Question about Casio FX-115ES Scientific Calculator

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How do i do a matrix problem in my casio fx 115 es, i don't get to work manual instruccions with my book problems

Posted by mr_b97 on

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2 Answers

k24674

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  • Casio Master
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Hello
First you must set Matrix calculation
[MODE][6:Matrix]. Then By entering one of the numbers [1:MatA] or [2:Matb] or [3:MatC] you get to choose the dimensions of the matrix
(mxn]. Once finished entering the matrix you clear the screen.
The operations on matrices are available by pressing [Shift][Matrix]
[1:Dim] to change the dimension of a matrix (in fact redefining the matrix)
[2:Data] enter values in a matrix
[3:MatA] access Matrix A
[4:Matb] access Matrix B
[5:MatC] access matrix C
[6:MatAns] access the Answer Matrix (the last matrix calculated)
[7:det] Calculate the determinant of a matrix already defined
[8:Trn] The transpose of a matrix already defined

To add matrices MatA+MatB
To subtract MatA-MatB
To multiply MatAxMatB
To raise a matrixe to a power 2 [x2], cube [x3]
To obtain inverse of MatA already defined MatA[x-1] [x-1] is the x to the power -1 key
Dimensions of matrices involved in operations must match (see you textbook for the rules)

Read the appendix to your user manual, there are several exemples.
Hope helps

Posted on Oct 12, 2009

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Anonymous

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  • Master
  • 630 Answers

Http://support.casio.com will allow you to download a manual

Posted on Oct 11, 2009

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Tell us what you want to do and we will be happy to help you. Algebra is a very wide subjetct.

Here is the link to your manual and its appendix. They will tell you what the calculator can do.

http://support.casio.com/manualfile.php?rgn=1&cid=004001004

Hope it helps

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Hello,

Use your internet seach engine or go to the casio worldwide web site. A google search returned this link to the New-Zealand site.

http://casionz.co.nz/Site/Pronto/Files/user_manuals/FX-115ES%20991ES.PDF

Hope it helps

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