@prestamype/financial-functions

financial-functions

Implementación de funciones financieras.

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cronograma

Summary

Utility functions to calculate payment schedules

Types

• payment_item

Functions

• flexible(amount, nper, i_rate, commission_rate)
• fija(amount, nper, i_rate, commission_rate)
• puente(amount, nper, i_rate, commission_rate)

Types

payment: { i: Number, amortization: Number, fee: Number }

Where:

• i: interes en soles
• amortization: amortizacion en soles
• fee: cuota total en soles, suma de interes y amortizacion. Por conveniencia para sacar el flujo directamente

Functions

All cronograma functions are implementations of the same interface that calculates the payment schedule. total_amount: es amount + el total de la comision a pagar

• flexible(amount, nper, i_rate, commission_rate)

  flexible(Number, Number, Number, Number) :: { payments: [payment], total_amount: Number }

• fija(amount, nper, i_rate, commission_rate)

  fija(Number, Number, Number, Number) :: { payments: [payment], total_amount: Number }

• puente(amount, nper, i_rate, commission_rate)

  puente(Number, Number, Number, Number) :: { payments: [payment], total_amount: Number }

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tasa

Summary

Types

Functions

• tir(flow)
• tcea(tir)
• main(flow)

Types

Functions

• tir(flow) Obtener la Tasa Interna de Retorno (TIR) a partir de un flujo, usualmente el primer elemento es el monto desembolsado total_amount y los siguientes son payment.fee

  async tir([Number]) :: Number | null

• tcea(tir)

  tcea(Number) :: Number

• main(flow)

  async main([Number]) :: { tir: Number | null, tcea: Number | null, tcem: Number | null }