully designed app.
Free online scientific calculator from GeoGebra: perform calculations with fractions, statistics and exponential functions, logarithms, trigonometry and much more!
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.
Qaltex is a tape-like calculator with straightforward interface and a lot of features. It is inspired by many other similar applications, but solves their disadvantages and at the same time it is empowered with some unique options and widgets.
Calculator is an application that solves mathematical equations and is suitable as a default application in a GNOME Desktop environment.
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 States
Germany
EU
Sweden
Austria
United Kingdom