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k Stacks
This calculator uses memory areas, called "stacks," to tem-
porarily store values (numeric stack) and commands (com-
mand stack) according to their precedence during calcu-
lations. The numeric stack has 10 levels and the command
stack has 24 levels. A stack error (Stack ERROR) occurs
whenever you try to perform a calculation that is so com-
plex that the capacity of a stack is exceeded.
• Example:
1
2
1 2 3
Numeric Stack
1
2
2
3
3
4
4
5
5
4
• Calculations are performed in sequence according to
"Order of Operations." Commands and values are de-
leted from the stack as the calculation is performed.
3
4
4
5 6
7
Command Stack
5
1
2
3
4
5
6
7
E-31
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