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19990401
2-1-5
Basic Calculations
# Other errors can occur during program
execution. Most of the calculator’s keys
are inoperative while an error message is
displayed.
Press i to clear the error and display
the error position (see page 1-3-4).
# See the “Error Message Table” on page α-1-1
for information on other errors.
k Multiplication Operations without a Multiplication Sign
You can omit the multiplication sign (×) in any of the following operations.
• Before coordinate transformation and Type B functions (1 and 6 on page 2-1-3), except
for negative signs
○○○○○
Example 2sin30, 10log1.2, 2 , 2Pol(5, 12), etc.
•Before constants, variable names, memory names
○○○○○
Example 2π, 2AB, 3Ans, 3Y1, etc.
•Before an open parenthesis
○○○○○
Example 3(5 + 6), (A + 1)(B – 1), etc.
k Overflow and Errors
Exceeding a specified input or calculation range, or attempting an illegal input causes an
error message to appear on the display. Further operation of the calculator is impossible
while an error message is displayed. The following events cause an error message to appear
on the display.
•When any result, whether intermediate or final, or any value in memory exceeds
±9.999999999 × 10
99
(Ma ERROR).
•When an attempt is made to perform a function calculation that exceeds the input range
(Ma ERROR).
•When an illegal operation is attempted during statistical calculations (Ma ERROR). For
example, attempting to obtain 1VAR without data input.
• When an improper data type is specified for the argument of a function calculation
(Ma ERROR).
•When the capacity of the numeric value stack or command stack is exceeded (Stack
ERROR). For example, entering 25 successive ( followed by 2 + 3 * 4 w.
•When an attempt is made to perform a calculation using an illegal formula (Syntax
ERROR). For example, 5 ** 3 w.
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