Casio FX-7400GII - SOFTWARE VERSION 2-00 User Manual page 19

Using the MATH Menu
In the RUN • MAT mode, pressing
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
• {log b} ... {starts natural input of logarithm log
a
• {Abs} ... {starts natural input of absolute value |X|}
d dx
• { / } ... {starts natural input of linear differential
2 2
d dx
• { / } ... {starts natural input of quadratic differential
dx
• { } ... {starts natural input of integral
• { (} ... {starts natural input of
Math Input/Output 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/output mode natural input. Be sure to pay
attention to the input cursor position as you input values and data.
Example 1 To input 2
Example 2 To input
(MATH) displays the MATH menu.
m n
lines and
a
b
f x dx
( )
a
calculation
x=
3
+ 1
2
( )
1+ 2
5
1-12
columns (up to 6 × 6)}
b}
d f
x
( )
}
x a
=
dx
2
d
f x
( )
x a }
=
2
dx
}
f x
( )
}