Casio FX-9860GII-L-IH User Guide - Page 118
Matrix Calculations
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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 specific power • Absolute value, integer part extraction, fractional part extraction, maximum integer calculations • Matrix modification using matrix commands The maximum number of rows that can be specified 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. 20050401