Casio fx-991ES PLUS User Manual

Matrix Calculations (MATRIX)................................................................61
Matrix Answer Memory................................................................................. 63
Assigning and Editing Matrix Variable Data.................................................. 63
Matrix Calculation Examples.........................................................................64
Creating a Numerical Table from a Function (TABLE)...........................65
Vector Calculations (VECTOR)..............................................................67
Vector Answer Memory.................................................................................68
Assigning and Editing Vector Variable Data..................................................68
Vector Calculation Examples........................................................................ 69
Technical Information............................................................ 71
Errors..................................................................................................... 71
Displaying the Location of an Error...............................................................71
Clearing the Error Message.......................................................................... 71
Error Messages.............................................................................................71
Before Assuming Malfunction of the Calculator... ............................... 74
Replacing the Battery.............................................................................74
Calculation Priority Sequence................................................................75
Calculation Ranges, Number of Digits, and Precision........................... 76
Calculation Range and Precision..................................................................76
Function Calculation Input Ranges and Precision........................................ 77
Specifications.........................................................................................79
Verifying the Authenticity of Your Calculator..........................................80
Frequently Asked Questions.................................................81
Frequently Asked Questions..................................................................81
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Casio fx-991ES PLUS Specifications

General

Type	Scientific
Cover	No
Form factor	Desktop
Control type	Buttons
Product color	Gray
Digits	15 digits
Display type	Dot-matrix
Display resolution	96 x 31 pixels
Display number of lines	10 lines
Storage media type	Not available
Battery life	3 year(s)
Battery type	LR44
Power source	Battery/Solar
Number of batteries supported	1
Symbolic notation	Square root
Conversion between	Decimal, Fraction, Percent
Convert angles from degrees to	Gradian, Radian
Random number/integer generator	Yes

Weight and Dimensions

Depth	162 mm
Width	80 mm
Height	11.1 mm
Weight	95 g