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This if calculator for complex numbers. It works with algebraic and trigonometrical form and has multiple memory slots. There are many mathematical functions like sin, cos and etc.
Ultimate Scientific Calculator (USC) is a program to perform calculations with extreme precision on both extremely large or small numbers, and provide too many built-in and user-defined functions and formulas.
KAlgebra is a MathML-based graphic calculator, thought to bring to the user its power by solving expressions written in MathML or calculating converted common equations to MathML. This project now belongs to KDE Edu. http://edu.kde.org
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LCalc is a calculator for logic expressions. It support all standard logic operators (and,or,not,xor,...) and any user-defined operators . Features include generation of value table from formula and vice-versa.
JCalc is a large Calculator written in Java. It support the standard basic opations (+,-,*,/) and the scientific calculator (sin, cos, tan, sqrt, ...). Calculate and translate with the different numbering systems. And it can solve simple equations.
A web browser based calculator written in HTML and JavaScript that will calculate the Variable Length Subnet Masking for your network. Simply enter your CIDR block address/mask and the number of addresses you need in each network, and it does the rest.
The Grade Point Average Calculator is a web-based script that will calculate a grade point average based on the American system. Currently including calculation options for high school; middle shool and college versions are in development.
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CryptoHawk can calculate hashes (md2,md4,md5,sha-1,sha-256 and hmac). It can also perform cryptanalysis like frequency analysis for substutition cipher and exhaustive key search for rotation cipher, as well as searching internet databases for md5 hashes.
Modeline calculator designed to calculate low resolution modelines for CGA, EGA, and VGA arcade monitors, NTSC and PAL televisions, and multisync PC monitors. Supports X11, fb, and AdvanceMAME modeline formats.
The project intends to develop an advanced scientific calculator which will be based on the GMP library. The calculator will have a GUI based on wxWidgets.
HorsePower is J2ME scientific calculator optimised for use on mobile phones, with the appearance of the classic range of Hewlett Packard calculators. (MIDP 1.0 & CLDC 1.0)
Traditional but powerful cross-platform calculator. It is written in python and it uses wxWidgets as GUI (project is developed with Boa Constructor). By use of SciPy the vaCalculator can solve linear systems, do math with polynomials, integration etc.
The ISOTOPIC PATTERN CALCULATOR is a small linux tool for mass spectrometry. It calculates the isotopic distribution for a given chemical formula or peptide sequence.
GIPS is a GUI Version of the Isotopic Pattern Calculator.
SACIC - Semi-Advanced Command Interpreting Calculator - is a small calculator application capable of evaluating mathematical expressions with arbitrary precision, handling variables, drawing graphs, solving equations and more. It also supports simple scr
GNAW is a command-line calculator. It is lightweight but yet powerful. It features advanced arithmetics, user-defined variables and a fully nestable syntax among other things.
Scapegoat Software's Erlang B calculator is just that, an Erlang B calculator. It was written in Lazarus under Windows as a small project to have a simple standalone calculator for different telecom projects. We are releasing it under the GNU GPL 2.0.
Pilot logbook flight time calculator, designed to perform quickly additions of your flight hours and minutes.
Written for aviation pilots it can be modified for many activities requiring lobook entries