Module: CashFlowAnalysis::Calculator::Payment
- Defined in:
- lib/cash_flow_analysis/calculator/payment.rb
Class Method Summary collapse
-
.calculate(principal, term, per_period_rate) ⇒ Numeric
Calculates the payment for a loan, assuming fixed payments and rates.
Class Method Details
.calculate(principal, term, per_period_rate) ⇒ Numeric
Calculates the payment for a loan, assuming fixed payments and rates.
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# File 'lib/cash_flow_analysis/calculator/payment.rb', line 10 def self.calculate(principal, term, per_period_rate) (per_period_rate * principal) / (1 - ((1 + per_period_rate) ** (-1 * term))) end |