JPSem

ur right theres not, only for 2 variable historical data. But thats good enough.

BA II + Can do:

1 variable with prob (std dev of pop, std dev of sample, mean & of course variances)
1 variable historical (std dev of pop, std dev of sample, mean & of course variances)

2 variable historical (std dev(s) of pop, std dev(s) of sample, mean(s), variance(s) and CORR, and thus covarience can be computed in 10 sec)