Percent Change - HP -22S Owner's Manual

Percent Change
To calculate the percent change between two numbers, nt and n2, ex-
pressed as a percentage of
nv
key in:
nt I INPUT I
n2
.1
%CHG I
Calculate the percent change between 291.7 and 316.8.
Keys: Display:
291.7 II NPUT I
291.7131313 :
316.8
.1
%CHG I
8.61347
Description:
Enters nt. (The colon
separates nt and n2')
Calculates percent
change.
Calculate the percent change between (12 x 5) and (65
+
18).
120511NPUTI
65
G
18 .I%CHGI
Pi (1r)
613.13131313 :
38.3333
Calculates and enters
nt·
Percent change be-
tween 60 and (65
+
18).
Pressing
.w
displays the value of
1r.
Although the displayed value is
rounded to the current display format, the 12-digit value is actually
used.
Example: Surface Area of a Sphere. Find the surface area of a
sphere with radius 4.5" (surface area 41rr
2 ).
Keys:
40.w
04.5.~0
Display:
X3.1416
254.46913
44 3: Numeric Functions
Description:
Displays
1r.
Surface area in square
inches.