Operation Manual

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
FunctionsFunctions
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
InstructionsInstructions
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 CalculationInterrupting 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.