Loan payment calculation library with advanced features. Demo available at http://135.181.40.67/paydowncalc/
Also available as an NPM package.
- fully leap year aware
- freely selectable calculation period
- daily interest calculation
- negative interest calculation
- recurring payments
- recurring payment period length setting
- day count methods supported:
- act / 360
- act / 365
- payment methods supported:
- equal installment
- equal principal reduction
- freely settable rate changes and extra payments
- optional calculation of payment fees
See dist directory.
See examples directory.
Both examples above are also available in the GUI demo, see http://paydowncalc.loan/
Click Import example button to get the menu.
Demo source codes can be found from gui-demo/reactive directory.
See doc directory.
- more tests
- better input validation
- better documentation
- more day count methods
- loan term features
- etc.
Contributions are welcome.
Copyright (c) 2019 Jussi Utunen
Licensed under the MIT License