Question about Texas Instruments TI-89 Calculator
You can delete any object from memory by pressing 2ND [VAR-LINK], use up/down-arrow to highlight the object, press F1, then select 1: Delete.
You can convert any result to numeric by pressing diamond ENTER. If you want all results to be numeric, press MODE F2, down-arrow to the "Exact/Approx" line, right-arrow, and select "APPROXIMATE."
Posted on Dec 31, 2010
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Posted on Jan 02, 2017
Tips for a great answer:
Every 9,000 miles (14,500 km) the unit will show "SVC" on the display. This will continue until the service is performed and the service odometer is reset.
1. Determine mileage.
A. While in Dormant Mode enter Test Mode by pressing and holding the Heart Rate and Level keys simultaneously for five seconds.
B. Press the Dist key. DIST appears on the display. Record Mileage. NOTE: Once the unit exceeds 999 miles or kilometers the odometer will use both screens. Example:
12,805 miles or km would be displayed as 12 805 . NOTE: To exit Test Mode, press the Pause/Stop key .
Every 5,000 miles (8,000 km).
? Check running belt tension and tracking.
? Move treadmill and vacuum underneath..
? Lubricate elevation pivot points.
(Watch the videos for tentioning and lubricating treadmill belt.)
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