Easy Math Question

This is a discussion on Easy Math Question within the A Brief History of Cprogramming.com forums, part of the Community Boards category; Im trying to figure this out. 20 = 10 log 10(S/N) Answer is 100. How can I do this on ...

  1. #1
    Microsoft. Who? MethodMan's Avatar
    Join Date
    Mar 2002
    Posts
    1,198

    Easy Math Question

    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
    -MethodMan-

    Your Move:Life is a game, Play it; Life is a challenge, Meet it; Life is an opportunity, capture it.

    Homepage: http://www.freewebs.com/andy_moog/home.html

  2. #2
    Registered User whistlenm1's Avatar
    Join Date
    Jan 2002
    Posts
    124
    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!
    Last edited by whistlenm1; 10-23-2003 at 10:08 AM.
    Man's mind once streched by a new idea, never regains its original dimensions
    - Oliver Wendell Holmes

    In other words, if you teach your cat to bark (output) and eat dog food (input) that doesn't make him a dog. It would have to chase cars, chew bones, and have puppies before I'd call it Rover ;-)
    - WaltP

Popular pages Recent additions subscribe to a feed

Similar Threads

  1. a simple math question
    By chunlee in forum C Programming
    Replies: 3
    Last Post: 11-10-2004, 06:04 AM
  2. Discrete Math question
    By theoddmonkey in forum Tech Board
    Replies: 2
    Last Post: 07-01-2004, 08:41 AM
  3. Math Question, hard
    By Yoshi in forum A Brief History of Cprogramming.com
    Replies: 34
    Last Post: 12-08-2001, 10:58 AM
  4. Question involving using math operations...
    By Screwz Luse in forum C Programming
    Replies: 6
    Last Post: 12-04-2001, 04:20 PM

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21