I'm trying to calculate the number of possible non-repeated permutations of these serial key styles.
I have no mathematical background and cannot read formulas, which is why I'm struggling with other online literature about this.
If someone could either let me know how many for each, or how I might calculate it, I'd be very grateful.
The character set is 24 uppercase letters, and 8 numbers. (removing I, O, 0, 1)
1) 7FB-E48-W60 2) J5VR-CN4E-GWG8 3) Q5YJ-NMZN-RF48-GSW4 4) H6EFA-N6H7O-08WW8-0S4SC-4K4S8
Thanks very much.