This is the KAlgebra homepage. KAlgebra is a mathematical calculator based content markup MathML language. Nowadays it is capable to make simple MathML operations (arithmetic and logical) and representate 2D and 3D graphs. It is actually not necessary to know MathML to use KAlgebra.

This project is currently under development. Will have news soon :). You have some screenshot and information here if you want to see what I am working on. You will find some information into the KDE-Apps.org KAlgebra web page.

Project state:
Whole KAlgebra has been rewritten. The calculation module has been rethought and now is much faster (something like 90%). Qt version has been updated to Qt4 so now we can profit from its advantages, now 2D graph are nicer, we can compile MacOS and Windows version... This is a BETA version for the moment, you can try it as you can see below. Qt 4.2.0 is needed.

These are my goals:

• Have a _good_ simplification option
• Set support (vector and matrix too)
• Make a coherent GUI. -- in progress
• Move to cmake --> when we move to KDE4
Here we have some screenshots where we can see how is it evolving.

MathML Content Markup calculation standard support: (Strong means supported, here we have deprecated operation too)
• Token elements: cn, ci, csymbol.
• Basic content elements: apply, reln, fn, interval, inverse, sep, condition, declare, lambda, compose, ident, domain, codomain, image, domainofapplication, piecewise, piece, otherwise.
• Arithmetic, algebra and logic: quotient, factorial, divide, max and min, minus, plus, power, rem, times, root, gcd, and, or, xor, not, implies, forall, exists, abs, conjugate, arg, real, imaginary, lcm, floor, ceiling.
• Relations: eq, neq, gt, lt, geq, leq, equivalent, approx, factorof.
• Calculus and vector calculus: int, diff, partialdiff, lowlimit, uplimit, bvar, degree, divergence, grad, curl, laplacian.
• Theory of sets: set, list, union, intersect, in, notin, subset, prsubset, notsubset, notprsubset, setdiff, card, cartesianproduct.
• Sequences and series: sum, product, limit, tendsto.
• Elementary classical functions: exp, ln, log, sin, cos, tan, sec, csc, cot, sinh, cosh, tanh, sech, csch, coth, arcsin, arccos, arctan, arccosh, arccot, arccoth, arccsc, arccsch, arcsec, arcsech, arcsinh, arctanh.
• Statistics: mean, sdev, variance, median, mode, moment, momentabout.
• Linear algebra: vector, matrix, matrixrow, determinant, transpose, selector, vectorproduct, scalarproduct, outerproduct.
• Semantic mapping elements: annotation, semantics, annotation-xml.
• Constant and symbol elements: integers, reals, rationals, naturalnumbers, complexes, primes, exponentiale, imaginaryi, notanumber, true, false, emptyset, pi, eulergamma, infinity.

Where can I get it?
• Compile from source code, you can get it here.
• Install a package, you can find some in KDE-Apps KAlgebra section. The package you must use depends on your distribution.
• If you use GNU/Debian Etch or (K)Ubuntu Dapper (universe) you can pick it up from the official repositories.
• Install from a repository. You can install from a repository too, for debian you can choose: http://repos.knio.it/. If another repository has added a KAlgebra package, tell me and I'll add it here.
• Get source code from svn, can be done like this:

  svn checkout svn://svn.berlios.de/kalgebra/trunk

• If you want to try the new BETA version you'll have to check svn. For instructions here.

If you want to contact me, you can mail me in aleixpol{at}gmail{dot}com or contact me on Jabber aleixpol{at}kdetalk{dot}net.