HP 33s User Manual page 113

Ï
º Î
g (acceleration due to gravity) is included as a variable so you can change it for
different units (9.8 m/s
Calculate how many meters an object falls in 5 seconds, starting from rest. Since
Equation mode is turned on and the desired equation is already in the display, you
can start solving for D :
Keys:
Û
D
¥
0
¥
5
¥
9.8
Try another calculation using the same equation: how long does it take an object
to fall 500 meters from rest ?
Keys:
º d
Û
T
¥
500
¥
¥



2 2
or 32.2 ft/s ).
Display:
 _ 

value 

value 

value 



Display:










Terminates the equation
and displays the left end.
Checksum and length.
Description:
Prompts for unknown
variable.
Selects D ; prompts for V .
Stores 0 in V ; prompts for
T.
Stores 5 in T ; prompts for
G .
Stores 9.8 in G ; solves
for D .
Description:
Displays the equation.
Solves for T ; prompts for
D .
Stores 500 in D ; prompts
for V .
Retains 0 in V ; prompts
for G .
Retains 9.8 in G ; solves
for T .
Solving Equations
7–3