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Casio fx-991ZA PLUS II User Manual

Casio fx-991ZA PLUS II
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Your input exceeds the allowable input range (particularly when using
functions).
The calculation you are performing contains an illegal mathematical
operation (such as division by zero).
Action:
Check the input values, reduce the number of digits, and try again.
When using independent memory or a variable as the argument of a
function, make sure that the memory or variable value is within the
allowable range for the function.
Stack ERROR
Cause:
The calculation you are performing has caused the capacity of the
numeric stack or the command stack to be exceeded.
The calculation you are performing has caused the capacity of the
matrix or vector stack to be exceeded.
Action:
Simplify the calculation expression so it does not exceed the capacity
of the stack.
Try splitting the calculation into two or more parts.
Syntax ERROR
Cause:
There is a problem with the format of the calculation you are
performing.
Action:
Make necessary corrections.
Argument ERROR
Cause:
There is a problem with the argument of the calculation you are
performing.
Action:
Make necessary corrections.
Dimension ERROR (MATRIX and VECTOR Modes only)
Cause:
The matrix or vector you are trying to use in a calculation was input
without specifying its dimension.
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Casio fx-991ZA PLUS II Specifications

General IconGeneral
TypeScientific Calculator
Number of Functions552
Equation SolverYes
Matrix CalculationsYes
Complex Number CalculationsYes
IntegrationYes
DifferentiationYes
Memory9 variables
Weight95 g
Protective CaseYes
DisplayNatural Textbook Display
Power SourceSolar and Battery

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