Functions And Instructions - Texas Instruments TI-84 Plus Manual Book

Appendix A:

Functions and Instructions

Functions return a value, list, or matrix. You can use functions in an
expression. Instructions initiate an action. Some functions and instructions
have arguments. Optional arguments and accompanying commas are
enclosed in brackets ( [ ] ). For details about an item, including argument
descriptions and restrictions, turn to the page listed on the right side of
the table.
From the
CATALOG
home screen or to a command line in the program editor. However, some
functions and instructions are not valid on the home screen. The items in
this table appear in the same order as they appear in the
† indicates either keystrokes that are valid in the program editor only or
ones that paste certain instructions when you are in the program editor.
Some keystrokes display menus that are available only in the program
editor. Others paste mode, format, or table-set instructions only when
you are in the program editor.
Function or
Instruction/Arguments
value
abs( )
complex value
abs(
valueA valueB
and
value
angle( )
Appendix A: Functions and Instructions
, you can paste any function or instruction to the
Result
Returns the absolute
value of a real number,
expression, list, or matrix.
Returns the magnitude of
)
a complex number or list.
Returns 1 if both
valueB
and
valueB
and
numbers, expressions, or
lists.
Returns the polar angle of
a complex number or list
of complex numbers.
valueA
. valueA
are ƒ 0
can be real
.
CATALOG
Key or Keys/Menu
or Screen/Item

NUM
1:abs(

CPX
5:abs(
y :
LOGIC
1:and

CPX
4:angle(
A
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