Professional background
Erich Ruth has developed financial and business software since 1999. His work includes designing, programming, testing, documenting, and supporting software used to calculate and review financial transactions.
For Power of Interest, Erich develops and tests Amortization Pro. The product creates loan repayment schedules, calculates principal and interest, reports annual totals, and supports irregular payment histories through editable dates, payment amounts, rates, and notes.
Areas of practical experience
- Amortization and loan repayment calculations
- Principal and interest allocation
- Irregular and additional payment schedules
- Changing interest rates and payment dates
- Financial report design and testing
- Windows business software development
How the articles are prepared
The articles on Power of Interest are written from the perspective of the person who develops and tests the software. They focus on practical schedule behavior, common input issues, and the effect that dates, rates, and payment changes have on later rows.
Content is reviewed against the current Amortization Pro workflow before publication. Articles are updated when the software, pricing, or registration process changes.
Contact Erich Ruth
Questions about Amortization Pro, licensing, installation, or an article may be directed to ERICH Incorporated.