Statistics

G¥Power 2.1.1                

Perform high-precision statistical analyses for the most common statistical tests in behavioral research. The power values obtained by "accuracy mode" calculations are correct to up to five significant digits. Computes power values for given sample, and effect sizes with alpha and beta levels and ratios. It even displays the relationship between any two relevant variables.   
Education-> Volume 228/August '96            

SuperGraph 1.1.1              

Graph implicit and explicit functions 
This is an excellent program for studying economics trends. SuperGraph makes it easy to graph implicit expressions, ones that cannot be easily solved for X or Y.  
* Supports balloon help 
* Edit X, Y values 
(Application by Mike Epstein) 
Business-> Volume 229/September '96          
Education-> Volume 229/September '96