Sharp EL9900C EL-9900C - Page 141
List Features
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Chapter 9 List Features List features can be used in both Advanced and Basic mode. In this chapter, all the procedures are based on the Advanced mode. In the Basic mode, press @ l and select A NAME to access L1 to L6. 1. Try it! By analyzing years of data, we found that it takes the driver of a car approximately 0.75 seconds to react to a situation before actually applying the brakes. Once the brake pedal is depressed, it takes additional time for the car to come to a complete stop. Here is the equation used to compute total stopping distance on dry, level concrete: The reaction time distance (in feet) = 1.1 times the speed (in miles per hour); The braking distance = 0.06 times the speed squared; y = (1.1 × v) + (0.06 × v2), where y represents the total stopping distance (in feet), and v represents the speed (miles/ hour) Calculate the total stopping distances at the speeds of 30, 40, 50, 60, 70, 80 miles per hour. CONCEPT PROCEDURE Enter each speed value in the list 1. You can calculate all answers individually, but if you use list, you can obtain the results with one calculation. 2. Press # C to enter the calculation screen. 3. Press @ { 30 , 40 , 50 , 60 , 70 , 80 @ } The calculator displays the set of data. 131