Compound Interest/Depreciation (Junior Cert Mathematics): Flashcards

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Depreciation
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Definition of depreciation

Process of reducing an asset's value over time due to use and age

Asset (in depreciation context)

Item that is losing value over time

Depreciation rate (ii)

Percentage by which asset value decreases each year

Initial value (PP)

Original value/cost of asset when new

Final value (FF)

Asset value after depreciation over time

Depreciation formula

F=P(1i)tF = P(1 - i)^t

Variable FF in depreciation formula

Final value after depreciation

Variable PP in depreciation formula

Initial value of asset

Variable ii in depreciation formula

Depreciation rate as decimal

Variable tt in depreciation formula

Time in years

How to convert % to decimal

Divide by 100

Reason for subtracting ii from 1 in formula

Shows how much value remains each year

Why raise (1i)(1-i) to power of tt

Calculates value decrease over time

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