HP 10BII User Manual page 36

Using Margin and Markup Together
$ IRRG FRRSHUDWLYH EX\V FDVHV RI FDQQHG VRXS ZLWK DQ LQYRLFH
Example.
FRVW RI  SHU FDVH ,I WKH FRRS URXWLQHO\ XVHV D 
SULFH VKRXOG LW VHOO D FDVH RI VRXS" :KDW LV WKH PDUJLQ"
Keys:
7

c
]
36 2: Business Percentages
Display:
9.60
15.00
11.04
13.04
PDUNXS IRU ZKDW
Description:
6WRUHV LQYRLFH FRVW
6WRUHV PDUNXS
&DOFXODWHV WKH SULFH RQ
D FDVH RI VRXS
&DOFXODWHV PDUJLQ