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Errors and Calculation Ranges
Errors
An error will occur if an operation exceeds the calculation rang-
es, or if a mathematically illegal operation is attempted. When 
an error occurs, pressing 
g or y automatically moves 
the cursor back to the place in the equation where the error oc-
curred. Edit the equation or press 
s to clear the equation.
Note:  If an error occurs during the automatic calculation of a 
listed fi nancial variable, pressing 
s, g, or y 
displays the fi rst variable in the function.
Error codes and error types
Syntax error (Error 1):
•  An attempt was made to perform an invalid operation.
Ex. 2 
+ - 5 =
•  During the editing or insertion of cash fl ow or statistical data, 
a value was entered but 
. ? was pressed before J.
Calculation error (Error 2):
•  The absolute value of an intermediate or fi nal calculation 
result equals or exceeds 10
100
.
•  An attempt was made to divide by zero.
•  The calculation ranges were exceeded while performing cal-
culations. 
•  There was a fi nancial calculation error, such as:
• an error listed in “Financial Calculation Formulas” (see 
pages 72 – 75) occurred
• an attempt was made to fi nd I/Y when PV, PMT × N, and 
FV contain all negative or all positive values
• an attempt was made to fi nd IRR when the cash fl ow data 
contains all negative or all positive values
• an attempt was made to fi nd YIELD in a bond calculation 
when any of COUPON, REDEMPT, or PRICE contain 
negative values
Depth error (Error 3):
•  The available number of buffers was exceeded. (There are 
10 buffers for numeric values and 24 buffers for calculation 
instructions).
•  The number of entered cash fl ow and statistics data items 
combined exceeded 100.
Appendix.indd   76
Appendix.indd   76
06.7.10   8:42:13 PM
06.7.10   8:42:13 PM