New features in GeoGebra
Release 4.0 has literally hundreds of additions and improvements. I will highlight some that I find interesting.
Calculus
o LeftSum
o RectangleSum
o LowerSum
o UpperSum
o Min
o Max
o Extremum
Statistics
o Gamma, InverseGamma,
o FDistribution, InverseFDistribution,
o TDistribution, InverseTDistribution,
o Cauchy, InverseCauchy,
o ChiSquared, InverseChiSquared,
o Exponential, InverseExponential,
o Weibull. InverseWeibull,
o Binomial, InverseBinomial,
o Pascal, InversePascal,
o Poisson, InversePoisson,
o HyperGeometric, InverseHyperGeometric,
o Zipf, InverseZipf,
Inequalities
Second Graphics window
Improvements to Interface
o nice preview
o palettes for constructions
o insertion of algebraic objects
o ggbBase64 encoding of ggb file in applet tag
o open webpage
New Objects
CAS