Powerful and extensible computer system for scientific and technical calculations. No matter if you are a school student or recognized scientist, Algebrus serves your needs. It is easy to use and interactive means of solving problem in various areas of expertise. Console based scientific calculator, 2D and 3D graphs plotter, differential, algebraic and polynomial equation solver, unit converter, physical constants reference, statistical analysis, data fitting, programming environment, and many more. Or just simple ???evaluate-while-typing??? calculator for your everyday arithmetics. If it doesn???t have something needed, you can use built-in integrated syntax-highlighted XPascal programming environment to create your own routines and libraries, define your own types and operators.
Features:

Calculations and programming with vectors, matrices, complex numbers, fractions, quaternions, and polynomials
2D and 3D graphic plots and charts of functions and data
Lines, scattered data, vector fields, contour plots, heights map, and meshes
Parametric lines, histograms, error plots, spectrums, bar and pie charts
Ordinary differential equations solving
Linear algebraic equation system solving
Statistical data analysis, data interpolation and fitting, Fourier and spectrum analysis
Local and global multi-variable optimization
Solving polynomial equations and finding polynomial extremums
More than 250 built-in mathematical and analysis routines
Data import-export to and from files, clipboard, serial ports
More than 100 fundamental physical constants
Calculation of different geometrical figures
Converting to and from many dimensions of 20 different physical quantities
Interactive user interface for function evaluation and graph plotting
Spreadsheet editor
Exporting graphics in standard raster and vector formats
"Evaluate-while-typing" mode and different integer formats
Syntax-highlighted XPascal editor, command console, expression editors