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log base e on calculator?

Hi,
not sure if this question should go here, but it's maths related :biggrin:. Simple question. How do I do Log base E on one of those standard CASIO (fx-83) scientific calculator. I can only get log base 10 (as that's the default). I'm sure it doesn't vary much model to model.
Thanks
Reply 1
its the ln button (natural log)
Reply 2
ln button.
Reply 3
Thanks for the super quick replies! As you can see, I'm not a mathematician by any stretch of the imagination :smile:
Reply 4
If you don't have that button, you can always enter

logxloge1\dfrac{\log x}{\log e^1}

(I use e1e^1 because not all calculators have a ee button)
Reply 5
SimonM
If you don't have that button, you can always enter

logxloge1\dfrac{\log x}{\log e^1}

(I use e1e^1 because not all calculators have a ee button)


the calculator he said he has does have it included, but good as an alternative

how would you enter e^1 if you dont have the e button? (might be a stupid question.....)
Reply 6
laura_beth
the calculator he said he has does have it included, but good as an alternative

how would you enter e^1 if you dont have the e button? (might be a stupid question.....)


My calculator has an exe^x button.
Reply 7
SimonM
My calculator has an exe^x button.


ah right, fair enough :o:

Just noticed mine has one too, funnily enough it's the same button which you use for ln :p:
amazing i have been trying to figure this out all day thank you soooo much

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