Section 3: Functions46
Sample Case: Natural Antilogarithm. Display the constant e to nine places (e=e1=natural antilog 1).
Press   See Displayed   Comment
1 f-1LN  
  2.72
   
DSP    9  
  2.718281828
  Answer.
DSP    2  
  2.72
  Reset display.
Sample Case: Square and Square Root. What size square has the same area as a circle whose radius is 3?
Method: π × 32 is the area of the circle. The square root of this value gives the side of a square of equal area.
Press   See Displayed   Comment
g    
  3.14
  π
3 f-1   
  9.00
  32
×   
  28.27
  Area of circle.
f    
  5.32
  Size of square.