Casio ClassPad 300 PLUS User Manual page 30

1-1-3
General Guide
9 Keypad
Use these keys to input the values and operators marked on them. See "1-6 Input" for
details.
E
0
key
Press this key to execute a calculation operation.
Side
! 3-pin data communication port
Connect the data communication cable here to communicate with another ClassPad unit or a
CASIO Data Analyzer. See "Chapter 16 – Performing Data Communication" for details.
@ 4-pin mini USB port
Connect the data communication cable here to exchange data with a computer. See
"Chapter 16 – Performing Data Communication" for details.
Back
# Battery compartment
Holds the four AAA-size batteries that power the ClassPad. For details, see "Power Supply"
on page -3-1.
$ P button
Press this button to reset the ClassPad. For details, see "Performing the RAM Reset
Operation" on page -1-2.
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