On 04/19/2010 04:27 PM, Brian Barker wrote: > At 10:08 19/04/2010 -0700, Arthur Bryant wrote: >> Where do I get the input for the symbol between the 3 and 4. I do >> not find it on my computer so how do I get it into a program? > > It will be on your keyboard - as others have already explained. > >> Also being the inverse, would dividing 1 by the already determined >> log produce it? > > No: you are mixing up different senses of "inverse"! The logarithm > function is the inverse of the antilogarithm or exponential function > in the sense that it is the function which does the opposite - that > undoes what the other function does. And this idea works both ways, > so that the exponential function is also the inverse of the logarithm > function. > > Yes: it's true that the reciprocal function - one over x - is > sometimes known as the "inverse" of x. But that doesn't mean that the > reciprocal function is the inverse of all other functions. In fact, > the reciprocal (or "inverse") function is its own inverse! > > Brian Barker > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [email protected] > For additional commands, e-mail: [email protected] > > 81^(1/4) = 3 Type 81 in A1 (or whatever cell) Type 4 in A2 (or whatever cell) Type =POWER(A1;1/A2) in A3 Type =POWER(A3;A2) in A5 The answer in A5 should equal the answer in A1. HTH!
Tom -- "PC, "Where would you like to go today?" ... Mac, "Where would you like to be tomorrow?" ... Linux, "Are you guys coming, or not?"" --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
