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# How To Make Matrix Multiplication In Casio Fx-991es

### #1

Posted 09 September 2007 - 07:43 PM

Thanks in Advance.

Sorry if there is any mistake in this post

### #2

Posted 10 September 2007 - 10:29 AM

[Mode] Matrix

(MATRIX) (Dim) And then select the matrix name you want to use ( (MatA), (MatB) or (MatC))

Next chose the matrix size.

And then input the matrix element.

After inputted 2 matrix you want to use, to turn back to the input screen, and then, for example, if you want to mutiply MatA and MatB, press (Matrix) (MatA) (Matrix) (MatB)[=]

.....

Read in the Matrix section of your userguider.

### #3 Guest_Guest_xception_*_*

Posted 10 September 2007 - 06:40 PM

### #4 Guest_Speedy_*

Posted 11 December 2008 - 07:06 AM

### #5 Guest_pheron2003_*

### #6 Guest_karan_*

### #7 Guest_TSEUG_*

Posted 28 March 2009 - 10:09 PM

Can we get the inverse of a matrix using fx-991es?

By the way, I have been googling to buy a scientific calculator. The more I google, the more I can't decide. So,

**can anybody please advise me the right model?**I'm an electrical and electronics engineering student, and I want to use the calculator which can help me throughout the undergraduate program. Until now, I have found these alternatives; fx-991ES , fx-5500LA , fx-5800P. Well, the last two options are a little expensive compared to fx-991ES. Also, I am kinda interested in fx-9860G. Do I, as an electrical and electronics engineering student, need the graphing calculator? I would be very much appreciated if I can get some quick replies.

### #8

Posted 29 March 2009 - 10:56 AM

If you are planning on taking an undergraduate or any university course, then I would advise upon a powerful graphing calculator. Despite the fact that the fx-991ES can only do simple matrix operations, you really need a graphing calculator.

For what you are asking, take the fx-9860G. If you will put up with a used one, then try ebay.

Hope that this helps,

mintsmike

### #9 Guest_TSEUG_*

Posted 02 April 2009 - 06:26 PM

mintsmike, on Mar 29 2009, 10:56 AM, said:

If you are planning on taking an undergraduate or any university course, then I would advise upon a powerful graphing calculator. Despite the fact that the fx-991ES can only do simple matrix operations, you really need a graphing calculator.

For what you are asking, take the fx-9860G. If you will put up with a used one, then try ebay.

Hope that this helps,

mintsmike

### #10 Guest_faiyaz_*

Posted 04 September 2009 - 05:08 PM

vanhoa, on Sep 10 2007, 10:29 AM, said:

[Mode] Matrix

(MATRIX) (Dim) And then select the matrix name you want to use ( (MatA), (MatB) or (MatC))

Next chose the matrix size.

And then input the matrix element.

After inputted 2 matrix you want to use, to turn back to the input screen, and then, for example, if you want to mutiply MatA and MatB, press (Matrix) (MatA) (Matrix) (MatB)[=]

.....

Read in the Matrix section of your userguider.

Thank you very much...helps me lot..good job..

### #11 Guest_jp_*

Posted 12 September 2009 - 03:33 PM

bcos of u i got a realistic chance of passing my exams after a long time!!

thanks a lot and god bless u!!!

vanhoa, on Sep 10 2007, 10:29 AM, said:

[Mode] Matrix

(MATRIX) (Dim) And then select the matrix name you want to use ( (MatA), (MatB) or (MatC))

Next chose the matrix size.

And then input the matrix element.

After inputted 2 matrix you want to use, to turn back to the input screen, and then, for example, if you want to mutiply MatA and MatB, press (Matrix) (MatA) (Matrix) (MatB)[=]

.....

Read in the Matrix section of your userguider.

### #12 Guest_ranga_*

Posted 20 October 2009 - 06:04 PM

### #13 Guest_Yathu_*

Posted 20 November 2009 - 04:46 PM

Yathu

### #14 Guest_Veenit_*

Posted 01 January 2010 - 04:52 PM

urgent help needed..!!!

Thanks in advance..!!

### #15 Guest_Guest_*

Posted 13 January 2010 - 07:13 PM

Arigatou Gozaimashita ^^

### #16 Guest_Rama_*

Posted 27 January 2010 - 12:45 PM

i have an exm on matrix , but i dont know how to use 991ES to blog the matrix A B or C and how to calculate them .. i have read the mannual but i didnt understand how does it work

can u show me the way on how u blog it and the steps pllllllllzzzzzzz

ASAP ,,

### #17 Guest_pancho_*

Posted 08 February 2010 - 05:00 PM

### #18 Guest_Shoaib Akhtar_*

Posted 10 February 2010 - 07:19 PM

xx.

