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Net Amount In Rpn Mode; Net Amount In Alg Mode - HP 12C Platinum User Manual

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Net Amount in RPN Mode

A net amount — that is, the base amount plus or minus the percentage amount —
can be calculated easily with your hp 12c platinum, since the calculator holds the
base amount inside after you calculate a percentage amount. To calculate a net
amount, simply calculate the percentage amount, then press = or -.
Example: You're buying a new car that lists for $23,250. The dealer offers you
a discount of 8%, and the sales tax is 6%. Find the amount the dealer is charging
you, then find the total cost to you, including tax.
Keystrokes
(RPN mode)
23250\
8b
-
6b
=

Net Amount in ALG Mode

In ALG mode, you can calculate a net amount all in one calculation:
For example, to decrease 200 by 25%, just enter 200-25b}. (Result is 150.)
Example: You borrow $1,250 from a relative, and agree to repay the loan in a
year with 7% simple interest. How much money will you owe ?
Keystrokes
(ALG mode)
1250+7b
}
Example: You're buying a new car that lists for $23,250. The dealer offers you
a discount of 8%, and the sales tax is 6%. Find the amount the dealer is charging
you, then find the total cost to you, including tax.
Keystrokes
(ALG mode)
23250-
Section 2: Percentage and Calendar Functions
Display
Keys in the base amount and
23,250.00
separates it from the percentage.
Amount of discount.
1,860.00
Base amount less discount.
21,390.00
Amount of tax (on $21,390).
1,283.40
Total cost: base amount less discount
22,673.40
plus tax.
Display
Interest on the loan is $87.50.
87.50
You owe this amount at the end of
1,337.50
one year.
Display
Keys in the base amount and
23,250.00
prepares to subtract the discount
percentage.
33

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