Calculating Percentages; About Calculating Percentages - HP 10s User Manual

Scientific calculator

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Press [1] to display the settings screen.

Press the number key (

or [2] ) corresponding

to the setting required:

[1] (ab/e ) : Mixed fraction

[2] (d/e ) : Improper fraction

If you choose the d/c display format and enter a

mixed fraction, an error will occur.

Calculating percentages

About Calculating Percentages

Example 1: Calculate 15% of 1000 ?

(150)

1000 E@ 15 [suet] (%)

Example 2: What percentage of 440 is 330?

(75%)

330 EE 440 [sar] (%

Example 3: 1000 plus 15% ?

1150)

1000 EM 15 (si) (4)

Example 4: 1000 minus 15% ?

(850)

1000 E@ 15 (sir) (%)

Example 5: If the original weight of a sample is 400g

and a further 100g is added to it, what is the new

weight as a percentage of the old weight?

(125%)

100 EB 400 [sain] (.% J

Example 6: If the temperature increases from 60°C

to 66°C, what is the percentage increase? What is

it when the temperature increases to 69°C?

(10%, 15%)

66 Ed 60 [sin )

CaCaas =|

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