Re: Swift Advances Plc?
The calculator I use....uses this formulaThis calculator first calculates the monthly payment using C+E as the total loan amount:
where r is the adjusted equivalent interest rate applied to the total loan amount C+E
The APR is essentially the actual interest rate applied to the intended loan amount C and can be calculated iteratively by solving the following equation using the Newton-Raphson method:
The annual percentage rate A is calculated using the following formula: 
Sparkie
The calculator I use....uses this formulaThis calculator first calculates the monthly payment using C+E as the total loan amount:




Sparkie




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