Matrix Calculation

Matrix mode

Follow these steps to enter MATRIX mode

Press MODE to open Mode dialog
Tap MATRIX item to enter matrix mode
Press SHIFT 4 to open matrix menu

Matrix menu tabs explain

NAMES menu: tap an item on this menu to insert a matrix to calculator’s input view

EDIT menu: tap an item on this menu to edit value of a matrix

MATH menu contains functions to operate on matrices

Entering matrix value

Example

MatA =[4−126]

MatB =[2−3−1641]

MatC =[92−31]

Open EDIT menu ( SHIFT 4 ), select MatA
Tap Change dimension to resize the matrix MatA
Select 2x2 matrix, then press Done
Enter value for each cell of matrix MatA, keys: 4 = 2 = - 1 = 6 = `
Entering value of matrix MatB=[2−3−1641] using the same way of entering matrix MatA
Entering value of matrix MatC=[92−31] using the same way of entering matrix MatA

Press AC to exit matrix editor screen

Operation on matrices

Adding 2 matrices

MatA + MatB

Enter matrix MatA: SHIFT 4 => NAMES => select MatA item

Press + (Add) key, then enter matrix MatB: SHIFT 4 => NAMES => select MatB item

The result is displayed

Multiply 2 matrices

MatA × MatB

Enter matrix MatA: SHIFT 4 => NAMES => select MatA item

Press × (Multiply) key, then enter matrix MatB: SHIFT 4 => NAMES => select MatB item

Power

Use the power key to perform multiply matrix n times

Inverse

Open matrix MATH menu: SHIFT 4 => MATH

Tap Inverse item to enter Inverse function, then using NAMES menu to insert MatA Tap the result to see numeric form (if current settings is symbolic form)