HP 49g Graphing Calculator - Manual (Page 70)

Powers. To cube 2ft/s.
1. Enter (2_ft/s).
Note that when you are in algebraic mode and raising a imit object to a
power, the unit object must be entered in parentheses.
2. Press ©•
3. Enters.
4. Press (ITER).
The answer is
In RPN mode: follow steps 1, 3, and 2. Parentheses are not required
around unit objects in RPN mode.
Percentages. To find what percentage of 4.2cm^ is lin^:
1
. Press
0 (MlB) real % t .
2. Enter l_in^3.
3. Press 0Q.
4. Enter 4.2_cm^3.
5. Press (EB).
The answer is 25.6299725198.
In RPN mode: follow steps 2, 4, and 1.
Unit objects Page 6-7