HP -65 Owner's Handbook Manual page 48

46 Functions
Sample Case: Natural Antilogarithm. Display the constant e to
nine places (e—e'—natural antilog I).
Press See Displayed Comment
1
EEEss
=3 ]9 B Ansver.
L2 BB Rcsct display.
Sample Case: Square and Square Root. Whatsize square has the
same area as a circle whose radius is 3?
Method. 77< 32 is the area of the circle. The square root of this
value gives the side of a square of equal area.
Equal Areas
Press See Displayed Comment
E
3.74
™
3@ 9.00 32
B8 - Area of circle.
| B3 Size of square.