Question about Casio FX82MS Scientific Calculator

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Posted on Jan 02, 2017

Press

ln . 2 5 / ln 2 = or

log . 2 5 / log 2 =

ln . 2 5 / ln 2 = or

log . 2 5 / log 2 =

Oct 01, 2013 | Sharp EL-531VB Calculator

First of all, to compute the log of a number, enter the number first then press the LOG key.

Second, to compute the log to a base b other than e or 10, use the relationship

logb(x) = log(x) / log(b) = ln(x) / ln(b)

You can use either the common log (log) or the natural log (ln), as long as you're consistent.

So, to calculate log2(2.5), press

2 . 5 log / 2 log =

or

2 . 5 ln / 2 ln =

Second, to compute the log to a base b other than e or 10, use the relationship

logb(x) = log(x) / log(b) = ln(x) / ln(b)

You can use either the common log (log) or the natural log (ln), as long as you're consistent.

So, to calculate log2(2.5), press

2 . 5 log / 2 log =

or

2 . 5 ln / 2 ln =

Feb 04, 2011 | Texas Instruments TI-30 Xa Solar...

You can't. However, you can calculate the log base 2 of any number by calculating

log2(x) = log(x)/log(2) = ln(x)/ln(2)

That is, the log base 2 of any number is the log of that number divided by the log of 2.

log2(x) = log(x)/log(2) = ln(x)/ln(2)

That is, the log base 2 of any number is the log of that number divided by the log of 2.

Dec 15, 2010 | Casio FX350MS Scientific Calculator

With log a / log b = loga (b) formula

In casio for log2 8 = log8 / log 2 = 3

In casio for log2 8 = log8 / log 2 = 3

Mar 24, 2010 | Casio FX-115ES Scientific Calculator

You cannot do it with a single key. Rather you use the relation

log in base a of b = log_a(b)=log(b) /log(a)

So log2 5 =log(5)/log(2)

log in base a of b = log_a(b)=log(b) /log(a)

So log2 5 =log(5)/log(2)

Feb 26, 2010 | Casio FX-260 Calculator

Use Diamond + LN or Diamond+7 to get the decimal log().

use the second argument as the base, for example:

log2(64) = log(64,2)

use the second argument as the base, for example:

log2(64) = log(64,2)

Feb 13, 2010 | Texas Instruments Voyage 200 Calculator

If the Log2 stands for log in base 2.then

2^(log2 x)= 2^(5/2)

But 2^ (log2 x) =x, so**solution is x =2^(5/2).**

All that is left for you to do is to calculate 2^(5/2) or 2^(2.5) or square root of (2^5) or square root of 32. and you find x.

2^(log2 x)= 2^(5/2)

But 2^ (log2 x) =x, so

All that is left for you to do is to calculate 2^(5/2) or 2^(2.5) or square root of (2^5) or square root of 32. and you find x.

Sep 28, 2009 | Casio FX-7400G Plus Calculator

I have finally worked out how to do log to the base 2 on my FX-83ES after nearly 2 years.

I hope yours is a similar problem.

The calculator must be in MATH mode or it will not work.

press the log button as the useless manual says then 2 then the right arrow on the replay button and then the number you want the log2 off..

Hey presto a correct answer

I hope yours is a similar problem.

The calculator must be in MATH mode or it will not work.

press the log button as the useless manual says then 2 then the right arrow on the replay button and then the number you want the log2 off..

Hey presto a correct answer

Nov 20, 2008 | Casio FX-250HC Calculator

In any scientific calculator log2(n) can be calculated with either ln or log function as
follows

Log2(n)= ln(n) / ln(2)

Or

Log2(n)=log(n) / log(2)

both will give nearly the same answers

Log2(n)= ln(n) / ln(2)

Or

Log2(n)=log(n) / log(2)

both will give nearly the same answers

Dec 08, 2007 | Casio FX-300MS Calculator

Apr 04, 2014 | Casio FX82MS Scientific Calculator

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