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Posted on Mar 29, 2009
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I need to know how to do logs with a hp 20 scientific calculator

I need to know how to use this calculator to do log problems I have no instructions

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k24674

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  • HP Master 8,093 Answers
  • Posted on Sep 27, 2009
k24674
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Hello,

12 [LN] gives 2.484906650 natural logarithm (ln) of 12
12 [LEFT SHIFT: blue] [LOG] gives 1.079181246 : common log of 12
Hope it helps

  • k24674 Dec 04, 2009

    Hello,

    12 [LN] gives 2.484906650 natural logarithm (ln) of 12
    12 [LEFT SHIFT: blue] [LOG] gives 1.079181246 : common log of 12
    Hope it helps

  • k24674 Jun 22, 2010

    12 [LN] gives 2.484906650 natural logarithm (ln) of 12
    12
    [LEFT SHIFT: blue] [LOG] gives 1.079181246 : common log of 12

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How do i change the base of a log
The calculator can only calculate logs to base e (ln) and ten (log).

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Mar 29, 2012 • Casio FX991ES Scientific Calculator
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How can i calculate log inverse with my fx-991ES plus
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I no longer have the manual of my HP 20S calculator and need to know how to do Log functions. Help!!
Please use the following link to download the manual for your calculator.
http://www.devicemanuals.com/guide/Calculator/HP/HP-20s-Scientific-Calculator-Owner's-Manual-==TVRFME5UWTE=.html
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