TCount(a;b) counts how many times are entered in the results with ID a to b.
e.g. TCount(1;10) - returns how many times are entered in the Results with ID from 1 to 10
TCountIf()
TCountIf(a;b;c;d) counts how many times in the results a to b are greater than or equal to c but less than or equal to d, where c and d are times entered as seconds.
e.g. TCountIf(21;25;25200;36000) - Counts the number of times in Result IDs 21 - 25 which are greater than or equal to 25200s (07:00:00) and less than or equal to 36000 (10:00:00)
TTCount()
TTCount(a;b) takes an arbitrary list of result IDs and counts how many times are entered in those results
e.g. TTCount(10;20;30;40) - returns how many times are entered in the Results with IDs 10,20,30 & 40