description to come.
This site has loads of different types of calculators, some of which are matrices and vectors, trig, calculus, algebra, sequences (inside the algebra section), functions and graphing, etc,
To come
This site allows you to do conformal mapping of functions of a complex variable (note that the site does not talk about functions of a complex variable but about non-linear 2D transformations).
In order to use the site you need to do some algebra beforehand:
wxMaxima is a freeware symbolic software package similar to Mathematica or Maple.
Description to come. Click on the image to go there.
CalcMe is an online symbolic maths software. it handles arithmetic, polynomials, stats, functions, basic and advanced calculus, basic linear algebra, and
elementary combinatorics.
This is a full/infinite/arbitrary precision calculator which comes from the website mathsisfun.com which contains stuff on algebra, data, geometry, measurements, numbers, along with puzzles and worksheets on maths pitched at school
level.
to come..