### #19 Guest_Muthu_*

Posted 17 February 2010 - 10:43 AM

i have a problem...i input the two matrix 3*3 for results wen i did MatAMatB and then i pressed =...but it shows dimension error...how to rectify this problem..

Muthu

### #20 Guest_Guest_*

Posted 07 March 2010 - 05:47 PM

### #21 Guest_lagnajeet_*

Posted 18 April 2010 - 10:26 AM

vanhoa, on Sep 10 2007, 10:29 AM, said:

[Mode] Matrix

(MATRIX) (Dim) And then select the matrix name you want to use ( (MatA), (MatB) or (MatC))

Next chose the matrix size.

And then input the matrix element.

After inputted 2 matrix you want to use, to turn back to the input screen, and then, for example, if you want to mutiply MatA and MatB, press (Matrix) (MatA) (Matrix) (MatB)[=]

.....

Read in the Matrix section of your userguider.

thanks a lot....

### #22 Guest_rohit_*

Posted 10 May 2010 - 07:18 PM

### #23 Guest_vieky_*

Posted 21 May 2010 - 05:18 AM

### #24 Guest_sumaya_*

Posted 31 May 2010 - 06:55 PM

vanhoa, on Sep 10 2007, 10:29 AM, said:

[Mode] Matrix

(MATRIX) (Dim) And then select the matrix name you want to use ( (MatA), (MatB) or (MatC))

Next chose the matrix size.

And then input the matrix element.

After inputted 2 matrix you want to use, to turn back to the input screen, and then, for example, if you want to mutiply MatA and MatB, press (Matrix) (MatA) (Matrix) (MatB)[=]

.....

Read in the Matrix section of your userguider.

### #25 Guest_sumaya_*

Posted 31 May 2010 - 07:01 PM

### #26 Guest_Prabi_*

Posted 06 June 2010 - 11:32 AM

### #27 Guest_arothi_*

Posted 10 June 2010 - 06:19 PM

### #28 Guest_SivaharasankarG_*

Posted 01 December 2010 - 06:36 PM

vanhoa, on Sep 10 2007, 10:29 AM, said:

[Mode] Matrix

(MATRIX) (Dim) And then select the matrix name you want to use ( (MatA), (MatB) or (MatC))

Next chose the matrix size.

And then input the matrix element.

After inputted 2 matrix you want to use, to turn back to the input screen, and then, for example, if you want to mutiply MatA and MatB, press (Matrix) (MatA) (Matrix) (MatB)[=]

.....

Read in the Matrix section of your userguider.

### #29 Guest_Guest_akash_*_*

Posted 20 December 2010 - 11:04 PM

xception, on Sep 9 2007, 07:43 PM, said:

Thanks in Advance.

Sorry if there is any mistake in this post

### #30 Guest_celestine_*

Posted 23 December 2010 - 03:17 AM

### #31 Guest_chints_*

Posted 22 February 2011 - 05:12 PM

### #32 Guest_akshay_*

Posted 23 March 2011 - 04:06 AM

### #33 Guest_Doug_*

Posted 08 April 2011 - 03:42 AM

vanhoa, on Sep 10 2007, 10:29 AM, said:

[Mode] Matrix

(MATRIX) (Dim) And then select the matrix name you want to use ( (MatA), (MatB) or (MatC))

Next chose the matrix size.

And then input the matrix element.

After inputted 2 matrix you want to use, to turn back to the input screen, and then, for example, if you want to mutiply MatA and MatB, press (Matrix) (MatA) (Matrix) (MatB)[=]

.....

Read in the Matrix section of your userguider.

### #34 Guest_mz_f101_*

Posted 08 May 2011 - 04:43 PM

this sure helped me~!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

### #35 Guest_Guest_*

Posted 01 June 2011 - 01:47 PM

vanhoa, on Sep 10 2007, 10:29 AM, said:

[Mode] Matrix

(MATRIX) (Dim) And then select the matrix name you want to use ( (MatA), (MatB) or (MatC))

Next chose the matrix size.

And then input the matrix element.

After inputted 2 matrix you want to use, to turn back to the input screen, and then, for example, if you want to mutiply MatA and MatB, press (Matrix) (MatA) (Matrix) (MatB)[=]

.....

Read in the Matrix section of your userguider.

### #36 Guest_ukonlinewatches_*

Posted 09 June 2011 - 03:35 AM

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