20050501
1-6-12
Input
k
Using Single-character Variables
As its name suggests, a single-character variable is a variable name that consists of a single
character like “
a
” or “
x
”. Input of single-character variable names is subject to different rules
than input of a series of multiple characters (like “abc”).
u
To input a single-character variable name
Any character you input using any one of the following techniques is always treated as a
single-character variable.
• Tapping any key in the math (mth) keyboard’s
V
key set (page 1-6-10)
• Tapping any key in the 2D keyboard’s
V
key set (page 1-6-15)
• Tapping the
X
,
Y
,
Z
or
[
key to the left of the
9
key of the math (mth) keyboard or
2D keyboard
• Pressing the
x
,
y
, or
Z
keypad key
If you use the above key operations to input a series of characters, each one is treated as a
single-character variable. Inputting
A
,
B
,
C
, for example, is treated as the mathematical
expression a
×
b
×
c, and not as the characters “abc”.
Tip
• The single-character variables described above make it possible for you to perform calculations
as they are written in your textbook.
Example 1:
9
V
ABC
w
Example 2:
2xyE
Tip
• When you input a single-character variable, its name appears on the display as an italicized bold
character. This is simply to let you know that the letter is a single-character variable name.
Summary of Contents for ClassPad 300 PLUS
Page 11: ...20050501 ClassPad 300 PLUS ClassPad OS Version 2 20 ...
Page 197: ...20050501 2 10 7 Using Verify 4 Input x 2 1 and press E 5 Input x i x i and press E ...
Page 649: ...20050501 u Graph Line Clustered D u Graph Line Stacked F 13 8 2 Graphing ...
Page 650: ...20050501 u Graph Line 100 Stacked G u Graph Column Clustered H 13 8 3 Graphing ...
Page 651: ...20050501 u Graph Column Stacked J u Graph Column 100 Stacked K 13 8 4 Graphing ...
Page 652: ...20050501 u Graph Bar Clustered L u Graph Bar Stacked 13 8 5 Graphing ...