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Demonstration on how to use your smartphone as your formula and calculator tool


valid only for smartphone with microphone icon. Touch clear button. Next touch any white button. Next touch microphone icon . Next speak numbers only.
For decimal use the word "point" example say, "thirteen point seventy five" . Then touch the Solve button.

Average Velocity compare to Average Speed

HOW TO USE: Select the Solve button. Then enter new number. Answer will be automatic

A straight track is meter length. A runner begins at the starting line, runs due east for the full length of the track, turns around, and runs back for m, meter. The time for this run is minutes.

What is the runner's average velocity in m/s, Answer

and what is the average speed in m/s , Answer