pub fn convert_ear_to_epr_solution(
ear: f64,
compounding_periods_in_year: u32,
) -> ConvertRateSolutionExpand description
Convert an EAR (Effective Annual Rate) to periodic rate (also known as EPR). Returns a solution struct with additional information and functionality. /// Related Functions:
convert_ear_to_eprto convert EAR to EPR and return a single f64 value.
The formula is:
or this formula can be re-written as:
§Arguments
ear- The input rate (effective annual rate), expressed as a floating point number. For instance 0.05 would mean 5%. Often appears asroriin formulas.periods- The number of compounding periods in a year. Often appears asnort.
§Panics
periods- must be a u32 value greater than or equal to 1.
§Example
Convert effective annual rate to periodic rate.
use finance_solution::*;
// The effective annual rate is 3.4534%.
// There are 12 compounding periods per year.
let effective_annual_rate = 0.03453486936;
let periods = 12;
let ear_to_epr_solution = convert_rate::convert_ear_to_epr_solution(effective_annual_rate, periods);
// Confirm that the EPR is correct.
assert_approx_equal!(0.00283333, ear_to_epr_solution.epr());