Android Question Rate() VB With B4a

[sapril]

I have a problem, how to write the formula b4a :

Fee = Rate(Total, Installment, -ph, 0)


please help, thank you .

 

[aeric]

Like this?

R = (1/t)(A/P-1)*100

• r = Rate of Interest per year in decimal; r = R/100
• t = Time Period involved in months or years
• A = Total Accrued Amount (principal + interest)
• P = Principal Amount
• R = Rate of Interest per year as a percent; R = r * 100

Source: https://www.calculatorsoup.com/calculators/financial/simple-interest-plus-principal-calculator.php