# Casio FX-115ES Scientific Calculator "define square number" Questions

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## The square root of -(49/64)

...The square root of a negative number does not exist in lR, the set of real numbers. In the set of Complex numbers the square root of -49/64 is (7/8)i, where i is the imaginary unit defined by

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## How many square meters in 90,000 linear feet of 41.3" wide material?

number of square units in the Imperial system. We can choose to do the calculation in feet or inches. Let's do it in inches first. There are 12" in a foot, so we multiply 90,000 by 12 to get 1,080,000

Question about Casio Office Equipment & Supplies

## How do I solve a matrix? I have the manual but do

...square matrix, for example matA. You press [Shift][Matrix] [7:det] [SHIFT][MATRIX][3:MatA], close the parenthesis and press [ENTER]. If you have defined two similar matrices (same number of row and ...

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## How to compute a matrix

square matrix, for example matA.You press [Shift][Matrix] [7:det] [SHIFT][MATRIX][3:MatA], close the parenthesis and press [ENTER].If you have defined two similar matrices (same number of row and same

Question about Casio Office Equipment & Supplies

## I want to learn how to solve matrix with my

...[)] [=] Now you want to calculate the square of matA. Press [SHIFT][MATRIX][3:MatA] [x^2][=] A 2x2 matrix is displayed. It is MatA[^2]. If you define MatA, MatB, MatC ...

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## How do I find a slope then describe what it means in terms of the rate of change of the dependent variable per unit of the change in the independent variable.

...number of square going left to right. Divide the change in y by the change in x. This is your slope. If the line is going up to the right. the slope is positive. If it is going up to the left, the ...

Question about Texas Instruments Office Equipment & Supplies

## Is it possible to graph the locus of Z on the TI 84

...Define z=x+iy Substitute in the equation [x+iy -1-i|=5 |(x-1)+(y-1)i|=5 SQRT ((x-1)^2+(y-1)^2)=5 Raise to the second power (square) (x-1)^2+(y-1)^2=25 This is the equation of a circle of center (1,1) ...

Question about Casio Office Equipment & Supplies

## How to do

...define have dimensions 3X3.First you must set Matrix calculation: Press [MODE][6:Matrix]. Then by entering one of the numbers [1:MatA] or [2:Matb] or [3:MatC] you get to choose the dimensions of the ...

Question about Casio Office Equipment & Supplies

## How to use the regular

...square matrix, for example matA. You press [Shift][Matrix] [7:det] [SHIFT][MATRIX][3:MatA], close the parenthesis and press [ENTER]. If you have defined two similar matrices (same number of row and ...

Question about Casio Office Equipment & Supplies

## How to find the determinant

...Answer Matrix (the last matrix calculated) [7:det] Calculate the determinant of a matrix already defined [8:Trn] The transpose of a matrix already defined Once you have created a square matrix,

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