User Manual

Table Of Contents
1-17
u Using the MATH Menu
In the Run-Matrix mode, pressing 4(MATH) displays the MATH menu.
You can use this menu for natural input of matrices, derivatives, integrals, etc.
• {MAT/VCT} ... displays the MAT/VCT submenu, for natural input of matrices/vectors
• {2×2} ... inputs a 2 × 2 matrix
• {3×3} ... inputs a 3 × 3 matrix
• {
m×n} ... inputs a matrix/vector with m lines and n columns (up to 6 × 6)
• {2×1} ... inputs a 2 × 1 vector
• {3×1} ... inputs a 3 × 1 vector
• {1×2} ... inputs a 1 × 2 vector
• {1×3} ... inputs a 1 × 3 vector
• {log
a
b} ... starts natural input of logarithm log
a
b
• {Abs} ... starts natural input of absolute value |X|
• {d/d
x} ... starts natural input of first derivative
dx
d
f
(x)
x = a
• {d
2
/dx
2
} ... starts natural input of second derivative
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/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
3
+ 1
AcM
d
e
+b
w