Question about Casio FX-300MS Calculator
I want to know how to calculate in calculator "casio fx-991ms" fx-991ms" to calculate log value
In any scientific calculator log2(n) can be calculated with either ln or log function as
Log2(n)= ln(n) / ln(2)
Log2(n)=log(n) / log(2)
both will give nearly the same answers
Posted on Apr 24, 2009
To Ishelton- I think you are just messing up on your order of operations when entering it into the calculator. What I assume you meant was 10^(8.89932-10), but instead the calculator sees it as (10^8.993) - 10.
If you want to calculate a different base other than ten, then just use your log rules, and its easy as pie in your head.
lets see if I remember this...
take the base of the log and have it equal to the other side of your equation and raise that to the power of the initial value here's an example and quick log lesson:
Log(base x)4 = 8 so that the the x is the base or subscript of the log when you look at it visually.
this means you will have x^8 =4
then you know that we will have 8 log x = 4
if you know the base value and dont know the exponent, its the same thing
Log(base 7) 4 = x
7^x = 4
x Log 7 = 4
x =4 / Log7
and Ill give a final example for the hell of it if you really struggle with basic algebra.
Log (base4)x =5
4^5 = x
x = 1024
There is no need for a calculator to have the ability to do logs of any base other than 10. All the work can be done in your head faster than you can type the base in anyways.
The work above SHOULD be correct, as I'm just remembering off the top of my head, I don't have my notes from that course on me atm.
Posted on May 06, 2009
Posted on Dec 10, 2010
(log a)2_(log b)2=log(a/b).log(ab)
Posted on Aug 11, 2009
Log (base 4) 3 what is the value<br /> <br />
Posted on Aug 19, 2010
Can anyone please tell me how to calculate the adjoint of a matrix on fx 991ms ???
Posted on May 28, 2008
To calculate logb to base a,perform logb /loga
Posted on May 17, 2008
How to use 991ms in calculus
Posted on May 15, 2008
Posted on May 12, 2008
If u want to calculate matrice using casio fx-991ms calculator. First u have to put ur calculator in the matrix mode simply by pressing mode mode mode 2 this put ur calculator in a matrix mode.then press shift 4,ur calculator will display Dim Edit Mat,if u should scroll right it would display Det Tran. To calculate matrix first u have to put in the dimension of the matrice which u want to calculate e.g for a 2x2 matrix press shift 4 and 1 it will display A B C press 1 to put in the dimension of matrix A,for a 3x3 matrix press 3=3 then slot in then value the matrix.
Posted on Feb 24, 2012
I want to know how to add inches
Ex. 2'.6" + 2'.7"+ 3'.3"= 8'.4"
I want the answer to appear as ( 8'.4") or
it is ok even if it appears as (8.333). I can always calculate .333 into inches
Posted on Mar 28, 2008
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Posted on Jan 02, 2017
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