Calculations Of List And Net Prices With Discounts - HP 12c Platinum Reference Manual

Calculations of List and Net prices With
Discounts
It is often useful to be able to quickly calculate a list or net price when the other price and
a series of discount rates are known. Alternatively, if the list and net price and several
discounts are known it may be desirable to calculate a missing discount. The following
series of keystrokes may be used:
RPN Mode:
1. Key in 1, press \\? 1.
2. Key in the first discount (as a percentage) and press b-?§ 1 d .
3. Repeat step 2 for each of the remaining known discount rates.
4. To calculate the list price, key in the net price and press : 1 z .
5. To calculate the net price, key in the list price and press : 1 § .
6. To calculate an unknown discount rate, immediately after step 3 (display should show
1.00), key in the net price, press \ and key in the list price.
7. Press : 1 §z- 100 § .
ALG Mode:
1. Key in 1, press ? 1.
2. Key in 1 - , key in the first discount (as a percentage) and press b³?§ 1.
3. Repeat step 2 for each of the remaining known discount rates.
4. To calculate the list price, key in the net price and press z: 1 ³ .
5. To calculate the net price, key in the list price and press §: 1 ³ .
6. To calculate an unknown discount rate, immediately after doing step 3 , key in the list
price, press §: 1 ³ , then key in the net price.
7. Press àÞ .
Example: The list price of an item is $3.28 and the net price is $1.45. Two of the discount
rates are 48% and 5%. What is the third discount rate?
12c platinum / 12C
RPN Keystrokes
1\\
?1
48b-?§1
d 5b-?§1 1-5b³?§1
d1.45\
3.28:1
§z-100§
12c platinum
ALG Keystrokes
1
?1
1-48b³?§1
3.28§:1
³1.45àÞ
Pricing Calculations
Display Comments
1.00
0.52
0.95
0.49
3rd discount rate (%).
10.51
95