4–6 Real–Number Functions
File name 32sii-Manual-E-0424
Printed Date : 2003/4/24 Size : 17.7 x 25.2 cm
To Calculate Press:
x% of y y
x
{
P
Percentage change from y to x. (y
≠
0) y
x
{
S
Example:
Find the sales tax at 6% and the total cost of a $15.76 item.
Use FIX 2 display format so the costs are rounded appropriately.
Keys: Display: Description:
z
{
%
} 2
Rounds display to two decimal
places.
15.76
)
6
{
P
)
Calculates 6% tax.
)
Total cost (base price + 6% tax).
Suppose that the $15.76 item cost $16.12 last year. What is the percentage
change from last year's price to this year's
?
Keys: Display: Description:
16.12
)
15.76
{
S
.)
This year's price dropped about
2.2% from last year's price.
z
{
%
} 4
.)
Restores FIX 4 format.
Note
The order of the two numbers is important for the %CHG
function. The order affects whether the percentage change is
considered positive or negative.
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