Wouldn't that be 1/* ;)
On 21/04/09 11:18 AM, "Randall Reetz" <[email protected]> wrote: > I found this symbol... "/" Very cool! Inverse of multiply! > > -----Original Message----- > From: "Randall Reetz" <[email protected]> > To: "How to use Revolution" <[email protected]> > Sent: 4/20/2009 6:08 PM > Subject: RE: convert to scientific notation > > I need to sleep or go back to grade 3. Sorry everyone. Dont report me to the > math authorities! > > -----Original Message----- > From: "Randall Reetz" <[email protected]> > To: "How to use Revolution" <[email protected]> > Sent: 4/20/2009 5:46 PM > Subject: RE: convert to scientific notation > > You are correct brian. Sorry. But i know when i was younger and smarter i > had an equasion that converted a number to scientific notation without > counting digits. Used the power "^" function somehow. > > -----Original Message----- > From: "Brian Yennie" <[email protected]> > To: "How to use Revolution" <[email protected]> > Sent: 4/20/2009 5:31 PM > Subject: Re: convert to scientific notation > > Randall, > > You want the nth root and you are doing it correctly, but have a false > assumption (the 10th root of 100 is NOT 2). I showed how to derive > 10^x = 100, which is more relevant to scientific notation. Scientific > notation does not involve taking the 10th root of a number, which I > why I figure you are confused. > > Example: 2,098,000 = 2.098 x 10 ^ 6 > > No 10th roots involved, in fact you can just count digits. > >> Not confused by what i mean. How do i get the nth root of a number? >> >> -----Original Message----- >> From: "Brian Yennie" <[email protected]> >> To: "How to use Revolution" <[email protected]> >> Sent: 4/20/2009 5:03 PM >> Subject: Re: convert to scientific notation >> >> Randall, >> >> I think you are confusing two different concepts. >> >> 10^2 = 100, not 2^10 = 100. >> >> What you want is something like this: >> >> Step 1) 10^x = 100 >> Step 2) log 10^x = log 100 >> Step 3) x log 10 = log 100 >> Step 4) x = log 100 / log 10 >> >> In short, you need to use logarithms and you'll get a formula where x >> = log y / log z. >> >> If you were trying to solve x^10 = 100, then you could do what you >> suggest and just raise both side to the (1/10)th power. But that >> number will not be 2 -- it's about 1.58. >> >> >>> I can't remember how to use power function "^" to find the nth root >>> of a number. To find the 2ndth root of a number we can use the >>> "sqrt()" function. But to find the nth root???? >>> >>> For instance, lets say I want to convert a number to scientific > > > [truncated by sender] > _______________________________________________ > use-revolution mailing list > [email protected] > Please visit this url to subscribe, unsubscribe and manage your subscription > preferences: > http://lists.runrev.com/mailman/listinfo/use-revolution _______________________________________________ use-revolution mailing list [email protected] Please visit this url to subscribe, unsubscribe and manage your subscription preferences: http://lists.runrev.com/mailman/listinfo/use-revolution
