Function financial::fv

pub fn fv(
    rate: &f64, 
    nper: &f64, 
    pmt: &Option<f64>, 
    pv: &Option<f64>, 
    pmt_at_begining: &Option<bool>
) -> f64

Calculates the future value of an investment based on a constant interest rate. You can use FV with either periodic, constant payments, or a single lump sum payment.

Examples

let fv = financial::fv(&0.1, &5.0, &Some(100.0), &Some(1000.0), &Some(false));
assert_eq!(fv, -2221.020000000001);