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2-8-1
Matrix Calculations
2-8 Matrix Calculations
From the Main Menu, enter the RUN
•
MAT mode, and press 1 (' MAT) to perform Matrix
calculations.
26 matrix memories (Mat A through Mat Z) plus a Matrix Answer Memory (MatAns), make it
possible to perform the following matrix operations.
• Addition, subtraction, multiplication
• Scalar multiplication calculations
• Determinant calculations
• Matrix transposition
• Matrix inversion
• Matrix squaring
• Raising a matrix to a specifi c power
• Absolute value, integer part extraction, fractional part extraction, maximum integer
calculations
• Matrix modifi cation using matrix commands
The maximum number of rows that can be specifi ed for a matrix is 255, and the maximum
number of columns is 255.
# About Matrix Answer Memory (MatAns)
The calculator automatically stores matrix
calculation results in Matrix Answer
Memory. Note the following points about
Matrix Answer Memory.
• Whenever you perform a matrix calculation,
the current Matrix Answer Memory contents
are replaced by the new result. The previous
contents are deleted and cannot be recovered.
• Inputting values into a matrix does not affect
Matrix Answer Memory contents.
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