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 | Key Index | 
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| 4 Key Index | 
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 | Key | Primary Function | Combined with! | Combined with | |
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 | Trace | Selects 1st function menu item. | Performs trace operation. | 
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 | Zoom | Selects 2nd function menu item. | Performs zoom operation. | 
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| 3 | Selects 3rd function menu item. | parameter input screen. | 
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 | Sketch | Performs sketch operation. | 
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| 4 | Selects 4th function menu item. | 
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| 5 | Selects 5th function menu item. | 
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 | G↔T | Selects 6th function menu item. | Switches display between | 
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| 6 | graph and text screens. | 
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 | Key | Primary Function | Combined with! | Combined with | |
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Activates shift functions of other
!keys and function menus.
KDisplays option menu.
| PRGM | 
 | Displays program command | 
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| J Displays the variable data menu. | menu. | 
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| SET UP | 
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| m Returns to the Main Menu. | Shows the Setup screen. | 
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| A  | Allows entry of alphanumeric | Locks entry of alpha- | 
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| a characters shown in red. | numeric characters. | 
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 | r | Press after entering value to | Press before entering value | Enters | 
| w calculate square. | to calculate square root. | character r. | ||
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 | Linear Input Mode: | 
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 | Press between two values to | Press between entering | 
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| x | θ | values for X & Y to show xth | Enters | |
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 | make second value exponent of | root of y. | ||
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| M first. | Math Input Mode: | |||
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 | Enters x ( ) in natural | 
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| QUIT | Back steps to the previous screen | Returns directly to initial | 
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| J without making any changes. | screen of the mode. | 
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 | Moves cursor upward. Scrolls screen. | Scrolls one screen up in | 
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| f Switches to previous function in | the e •ACT or RUN • MAT | 
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 | trace mode. | (Math input mode) mode. | 
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