Algebrus descriptions Powerful & extensible computer system for scientific & technical calculations. No matter if you are a school student or recognized scientist Algebrus serves your needs. It is easy to use & interactive means of solving problem in various areas of expertise. Console based scientific calculator 2D & 3D graphs plotter differential algebraic & polynomial equation solver unit converter physical constants reference statistical analysis data fitting programming environment & 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 & libraries define your own types & operators. - Calculations & programming with vectors matrices complex numbers fractions quaternions & polynomials - 2D & 3D graphic plots & charts of functions & data - Lines scattered data vector fields contour plots heights map & meshes - Parametric lines histograms error plots spectrums bar & pie charts - Ordinary differential equations solving - Linear algebraic equation system solving - Statistical data analysis data interpolation & fitting Fourier & spectrum analysis - Local & global multi-variable optimization - Solving polynomial equations & finding polynomial extremums - More than 250 built-in mathematical & analysis routines - Data import-export to & from files clipboard serial ports - More than 100 fundamental physical constants - Calculation of different geometrical figures - Converting to & from many dimensions of 20 different physical quantities - Interactive user interface for function evaluation & graph plotting - Spreadsheet editor - Exporting graphics in standard raster & vector formats - Evaluate-while-typing mode & different integer formats - Syntax-highlighted XPascal editor command console expression editors