1. Place cursor in front of the number in the row for Speed of Sound.       Highlight the number in that box.

	2. Type in the desired value (in this case 310) in the box that corresponds to the m/s units.

	3. You are done! Just read the desired results from the corresponding rows.      In this case we wanted Geometric Altitude and Gravitational Acceleration.      The Geometric Altitude is 7,550.6 m, 24,772.2 ft, or 4.6917 sm. The      Gravitational Acceleration is 9.783 m2/s, 32.098 ft2/s.

     Important: There are times when a problem may have multiple solutions. For example there are two
     altitudes in which the temperature is -2.5 ^oC. At 8,836.7 ft and 168,676.1 ft, yet if you input - 2.5 ^oC
     on the Temperature row you will always get the solution that lies at the lowest altitude, that is,
     8,836.7 ft. This is always true for all other properties that have multiple solutions.

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     Note that it does not matter the order that you enter the rows. The remaining row (field) will
     be calculated based on the values of the other two rows when the Eval button of that row is pressed.

     * Time estimates are based on a person that already knows how to use the web site.