Logarithms

[katiepoo]

Hi,
Im new here, and am not sure if im posting in the right forum, but we will soon see. I need to know the basics, very basics of logarithms...If someone believes they can explain it to me trough the internet, Id very much appreciate it!

Thanks!
CONFUSED! :confused:

[OfficeShredder]

Are you defining logarithms as the inverse of exponents?

http://www.lecb.ncifcrf.gov/~toms/paper/primer/latex/node2.html

looks like a nice place to start.

[HallsofIvy]

The "very basics" are:
1) logarithms are the "inverse" of exponentials: if y= log_a(x) then x= a^y and vice versa.

2) The "laws of logarithms"
i) log_a(xy)= log_a(x)+ log_a(y)
ii) log_a(x^y)= y log_a(x)

Memorize those.