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Question About Casio Calculator fx-991MS
finding log(base2)...

i need keys to find log_ (-=2) i.e log2

Asked by sandy on 05/18/2008 6  Answers

ManualsOnline posted an answer 15 years, 11 months ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here

Chris posted an answer 15 years ago

4 The calculator must be in MATH mode. Press the log button as described in the manualthen 2 then the right arrow and the number you need then = Easy when you know how.. the manuals with these are hopeless.
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detra posted an answer 11 years, 4 months ago

4 log x / log2 were log 2 is the base
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Jaanaka posted an answer 9 years, 3 months ago

3 ooh! my friend,..you can't find directly this using fx-991MS. So you can follow this, A workaround consists in using the relation log in base b of a number a (log_b (a)) log_b(a)= (log_10(a) ) / (log_10 (b)) or the relation log_b(a)= ln(a)/ln(b) log_2(0.3)=log(0.3)/log(2) where log is log in base 10 Similarly log_2(0.3)=ln(0.3)/ln(2) thank you...
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peter posted an answer 14 years, 10 months ago

2 no direct function is available u can use Logarithm Base Conversion rule
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