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Dx d f – Casio SERIES FX-9860G User Manual

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u Using the MATH Menu

In the RUN

MAT mode, pressing

4(MATH) displays the MATH menu.

You can use this menu for natural input of matrices, differentials, integrals, etc.

• {MAT} ... {displays the MAT submenu, for natural input of matrices}

• {2

×2} ... {inputs a 2 × 2 matrix}

• {3

×3} ... {inputs a 3 × 3 matrix}

• {

m

×

n

} ... {inputs a matrix with

m lines and n columns (up to 6

× 6)}

• {log

a

b} ... {starts natural input of logarithm log

a

b}

• {Abs} ... {starts natural input of absolute value |X|}

• {

d

/

dx

} ... {starts natural input of linear differential

dx

d f

(

x

)

x

=

a

}

• {

d

2

/

dx

2

} ... {starts natural input of quadratic differential

dx

2

d

2

f

(

x

)

x

=

a

}

• {

dx

} … {starts natural input of integral

f

(

x

)

dx

a

b

}

• {

Σ(} … {starts natural input of Σ calculation

f

(

x

)

x=

α

β

α

Σ

}

u Math Input Mode Input Examples

This section provides a number of different examples showing how the MATH function
menu and other keys can be used during Math input mode natural input. Be sure to pay
attention to the input cursor position as you input values and data.

Example 1 To input 2

3

+ 1

AcM

d

e

+b

w

1-3-12

Inputting and Editing Calculations