hp40g+.book Page 26 Friday, December 9, 2005 1:03 AM
3.Use the arrow keys to navigate through the options.
4.To see the symbol and value of a selected constant,
press 
. (Click 
to close the information window that appears.)
The following example shows the information available about the speed of light (one of the physics constants).
5.To use the selected constant in a calculation, press
. The constant appears at the position of the cursor on the edit line.
Example
Suppose you want to know the potential energy of a mass of 5 units according to the equation E = mc2.
1.Enter 5 
2.Press 
and then press 
.
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