Credit Card Calculator
Simulates the revolving credit (rotativo) widely used in Brazil, including:
- Interest
- IOF
- Next invoice projection
- Cost alerts
Example
const rotativo = calc.calcRotativo(1000, 300, 15);
rotativo.formatted.custoTotal;
rotativo.alerta;
Alerts may include:
- "Low cost"
- "Medium cost"
- "High cost"