LEXIBOOK SC300 Manual De Instrucciones página 38

Formulae for statistical calculations:
Formulae for statistical calculations:
Please refer also to the calculation examples sheet.
When using statistical calculation formulae, an error will occur if any of the following applies:
• The absolute value of the intermediate or final result is equal to or greater than 1*100.
• The denominator is zero.
• An attempt has been made to extract the square root of a negative number.
Errors and calculation ranges (12)
a) ERRORS
An error will occur if an operation exceeds the calculation range, or when attempting to perform
an invalid mathematical operation.
When an error occurs, pressing or automatically moves the cursor back to the place in the
equation where the error has occurred. Edit the equation or press ON/C to delete the equation.
b) Error codes and types
Syntax error (Error 1):
• An attempt was made to perform an invalid operation.
EX.2 2ndF r
Calculation error (Error 2):
• The absolute value of the intermediate or final result is equal to or greater than 10100.
• An attempt was made to divide by 0.
• The calculation range was exceeded while performing the calculations.
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SC300_02IM0186.indd 38 09/05/2006 10:31:55