Casio FX-100AU

posted by racjon89 on Aug 23, 2008

Is there something wrong with my calculator?

Trying to use the log function...

what sequence do I press to solve...

20log (2/10mv) to get the textbook answer of 46db?

Thanks

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Solution #1

posted on Sep 23, 2008

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Just input #20 then press log button then (2/10 shift 5 (m)) so it will look like 20log (2/10m) = 46.02

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