- Write text, calculations, and annotations with the same ease as you would on paper or in a book.

Caligator is described as 'A kickass, open-source calculator that lets you do calculations and unit conversions naturally, with features like:' and is a Calculator in the education & reference category. There are more than 100 alternatives to Caligator for a variety of platforms, including Android, Windows, iPhone, Mac and iPad apps. The best Caligator alternative is SpeedCrunch, which is both free and Open Source. Other great apps like Caligator are Qalculate!, fxSolver, Numi and Soulver.

With MyScript Calculator, perform mathematical operations naturally using your handwriting.




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.




Calculator is a basic calculator application made by Apple Inc. and bundled with its macOS, iOS, and watchOS operating systems. It has three modes: basic, scientific, and programmer. The basic mode includes a number pad, buttons for adding, subtracting, multiplying, and...




handyCalc is a powerful calculator with automatic suggestion and solving which makes it easier to learn and use.





Calculator-inator is a Calculator & Converter for Android inspired from Google Calculator



Calzy is a beautiful modern calculator for your everyday use. It helps you perform your day to day mathematical calculation in a more elegant way.



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.




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...



Do you really need your calculator's on-screen number pad? (You know, the virtual keyboard?)




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.

