https://github.com/hyperjiang/finance

Financial functions with the Excel function names and parameter order, along with an installment calculator.
https://github.com/hyperjiang/finance

Last synced: 12 months ago
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Financial functions with the Excel function names and parameter order, along with an installment calculator.

• Host: GitHub
• URL: https://github.com/hyperjiang/finance
• Owner: hyperjiang
• License: mit
• Created: 2020-07-05T14:59:44.000Z (almost 6 years ago)
• Default Branch: master
• Last Pushed: 2020-08-01T23:43:02.000Z (almost 6 years ago)
• Last Synced: 2025-03-02T08:46:02.340Z (over 1 year ago)
• Language: Go
• Homepage:
• Size: 19.5 KB
• Stars: 0
• Watchers: 2
• Forks: 1
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

          
# finance

[![GoDoc](https://godoc.org/github.com/hyperjiang/finance?status.svg)](https://pkg.go.dev/github.com/hyperjiang/finance?tab=doc)

[![Build Status](https://travis-ci.org/hyperjiang/finance.svg?branch=master)](https://travis-ci.org/hyperjiang/finance)

[![](https://goreportcard.com/badge/github.com/hyperjiang/finance)](https://goreportcard.com/report/github.com/hyperjiang/finance)

[![codecov](https://codecov.io/gh/hyperjiang/finance/branch/master/graph/badge.svg)](https://codecov.io/gh/hyperjiang/finance)

[![Release](https://img.shields.io/github/release/hyperjiang/finance.svg)](https://github.com/hyperjiang/finance/releases)

Financial functions with the Excel function names and parameter order, along with an installment calculator.

Require go version >= 1.13.

## Available Functions

- `PMT`: calculates the payment for a loan based on constant payments and a constant interest rate.

- `IPMT`: returns the interest payment for a given period for an investment based on periodic, constant payments and a constant interest rate.

- `PPMT`: returns the payment on the principal for a given period for an investment based on periodic, constant payments and a constant interest rate.

- `PV`: returns the present value of an investment.

- `FV`: returns the future value of an investment based on periodic, constant payments and a constant interest rate.

- `NPER`: returns the number of periods for an investment based on periodic, constant payments and a constant interest rate.

- `RATE`: calculates interest rate per period of an annuity.

## Installment Calculator

Demo usage:

```

import (

    "fmt"

    "github.com/hyperjiang/finance"

)

loan := finance.Loan{

    AnnualRate: 0.07,

    Periods:    12,

    Amount:     1000000,

    Method:     finance.EqualPayment,

}

installments := loan.CalculateInstallments()

fmt.Println(installments)

```