Future Value

By: G.A.JAGUAR

A simple calculator for the future value of an investment.

Build Setup

Docker

Fast setup (only linux os)

# build docker container and install dependencies.
sh install.sh

Manual

# create a docker image
docker-compose build

# install dependencies
docker-compose run --rm server pnpm i

# build for production
docker-compose run --rm server yarn build

Local

# install dependencies
# pnpm (recommended to save disk space)
pnpm i
# or with yarn
yarn
# or native
npm install

# build for production
pnpm build

Installation

Add to your project with next command:

# npm
npm install @gajaguar/future-value
# yarn
yarn add @gajaguar/future-value
# or pnpm
pnpn add @gajaguar/future-value

Usage

This package contain a function for each element that intervene in the calculation of the future value of an investment.

Which are futureValue, presentValue, interest (as effective interest), nominalInterest and periods.

Only import the desired function from package:

// require format
const { futureValue } = require('@gajaguar/future-value')

// ES5 import
import { futureValue } from '@gajaguar/future-value'

futureValue

Formula

Where:

V_f: Future value

V_p: Present value

i: Interest rate

n: Number of periods

Parameters

Name	Type	Default	Description
presentValue	number | string	undefined	Current or initial value of the investment.
interest	number | string	undefined	Interest rate of the investment.
periods	number | string	12	Number of the investment periods (usually moths).

presentValue

Formula

Where:

V_p: Present value

V_f: Future value

i: Interest rate

n: Number of periods

Parameters

Name	Type	Default	Description
futureValue	number | string	undefined	Investment value after specified periods.
interest	number | string	undefined	Interest rate of the investment.
periods	number | string	12	Number of the investment periods (usually moths).

interest

Formula

Where:

i: Interest rate

V_p: Present value

V_f: Future value

n: Number of periods

Parameters

Name	Type	Default	Description
presentValue	number | string	undefined	Current or initial value of the investment.
futureValue	number | string	undefined	Investment value after specified periods.
periods	number | string	12	Number of the investment periods (usually moths).

interest

Formula

Where:

n: Number of periods

i: Interest rate

V_p: Present value

V_f: Future value

Parameters

Name	Type	Default	Description
presentValue	number | string	undefined	Current or initial value of the investment.
futureValue	number | string	undefined	Investment value after specified periods.
interest	number | string	undefined	Interest rate of the investment.

nominalInterest

Formula

Where:

i_n: Nominal interest rate

n: Number of periods

i: Interest rate

Parameters

Name	Type	Default	Description
interest	number | string	undefined	Interest rate of the investment.
periods	number | string	12	Number of the investment periods (usually moths).