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How to use log button for different base on casio fx-570MS calculator?

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Use the formula
log in base b of (a) =log_b(a)=log(a)/log(b)=ln(a)/ln(b)

Posted on Jul 29, 2015

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Posted on Jan 02, 2017

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SOURCE: how to calculate log value in calculator with different base value

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

Posted on Apr 24, 2009

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SOURCE: How can i calculate inverse

The casio FX-570MS does not handle matrices. So you cannot create matrices, let alone invert them. Sorry.

Posted on Mar 20, 2012

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I've got a casio fx 991plus calculator and I want to know how to use feet and inches in the calculation displays, like how is used meters and centimetres in the display


PDF]fx-570MS/991MS Additional Functions - Support - Casio

support.casio.com/pdf/004/fx570MS_991MS_E.pdf

Casiodisplay format (Disp) settings while the calculator is in the BASE ... Be sure to checkthe current calculation mode (SD, REG,. COMP ... Use [ and ] to display the expression 4 + 4. Press A ... want to perform scientific function calculations. COMP .

The Casio fx-991es, fx-570es and - Numericana

www.numericana.com/answer/casio.htm
The Casio fx-991ex succeeds the fx-991es (functionally identical to the ... Both are nonprogrammable nongraphing scientific calculators, with natural ... Side-by-side comparison of the fx-991EX and fx-991ES PLUS. ... Displays QR codes for smartphone use .... Work out a formula for many values of the input variables.

CASIO fx-991MS Calculator Tutorial: Lesson 5- Dealing with ...


Dec 03, 2015 | Casio Office Equipment & Supplies

1 Answer

Calculate the inverse of a 4X4 matrix on fx-570ms


The Casio FX-570MS does not handle matrices. So you cannot create matrices, let alone invert them. Sorry.
The Casio FX115 ES handles matrices for up to 3X3 dimension. Create the matrix.Have its name displayed on the command line and press the [x^-1] (reciprocal ) key.

Apr 16, 2014 | Casio FX-115ES Scientific Calculator

1 Answer

Calculator fx-570ms not turning on, even with new batteries


Verify that batteries are placed correctly (right polarity, well seated,...)

Sep 22, 2013 | Casio Fx-570ms 2-line Display Scientific...

1 Answer

Change into mathIO mode on casio fx-570ms? please help. thanks.


Sorry, this calculator does not have the MathIO mode that some other Casio calculators do.

Aug 01, 2013 | Casio Scientific Calculator Fx-570 Fx570...

1 Answer

Standard deviation


Follow the instructions beginning on page 26 of the FX-570MS manual: http://support.casio.com/pdf/004/fx115MS_991MS_E.pdf

Jun 15, 2013 | Casio Fx-570ms 2-line Display Scientific...

1 Answer

I have an Fx 570MS.


How to solve P(Z > z) = 1 using Casio fx 570MS

Apr 17, 2013 | Casio FX570MS Scientific Calculator

1 Answer

How can i calculate inverse of 3*3 matrix using casio fx-570MS


The casio FX-570MS does not handle matrices. So you cannot create matrices, let alone invert them. Sorry.

Feb 12, 2011 | Casio FX570MS Scientific Calculator

1 Answer

Explain how to find the logarithm, base 18, of a number.


Hello,
Sorry I clicked the post a clarification request too fast.

You cannot compute it directly. You have to use the formula

log_18(number) = ln(number)/ln(18).

Here log_18 is log in base 18, ln is the natural logarithm (naeperian or log in base e).

Alternatively, you can use

log_18(number) = log(number)/log(18)

where log is log in base 10.

If you use those types of calculations a lot, it might be a good idea to get a Casio FX-115ES, or a Casio FX-991 ES. They have other nice features like fraction calculations and radicals.

Hope it helps.

Oct 15, 2009 | Casio FX-300MS Calculator

1 Answer

How do you compute Log base 5 to the exponent 5.9? i cant figure it out on this computer


Hello,
There is something missing in the formulation.

Any way you cannot calculate it directly on this calculator.You need to use the formula

log_5 (a)= ln(a) x log_5 (e) a is a positive integer

where log_5 means log in base 5 (my notation for the function)
e is the base of the natural logarithms (e=2.71928 )
ln is the natural log function

To obtain a more accurate value of e, calculate e^(1)
Here are some values of log(e) in different bases (for you to play with)

log_2(e)= 1.442695041
log_3(e)=0.9102392266
log_4(e)=0.7213475204
log_5(e)=0.6213349346
log_6(e)=0.5581106266
log_7(e)=0.5138983424
log_8(e)=0.4808983470
log_9(e)=0.4551196133
log_10(e)=log(e)=0.4342944819

If you have to use log in bases other than 10 or e, you will need a claculator that does that at the touch of a button. Some calculators that handle these calculations are the Casio FX-300ES, FX-115ES,FX-991ES, those called Natural Display, or WriteView(Sharp) or Textbook display.

Hope it helps.

Sep 03, 2009 | Texas Instruments TI-30XA Calculator

1 Answer

How to calculate logarithm values with different base


Like you maybe know in math (I know!) log x base y = log x / log y
so what you need its just input your number (x for example) and log it, than divide log x by log 2.
just: log x / log 2. (by the way in calculator the meaning of log x is log x base 10 the default base is 10)

Jun 05, 2009 | Casio FX-300MS Calculator

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