HP 30b Professional manual Find the percent change between 20 and 35 with no compounding

2. Find the percent change between 20 and 35 with no compounding.

Table 10-2 Percent Change Example

KeysDisplayDescription

:# Opens the %Calc menu.

<<<

I

Scrolls to %Change.

Opens the %Change sub-menu.

20I

Inputs 20 for Old.

<35

I

Inputs 35 for New.

<=

Calculates the current value of %Change for the given data.

NOTE: although the example in Table 10-2calls for no compounding, you may specify the number of compounding periods used in calculations with the Nb Period item in the %Change sub-menu. Nb Period is the number of compounding periods used in calculations between the old value and new value. The default is 1, but to change the setting, key in a

number with Nb Period displayed, followed by I.

After calculating the example above with no compounding, say, for example, you wish to calculate the percent change over six compounding periods:

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