PDA

View Full Version : Easy Math Question



MethodMan
10-23-2003, 09:43 AM
Im trying to figure this out.

20 = 10 log 10(S/N)
Answer is 100.

How can I do this on my calculator?

Thanks

//As you can tell Im not very good with logs

whistlenm1
10-23-2003, 10:00 AM
20 = 10 log 10 (s/n); 1og 10 - meaning common log = log

20/10 = log (s/n)

2 = log (s/n)

10^2 = 10^(log (s/n)); inverse log = 10^x (cancels) - here x = 2.

100 = (s/n)

Looks about right! :D