Texas Instruments TI 84 User Guide - Page 12

Busy Indicator When the TI-84 Plus is calculating or graphing, a vertical moving line is displayed as a busy indicator in the top-right corner of the screen. When you pause a graph or a program, the busy indicator becomes a vertical moving dotted line. Display Cursors In most cases, the appearance of the cursor indicates what will happen when you press the next key or select the next menu item to be pasted as a character. Cursor Entry Insert Second Alpha Full Appearance Effect of Next Keystroke Solid rectangle $ A character is entered at the cursor; any existing character is overwritten Underline __ A character is inserted in front of the cursor location Reverse arrow Þ A 2nd character (blue on the keyboard) is entered or a 2nd operation is executed Reverse A Ø An alpha character (green on the keyboard) is entered or SOLVE is executed Checkerboard rectangle No entry; the maximum characters are entered at # a prompt or memory is full If you press ƒ during an insertion, the cursor becomes an underlined A (A). If you press y during an insertion, the underlined cursor becomes an underlined # (#). Graphs and editors sometimes display additional cursors, which are described in other chapters. Chapter 1: Operating the TI-84 Plus Silver Edition 9