2010/4/19 arthur bryant <[email protected]>: > Where do I get the imput for the symbol between the 3 and 4.
I assume that was a question even though there was no question mark. The answer is that it depends on your keyboard layout which depends on your language and/or country settings. What country or language represents your keyboard layout? Regards Johnny Rosenberg > I do not find it on my computer so how do I get it into a program? Also >being the inverse, would dividing 1 by the already determined log produce it? > > > > ----- Original Message ---- > From: Brian Barker <[email protected]> > To: [email protected] > Sent: Sun, April 18, 2010 5:26:35 PM > Subject: Re: [users] anti-logs > > At 14:04 18/04/2010 -0700, Arthur Bryant wrote: >> A spreadsheet has a number raised to a specified power. Thus 3 to the >> fourth power would be 3 x 3 x 3 x 3 equals 81. If there are many such >> multiplications it is better to use logs. Thus the log of 3 would be >> multiplied by 4. The answer would have the anti-log produce 81. The log is >> available but the anti-log of the answer is required to produce the numeric >> answer. How can the spreadsheet be directed to produce the anti-log to >> allow this? > > The logarithm function is the inverse of the exponential function: the > definition of the logarithm of a number is the power to which the base has to > be raised to give that number. So what mathematical tables used to call an > "antilogarithm" was simply an exponential. The inverse of LOG10() is > ten-to-the-power; the inverse of LN() is e-to-the-power, or EXP(). > > But you are making work for yourself here: you can raise 3 to the power 4 in > a spreadsheet like Calc more simply using > = 3 ^ 4 > > I trust this helps. > > Brian Barker > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [email protected] > For additional commands, e-mail: [email protected] > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [email protected] > For additional commands, e-mail: [email protected] > > --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
