Casio ClassPad 300 PLUS - Manual (Page 52)

20050501
k Selecting a Soft Keyboard Style
Tap one of the tabs along the top of the soft keyboard (9, 0, (, or )) to select
the keyboard style you want.
1-6-3
Input
To display the 2D
keyboard
Tap here.
Input Basics
This section includes a number of examples that illustrate how to perform basic input
procedures. All of the procedures assume the following.
• The Main application is running.
For details, see “Starting a Built-in Application” on page 1-4-2.
• The soft keyboard is displayed.
For details, see “Using the Soft Keyboard” on page 1-6-1.
k Inputting a Calculation Expression
You can input a calculation expression just as it is written, and press the E key to execute
it. The ClassPad automatically determines the priority sequence of addition, subtraction,
multiplication, division, and parenthetical expressions.
• Before starting any calculation, be sure to clear the ClassPad by pressing c.
See Chapter 2 for more information about inputting expressions.
• Use the z or - key to input the minus sign before a negative value.
Example 1: To simplify –2 + 3 – 4 + 10
u ClassPad Operation
Using the keypad keys
cz2+3-4+10E
Using the soft keyboard
Tap the keys of the math (mth) keyboard or the 2D keyboard to input the calculation
expression.
c9-c+d-e+baw
When the soft keyboard is not on the touch screen, press the k key, or tap the O
menu and then tap [Keyboard]. This causes the soft keyboard to appear on the display.