Apps similar to KCalc include SpeedCrunch, which is free and open source. Other options are Qalculate!, Calculator You, fxSolver and Numbat. Calculators like KCalc are a crowded field, with more than 50 alternatives for Android, Windows, the web, Mac and iPhone.
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.
Poland
EU
Calcul.io offers realtime calculator with notepad like interface and advanced features like unit conversions, currency rates or date time math.
HungaryEU
CalcTape is a revolutionary new kind of pocket calculator. With CalcTape, also extensive calculations remain clearly structured. CalcTape makes the arithmetic process visible - you can generate intermediate results and subsequently correct or change all numbers and operations.
GermanyEU
With MyScript Calculator, perform mathematical operations naturally using your handwriting.
FranceEU
A graphical scientific calculator that is easy to use and has some advanced functionality such as vector arithmetic and variable solving.
handyCalc is a powerful calculator with automatic suggestion and solving which makes it easier to learn and use.
A kickass, open-source calculator that lets you do calculations and unit conversions naturally, with features like:
Programmable scientific calculator which has more than 150 mathematical functions and all of them return as many digits as you need. It can calculate with real numbers, complex numbers, fractions, vectors, matrices. Commands if, goto and print can be used to create scripts.
CzechiaEU
MATH 42 helps over 2.200.000 middle-school, high-school and college students, to solve their math problems and get better grades at the fraction of the cost of a private tutor. MATH 42 helps with (1) intelligent approaches to the solution, (2) step-by-step solutions of their...
GermanyEU
Sicyon is an all-in-one scientific calculator for every student or professor, researcher or developer - everybody doing physics or chemistry / science or engineering using formulas and tables of constants.
HEXelon MAX is a science calculator. It solves math expressions like: Sin(Pi)-Root(-8;3)+3. Exchange rates table and currency converter are update from Internet by one click. Units converter makes easier to convert various units,14 categories of units: length, temperature...
PolandEU
