Question about Casio FX-300MS Calculator
There is nothing special for the natural logarithm: you use the [LN] key.
You press [LN] , enter the number, then hit [=].
Here you have a negative 100, you must use the change sign (-)
[(-)] 100 [+] 88[*] [LN] 80 [=] The result is 285.6183439
Hope it helps.
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Posted on Dec 10, 2009
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Posted on Jan 02, 2017
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