Question about Computers & Internet
Its very easy to do matrix operations in FX 991ES
This calculator can operate up to three Matrices at a time, namely Matrix A (Mat A), Matrix B (MAT B), Matrix C(MAT C).
Press MODE button and press 6.
Your Display will show indication of MAT on upper side of screen to show now calculator is in MATRIX Mode
This product supports matrix of order up to 3x3. That is you can operate matrix of No. of rows=3 and No. of columns=3
To input matrix, Press SHIFT and then 4. This will Pop up Menu for Matrix. Now press 1
Your screen will show as this,
MAT A will be your First Matrix and MAT B will be your Second Matrix and so on.
Press 1 , 2 , or 3 to select Matrix A , B, or C.
here I will Proceed with Matrix A, so I press Numerical 1 Key
Press UP or DOWN Keys to view options.how to multiply matrix on - nightflare_16.pnguploads/images/nightflare_16.png" alt="nightflare_16.png" class="h_mi" />
Press Corresponding Numerical keys to select corresponding order.
Press UP, DOWN, LEFT, RIGHT Keys to move around in matrix and specify each element.
Press SHIFT and thow to multiply matrix on - nightflare_18.png> and then It will show a menu contains
SHIFT + 4 + 3 to Input Matrix A
X to enter operator (Here multiplication, You enter + - x / for corresponding arithmetic operations )
SHIFT + 4 + 4 to Input Matrix B
= To show Result
Press UP DOWN LEFT RIGHT Keys to view extra fields, if any.
have a good time with Casio FX 991ES
Posted on Mar 26, 2011
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