Adding or subtracting a percent, Keys, Display – HP 10B User Manual
Page 35: Description, Percent change, Example, Keys: display: description
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Adding or Subtracting a Percent
You can add or subtract a percent in one calculation.
Example.
Decrease 200 by 25%.
Keys:
Display:
Description:
200
0
200.00
Enters 200.
25 ®
50.00
Multiplies 200 by 0.25.
0
150.00
Subtracts 50 from 200.
Example.
You borrow $1,2S0 from a relative, and you agree to repay the
loan in a year with 7% simple Interest. How much money will you owe?
Keys;
1250 07®
0
Display:
87.50
1.337.50
Description:
Calculates loan interest.
Adds $87.50 and
$1,250.00 to show repay
ment amount.
Percent Change
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Calculate the percent change between two numbers (/ij and
/
12
,
expressed as a percent of/t|) by entering
/i| lINPUTi /I
2
,
then press ||
Example.
Calculate the percent change between 291.7 and 316.8.
Keys:
n?ijm
291.7
316.8 idCHQ)
Display:
291.70
8.60
Description:
Enters ni.
Calculates percent
change.
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