B Bernard Liengme May 7, 2007 #2 If x=10^y (as in 100 = 10^2) The we say Log(x) = y (as in log(100) =2) So if I know y I can find x: X = 10^y (if I know y=2 then x = 10^2 = 100) If you are playing with natural logs: x = exp(y) ln(x) = y If I know y then x is found with =EXP(y) best wishes
If x=10^y (as in 100 = 10^2) The we say Log(x) = y (as in log(100) =2) So if I know y I can find x: X = 10^y (if I know y=2 then x = 10^2 = 100) If you are playing with natural logs: x = exp(y) ln(x) = y If I know y then x is found with =EXP(y) best wishes
S Stan Brown May 8, 2007 #3 Mon, 7 May 2007 11:52:02 -0700 from Andre Costin Is there an antilogarithm calculating function in Excel? Click to expand... Yes. It's 10^A1 for antilogs base 10, and exp(A1) for antilogs base "e" (natural logs).
Mon, 7 May 2007 11:52:02 -0700 from Andre Costin Is there an antilogarithm calculating function in Excel? Click to expand... Yes. It's 10^A1 for antilogs base 10, and exp(A1) for antilogs base "e" (natural logs).