Casio CLASSPAD 330 3.04 - Manual (Page 65)

20090601
1-6-15
Input
I Using the 2D Keyboard
The 2D keyboard provides you with a number of templates that let you input fractions,
exponential values,
n th roots, matrices, differentials, integrals, and other complex
expressions as they appear in your textbook.
It also includes a 5 key set that you can use to input single-character variables like the
ones you can input with the math (mth) keyboard.
S Initial 2D keyboard key set
This key set lets you input fractions, exponential values, nth roots, etc. as they appear in your
textbook.
Tip
• For information about each function or symbol, see “2-4 Function Calculations”.
• Use the key to input the piecewise function template. See page 2-4-12 for more information.
• Use the key to input the simultaneous equations template. See page 2-8-43 for more
information.
S key set
Tapping the key displays a keyboard like the one shown below, which has a ( key in
place of the key. Tapping ( returns to the initial 2D keyboard.
The following are the mathematical expressions you can input with this 2D keyboard.
To input this: Use these keys: For more information, see:
Matrix templates
, , 
“Matrix and Vector Calculations” on
page 2-6-1.
Limit template
“lim” under “Using the Calculation
Submenu” on page 2-8-15.
Sum template
“ 3” under “Using the Calculation
Submenu” on page 2-8-15.