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Loan payment calculation library with advanced features. Demo available athttp://135.181.40.67/paydowncalc/

Also available as anNPM 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

Seedist directory.

Seeexamples directory.

Both examples above are also available in the GUI demo, seehttp://paydowncalc.loan/

ClickImport example button to get the menu.

Demo source codes can be found fromgui-demo/reactive directory.

Seedoc 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