HP -22S Owner's Manual page 127

Entering the Equations. Press
.1
EQUATIONS I,
then [Y]
(if
necessary)
until the HP-22S displays
TYPE NEW EQN.
Type equation #1 and
press
1
INPUT I.
Press [y], type equation #2
(.0
types
SQ
<)
and press
1
INPUT I.
Example:
Part 1:
Shot-putter Hi Hurler can "put" a shot-put with an
initial velocity of 34 feet/second. If the initial angle of the trajectory is
43°, and the shot-put is released at a height of 5 feet, how far can Hi
throw?
y
(O,h)
, ,
/
~--------------~~---x
Since X is a function of T, you must first solve for T using the second
equation. Press
.1
EQUATIONS I
and display equation #2. Then:
Keys:
@].IMODESI
{DG}
1
I]!Q]
T
5.lsOLVEI
{T}
5
1
INPUT I
Display:
A G H T V Y
Y?value
H?value
V?value
Description:
Sets Degrees mode.
Enters 1 and 5 as
guesses for T.
Selects T, prompts for
Y.
Stores Y, prompts for
H.
Stores H, prompts for
V.
8: Additional Examples 127