Getting Started with the TI-84 Plus C Silver Edition 27
When you enter a number in scientific notation, the TI-84 Plus C does not
automatically display answers in scientific or engineering notation. The
mode settings and the size of the number determine the display format.
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. Most functions take at least one argument,
as indicated by an open parenthesis following the name. For example,
sin(
requires one argument,
sin(value).
Note: The Catalog Help contains syntax infor
mation for most of the
functions in the catalog. To use Catalog Help, select a menu item and
then press Ã.
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, on the
TI-84 Plus C,
Circle( requires three arguments, and has two optional
arguments:
Circle(X,Y,radius[,color, linestyle]).
Interrupting a Calculation
To interrupt a calculation or graph in progress, which is indicated by the
busy indicator in the status bar, 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.
When you interrupt a graph, a partial graph is displayed.
• To return to the home screen, press ‘ or any
non-graphing key.
• To restart graphing, press a graphing key or select a graphing
instruction.
TI-84 Plus C Edit Keys
Keystrokes Result
~ or | Moves the cursor within an expression; these keys
repeat.
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