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Calculation Error
An error message dialog box, like the one shown below, appears when there is a problem
with the syntax of an input expression or value, when the number of decimal places of a
calculation result in the Standard mode (page 2-2-6) exceeds a specified range, etc. Tap [OK]
to close the dialog box and return to the calculation.
Tip
• The text of the error message dialog box depends on the type of error that occurred. For details,
see the “Error Message Table” on page
α
-10-1.
• If you perform a calculation that is mathematically undefined (such as division by zero), the
message “Undefined” appears in place of the calculation result, without display of an error
message.
2-2-4
Basic Calculations
Assigning a Value to a Variable
Besides using the variable assignment key (
W
, page 1-7-6), you can also use the syntax
shown below in the Main application and eActivity application to assign a value to a variable.
Syntax:
Variable: = value
Example:
Assign 123 to variable
x
u
ClassPad Operation
(1) Perform the key operation below in the Main application work area.
9X0L
:
9
=bcd
(2)
w
Important!
“:=” can be used only in Main and eActivity. It can NOT be used in a program. In the Program
application, you must use
W
to store a value to a variable.