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Removing the Hard Case
Before using the calculator, slide its hard case downwards to remove it, and then affix the hard case to the back of the calculator as shown in the illustration nearby.
Turning Power On and Off
Press to turn on the calculator.
Press (OFF) to turn off the calculator.
Auto Power OffYour calculator will turn off automatically if you do not perform any operation for about 10 minutes. If this happens, press the key to turn the calculator back on.
Adjusting Display Contrast
Display the CONTRAST screen by performing the following key operation: (SETUP)A(;CONT). Next, use B and C to adjust contrast. After the setting is the way you want, press .
Important: If adjusting display contrast does not improve display readability, it probably means that battery power is low. Replace the battery.
Key Markings
Pressing the or key followed by a second key performs the alternate function of the second key. The alternate function is indicated by the text printed above the key.
The following shows what the different colors of the alternate function key text mean.
Alternate function
s
Keycap function
If key marking text | It means this: | ||
is this color: | |||
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Yellow | Press and then the key to access the | ||
applicable function. | |||
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| |
Red | Press | and then the key to input the | |
applicable variable, constant, or symbol. | |||
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Purple (or enclosed | Enter the CMPLX Mode to access the function. | ||
in purple brackets) | |||
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Green (or enclosed in
green brackets)
Enter the