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Section 12: Subroutines191
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Before you begin, be sure that all of the upper-row keys do not have any
functions assigned to them. For example, PROMPT is now
assigned to the Σ+ key location. To remove the
assignments:
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Now run the program. Make sure the calculator is in USER mode.
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Now run the program (local label B) to find the rate of travel of the first Antarctic
continent crossing from Shackelton Base to Scott Base by way of the Pole. The
crossing spanned 2,158 miles and took 99 days.
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Finally, run the program (local label C) to find the time for a tsunami (a
large wave caused by a seaquake) to reach the southern shore of the Pacific
Island Iwo. The wave is traveling at a constant 2.25 meters per second and is
300 meters off shore.
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