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In the same precedence level, calculations are performed
from left to right.
Operations enclosed within parentheses are performed first.
When a calculation contains an argument that is a negative
number, the negative number must be enclosed within the
parentheses.
Example:
–2
2
= –4
(–2)
2
= 4
When same priority commands are mixed into one
calculation:
Example 1:
1 ÷ 2 = 0.1591549431
Example 2:
2 A
1 ÷ 2A =
1
4
Calculation Stacks
This calculator uses memory areas, called “stacks”, to
temporarily store numeric value (numbers) commands (+, –,
x…) and functions according to their precedence during
calculations.
The numeric stack has 10 levels and the command stack has
128 levels. A stack error [Stack ERROR] occurs whenever
you try to perform a calculation that exceeds the capacity of
stacks.
Calculations are performed in sequence according to “Order
of Operations”. After the calculation is performed, the stored
stack values will be released.
Error Messages and Error Locator
The calculator is locked up when an error message is shown on
the display indicating the cause of the error.
Press to clear the error message, then return to the
initial display of the latest mode.
Press or to display the input expression with the
cursor positioned next to the error.
Press to clear the error message, replay memory history
and return to the initial display of the latest mode.