Using The Copy Key; Exiting Calculator; About Calculation Errors - Casio BE-300 User Manual

Using the COPY Key

Tapping the COPY key copies the calculation result on the calculator screen to the clipboard. You
can then paste the copied result into any program that supports pasting (Notes, Mail, etc.)

Exiting Calculator

Tap the icon in the upper right corner of the Calculator screen to exit the calculator.

About Calculation Errors

An error indicator appears on the display and further calculation becomes impossible whenever an
error occurs.
Any of the following conditions produces an error.
• Whenever the number of digits in the mantissa of an intermediate or final result exceeds 12
• Whenever the number of digits in the mantissa of a value in calculator memory exceeds 12
digits. In this case, the unit automatically retains the previous value stored.
• Division by zero
• Attempting to calculate the square root of a negative value
To clear an error
Tap C to clear an error and continue with the same calculation from the point immediately before
the error occurred.
To clear the entire calculation and start again, tap AC.
To perform constant calculations
1. On the calculator screen, input the first value of the operation, tap an arithmetic operator key
twice, and then input the second value of the operation.
• You can perform a constant calculation using !, @, #, or $.
• The first value you input (the one to the left of the arithmetic operator) is the one that will be
used as the constant.
• Tapping an arithmetic operator key twice causes the indicator K to appear on the display to
indicate that a constant calculation is being performed.
2. Tap = to display the result of the operation.
• Inputting 4 # # 2 = would produce a result of 8.
3. Tap = again to multiply the result by the constant.
• Tapping = again with the example shown under step 2 would produce a result of 32 (8 # 4).
• Each subsequent tap of = multiplies the last result obtained by the constant. Continuing with
the above example, tapping = would produce the following results: = 128 (32 # 4), = 512
(128 # 4), = 2048 (512 # 4), and so on.
To correct entries during calculations
• If you enter a wrong value, tap C to clear the value and then input the correct one.
• If you tap the wrong arithmetic key (!, @, #, or $), simply tap the correct arithmetic key
before inputting anything else.
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