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U ing the 2D Keyboard
The 2D keyboard provides you with a number of templates that let you input fractions,
n
exponential values,
th roots, matrices, differentials, integrals, and other complex
expressions as they appear in your textbook.
It also includes a
key set that you can use to input single-character variables like the
ones you can input with the math (mth) keyboard.
Initial 2D keyboard key et
This key set lets you input fractions, exponential values, n th 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.
key et
Tapping the
key displays a keyboard like the one shown below, which has a
place of the
key. Tapping
The following are the mathematical expressions you can input with this 2D keyboard.
To input thi :
Matrix templates
Limit template
Sum template
1-6-15
Input
returns to the initial 2D keyboard.
U e the e key : For more information, ee:
"Matrix and Vector Calculations" on
,
,
page 2-6-1.
"lim" under "Using the Calculation
Submenu" on page 2-8-15.
" " under "Using the Calculation
Submenu" on page 2-8-15.
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key in
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