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Appendix A: Tables and Reference Information 111
A
Appendix A:
Tables and Reference Information
Table of 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, you can paste any function or instruction to the
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
CATALOG.
† 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
Result
Key or Keys/Menu
or Screen/Item
abs(value) Returns the absolute
value of a real number,
expression, list, or matrix.
NUM
1:abs(
abs(
complex value) Returns the magnitude of
a complex number or list.
CPX
5:abs(
valueA and valueB Returns 1 if both valueA
and valueB are ƒ 0. valueA
and valueB can be real
numbers, expressions, or
lists.
y :
LOGIC
1:and
angle(
value) Returns the polar angle
of a complex number or
list of complex numbers.
CPX
4:angle(