Texas Instruments manual Getting Started Using Your TI-84 Plus Silver Edition

Getting Started Using Your TI-84 Plus Silver Edition

TI-84 Plus Silver Edition Edit Keys

Keystroke Result

~or Moves the cursor within an expression.

}or Ü Moves the cursor from line to line within an expressionthat occupiesmore than one line. On the top line of an expression on the home screen,}movesthe cursorto the beginningof the expression.On the bottom line, Ümovesthe cursorto the end of the expression.

y	Moves the cursor to the beginningof an expression.
y~	Moves the cursor to the end of an expression.

ÕExecutes an instructionand/or an expression.

ëOn a line with text on the home screen,clearsthe currentline. On a blankline on the home screen,clearseverythingon the home screen. In an editor,clears the expressionor value where the cursor is located.

{Deletes a characterat the cursor.

y6 Changesthe cursorto an underline(__) and insertscharacters in frontof the underlinecursor;to end insertion,pressy6, or press }~or Ü.

yChanges the cursor to ; the next keystrokeperforms a 2nd operation(in blue above a key); to cancel 2nd, press yagain.

ÉChanges the cursor to ÿ; the next keystrokepastes an alpha character(in green above a key); to cancel Épress Éagain, or press }~or Ü.

y7 Changes the cursor to ÿ; sets alpha-lock;subsequent keystrokespastealphacharacters;to cancelalpha-lock,press É. If you are prompted to enter a name fora groupor a program, alpha-lock is set automatically.

ÑPastes an X in Func mode, a T in Par mode, a ￿ in Pol mode, or an n in Seq mode with one keystroke.

Display Cursors

In most cases, the appearance of the cursor indicates what will happen when you press the next key.

Cursor	Appearance	Effect of next keystroke
Entry	Solid rectangle	A character is entered at the cursor;
	$	any existing character is overwritten.
Insert	Underline	A character is inserted in front of the
	__	cursor location.
Second	Up arrow	A 2nd character (blue on the keyboard)
	}	is entered or a 2nd operation is executed.
Alpha	Reverse A	An alpha character (green on the keyboard)
	ÿ	is entered or SOLVE is executed.
Full	Checkerboard	No entry; the maximum number of
	rectangle #	characters has been entered at a prompt
		or memory is full.

Using a TI-84 Plus Silver Edition Menu

You can access most TI-84 Plus Silver Edition operations using menus. When you press a key or key combination to display a menu, one or more menu names appear on the top line of the screen.

■The menu name on the left side of the top line is highlighted.

Up to seven items in that menu are displayed, beginning with item 1, which is also highlighted.

■A number or letter identifies each menu item’s place in the menu. The order is 1 through 9, then 0, then A, B, C, and so on.

■When the menu continues beyond the displayed items, a down arrow () replaces the colon next to the last displayed item.

■When a menu item ends in an ellipsis (...), selecting the item will display a secondary menu or editor.

Displaying a Menu

While using your TI-84 Plus Silver Edition, you will often need to access items from its menus. When you press a key that displays a menu, that menu temporarily replaces the screen where you are working.

Example: Calculate 5 + 93

1. 5 + 9 Enter the expression in the home screen

2. Press ç

3.Press 3 to choose the correct item from the menu

4.Press Õto calculate

Keystrokes: 2T6ç0 Õ734

Moving Between Menus

Some of the keys on your TI-84 Plus Silver Edition access more than one menu. When you press such a key, the names of all accessible menus are displayed on the top line. When you highlight a menu name, the items in that menu are displayed. Press ~and to highlight each menu name.

Setting Modes

Mode settings control how your TI-84 Plus Silver Edition displays and interprets numbers and graphs. Mode settings are retained by the Constant Memory™ feature when you turn off your TI-84 Plus Silver Edition. All numbers, including elements of matrices and lists, are displayed according to the current mode settings.

To display the mode settings on your TI-84 Plus Silver Edition, press z. The current settings will be highlighted. Default settings are highlighted below.

Normal Sci Eng Float 0123456789 Radian Degree Func Par Pol Seq Connected Dot Sequential Simul Real a+bi re ￿i Full Horiz G-T

Numeric notation Number of decimal places Unit of angle measure Type of graphing

Whether to connect graph points Whether to plot simultaneously

Real, rectangular complex, or polar complex Full screen, two split-screen modes

Changing Mode Settings

To change mode settings:

1Press Üor }to move the cursor to the line of the setting you want.

2Press ~or to move the cursor to the setting you want.

3Press Õ.

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