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Casio fx-991ES PLUS User Manual

Casio fx-991ES PLUS
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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.
72

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Casio fx-991ES PLUS Specifications

General IconGeneral
TypeScientific
CoverNo
Form factorDesktop
Control typeButtons
Product colorGray
Digits15 digits
Display typeDot-matrix
Display resolution96 x 31 pixels
Display number of lines10 lines
Storage media typeNot available
Battery life3 year(s)
Battery typeLR44
Power sourceBattery/Solar
Number of batteries supported1
Symbolic notationSquare root
Conversion betweenDecimal, Fraction, Percent
Convert angles from degrees toGradian, Radian
Random number/integer generatorYes
Weight and Dimensions IconWeight and Dimensions
Depth162 mm
Width80 mm
Height11.1 mm
Weight95 g

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