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121x PC link
Calculation mode
Whilst connected to your PC via the USB cable, you can send
calculation results (display contents) to your computer by pressing
the [SEND] key.
• The [SEND] operation takes some time to complete. Calculator
keys are disabled while the send operation is in progress.
• You can send values only. 3-digit separator marks, indicators
(M, =, etc.) are not sent.
• You cannot perform a send operation while the E (error) indicator
is on the calculator display.
• The [SEND] key is disabled when the calculator is not connected
to a computer.
• Using the computer keyboard while the [SEND] operation is in
progress, can result in an incorrect calculation being displayed
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Instructions for using calculation mode
1. Open your desired Microsoft application (Excel, Word,
PowerPoint)
2. Connect the USB cable
3. Turn on your calculator by pressing [C/CE]
4. Perform your calculation on the calculator
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Calculation and PC entry mode
Important!
Make sure to switch NUMBER LOCK on before sending data in PC
entry mode or by [SEND] key. When operating the calculator while it
is connected to a computer, make sure that you depress keys
carefully and firmly.
