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Stacks
This calculator uses memory areas, called "stacks," to temporarily store
values (numeric stack) and commands (command stack) according to their
precedence during calculations. 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 complex that the
capacity of a stack is exceeded.
• Matrix calculations use up to two levels of the matrix stack. Squaring a
matrix, cubing a matrix, or inverting a matrix uses one stack level.
(fx-570MS, fx-991MS only)
Example:
Numeric Stack
Command Stack
• Calculations are performed in sequence according to "Calculation
Priority Sequence." Commands and values are deleted from the stack
as the calculation is performed.
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