1)   StatAssist 2.0
StatAssist displays graphs and related properties of more than 40 probability distributions. It calculates statistical moments, quantiles, and tail probabilities depending on the distribution parameters specified by the user.

 2)   UltimaCalc Professional 3.1.805
Feature packed math package. Symbolic algebra; integrate and see explanation, differentiate, factorise polynomials. Solve linear and non-linear equations. Optimise an expression. Five kinds of regression / least squares fit. Plot functions.

 3)   Assessor for Teachers 6.1
Assess your students with style and save time. Assessor for teachers simplifies the processes of preparing assessment plans, marking assessment tasks, recording marks, analysing results and preparing reports