Texas Instruments -84 Plus, Manual Book

Page: 20 / 696

Chapter 1: Operating the TI-84 Plus Silver Edition 17
When you enter a number in scientific notation, the TI-84 Plus does not automatically
display answers in scientific or engineering notation. The mode settings and the size of
the number determine the display format.
Functions Functions Functions Functions
A function returns a value. For example,
÷
,
L
,
+
,
‡
(
, and
log(
are the functions in the
example on the previous page. In general, the first letter of each function is lowercase on
the TI-84 Plus. Most functions take at least one argument, as indicated by an open
parenthesis (
(
) following the name. For example,
sin(
requires one argument,
sin( value )
.
Instructions Instructions Instructions Instructions
An instruction initiates an action. For example,
ClrDraw
is an instruction that clears any
drawn elements from a graph. Instructions cannot be used in expressions. In general,
the first letter of each instruction name is uppercase. Some instructions take more than
one argument, as indicated by an open parenthesis (
(
) at the end of the name. For
example,
Circle(
requires three arguments,
Circle( X , Y , radius )
.
Interrupting a Calculation Interrupting a Calculation Interrupting a Calculation Interrupting a Calculation
To interrupt a calculation or graph in progress, which is indicated by the busy indicator,
press
É
.
When you interrupt a calculation, a menu is displayed.
• To return to the home screen, select
1:Quit
.
• To go to the location of the interruption, select
2:Goto
.