Out of 8 Ratings

Owner's of the Casio Calculator fx-115ES gave it a score of 4.4 out of 5. Here's how the scores stacked up:
  • Reliability

    4.38 out of 5
  • Durability

    4.5 out of 5
  • Maintenance

    4.38 out of 5
  • Performance

    4.5 out of 5
  • Ease of Use

    4.0 out of 5
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(3)Press a number key (1 through 6 ) to specify the matrix
dimension you want to use.
•Pressing a number key to specify the matrix dimension causes
the matrix editor screen to appear.
(4)Use the matrix editor screen to input each of the elements into
the matrix.
•Input is subject to the same rules as those that govern the
coefficient editor screen in the EQN Mode. For more information,
see “Rules for Inputting and Editing Coefficients”.
If you want to create another matrix, repeat this procedure from
step (1).
Copying the Contents of One Matrix to Another
(1)Use the matrix editor screen to display the matrix you want to
copy, or display the Matrix Answer Memory screen.
If you want to copy Matrix A, for example, press 14(MATRIX)
(2)Press 1t(STO).
• This causes the “STO” indicator to appear on the display.
(3)Specify the destination of the copy operation.
To specify this destination: Press this key:
Matrix A y(MatA)
Matrix B e(MatB)
Matrix C w(MatC)
•Pressing e(MatB) copies the matrix to Matrix B, and displays
the matrix editor screen for Matrix B.
k Performing Matrix Calculations
Pressing A while the matrix selection screen or matrix editor screen
is on the display switches to the matrix calculation screen.
Matrix Answer Memory Screen
The Matrix Answer Memory (MatAns) screen shows the results of
matrix calculations.
“A” stands for “MatA”.
Stands for “MatAns”.