loan-calculations

Module for providing loan and interest calculations.

Install

npm i loan-calculations

API

Functions

getSumPaid(term, monthly, date, installmentDay)

Calculates total amount paid

Kind: global function

| Param | Type | Description | | --- | --- | --- | | term | number | Number of installments | | monthly | number | Monthly payment | | date | Date | Acceptance date | | installmentDay | number | Day in month of installment payment |

getInstallment(amount, interestRate, term, roundingFn) ⇒ Promise

Single installment value

Kind: global function

| Param | Type | Description | | --- | --- | --- | | amount | number | Loan amount | | interestRate | number | Loan interest rate | | term | number | Number on installments (monthly payments) | | roundingFn | function | Rounding function |

getRpsn(amount, term, monthly, date, installmentDay)

Calculates loan yearly percentage rate

Kind: global function

| Param | Type | Description | | --- | --- | --- | | amount | number | Loan amount | | term | number | Number of installments | | monthly | number | Monthly payment | | date | Date | Acceptance date | | installmentDay | number | Day in month of installment payment |

Example

getRpsn(120000, 60, 2700, new Date('2016-07-05'), 5)

Author

• Viktor Bezdek (@viktorbezdek)
• Petr Certik (@czert)

License

MIT © SiteOne