Appendix A: RPN and the Stack 241
File name: HP 12c Pt Converted_user's guide_English_HDP0F123E02_080207 Page: 235 of 281
Printed Date: { 2007/8/2Dimension: 14.8 cm x 21 cm
Example:
At Permex Pipes a certain pipe fitting is packaged in quantities of 15,
75, and 250. If the cost per fitting is $4.38, calculate the cost of each package.
*
Keystrokes
(RPN mode)
Display
4.38\\
\
4.38
Enters constant into Y-, Z-, and
T-registers.
15
15.
Enters first quantity into displayed
X-register.
§
65.70
Cost of a package of 15.
O
75
75.
Clears display and enters second
quantity into displayed X-register.
§
328.50
Cost of a package of 75.
O
250
250.
Clears display and enters third
quantity into displayed X-register.
§
1,095.00
Cost of a package of 250.
*
You may want to compare this method of arithmetic calculations with constants to the method
using
F described on page 90.