Think calculator for Finance, Math, Geometry, Converter, Physic & Chemistry, Webtoolsm Date and time and more

KCalc is described as 'The software calculator integrated with the KDE Software Compilation' and is a Calculator in the education & reference category. There are more than 50 alternatives to KCalc for a variety of platforms, including Windows, Android, Web-based, Mac and iPhone apps. The best KCalc alternative is SpeedCrunch, which is both free and Open Source. Other great apps like KCalc are Qalculate!, fxSolver, Numbat and Numi.
Think calculator for Finance, Math, Geometry, Converter, Physic & Chemistry, Webtoolsm Date and time and more

Solve Derivatives using our free online calculator. Calculate double and triple integrals and get step by step explanation for each solution.

Free scientific calculator which saves you time and frustration by providing unique easy to use tools.




A calculator for Android.
Algebraic entry. Full on-screen history (multi-line display). Use your phone's keyboard or on-screen buttons. Usual functions: trig, log, etc. Parentheses. Copy to clipboard.


Console Calculator is a powerful calculator with a simple console interface. This calculator supports many built-in mathematical functions, remembers recent entries, supports creation of user defined variables and custom functions.



Omni Calculator is a web/mobile calculator that solves concrete problems such as mortgage payment, gross margin, body mass index, break-even point, etc. It's very user-friendly, flexible and usable on web, mobile and as an embeddable web widget.




ESBCalc is a Freeware Scientific Calculator for Windows with Infix Notation, Brackets, Scientific Functions (Trigonometric, Hyperbolic, Logarithmic - including Base 10, Base 2 & Natural - plus more), Memory, Paper Trail, Result History List and more.

TTCalc is an open source bignum mathematical calculator. It features arithmetical functions, trigonometric functions, inverse trigonometric functions, hyperbolic functions, inverse hyperbolic functions, logical operators, logarithms, functions for converting between degrees and...



Frink is a practical calculating tool and programming language designed to make physical calculations simple, to help ensure that answers come out right, and to make a tool that's really useful in the real world.


Simple yet very effective calculator with print capabilities and log registration.

Power calculator for Android. Has Calculus, Algebra, 2D/3D Graphing and other features.



Moffsoft FreeCalc is the ideal replacement for your standard Windows calculator - with adjustable size, visible memory value and digit groupings, this free calculator software is a simple and intuitive tool.



