Texas Instruments TI-80 User Manual - Page 31
Operating the TI-80, When the TI
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Display Cursors In most cases, the appearance of the cursor indicates what will happen when you press the next key. Cursor Entry INS (insert) 2nd ALPHA memory "full" Appearance Blinking 0 Blinking _ Blinking Blinking Checkerboard rectangle Meaning The next keystroke is entered at the cursor; it types over any character. The next keystroke is inserted at the cursor. The next keystroke is a 2nd operation. The next keystroke is an alphabetic character. You have entered the maximum number of characters in a name, or memory is full. Busy Indicator Graphs and the screens for viewing and editing tables and lists have different cursors, which are described in the appropriate chapters. When the TI-80 is calculating or graphing, a vertical line shows in the upper right of the display as a busy indicator. During a pause in a program, the busy indicator is a dotted line. Operating the TI-80 1-5