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finance-math

Index

FV Functions

IRR Functions

NPV Functions

PV Functions

FV Functions

FVAnnuity

  • FVAnnuity(rate: number, annuityPayment: number, nper: number): number

  • Computes the Future Value of a series of annuities

    Parameters

    • rate: number

      interest rate in decimals (i.e. 1% will be entered as 0.01)

    • annuityPayment: number

      cashflows due to annuity per period

    • nper: number

      number of periods or annuity payments

    Returns number

    Future value

FVMultiCashFlow

  • FVMultiCashFlow(rate: number, cashflow: number[]): number

  • Computes the Future Value of an array of n-1 cashflows in chronological order on nth period

    Parameters

    • rate: number

      interest rate in decimals (i.e. 1% will be entered as 0.01)

    • cashflow: number[]

      array of cashflows in chronological order (ie: [1,2,3] symbolizes 1 in the first period, 2 in the second period and 3 in 3rd period)

    Returns number

    Future value

FVSingleCashFlow

  • FVSingleCashFlow(rate: number, cashflow: number, nper: number): number

  • Computes the future value of a single cash flow

    Parameters

    • rate: number

      interest rate in decimals (i.e. 1% will be entered as 0.01)

    • cashflow: number

      value of single cashflow

    • nper: number

      number of periods

    Returns number

    Future value

IRR Functions

IRR

  • IRR(cashflow: number[]): number

  • Computes the IRR of a given array of cashflows

    Parameters

    • cashflow: number[]

      array of cashflows in chronological order (ie: [1,2,3] symbolizes 1 in the first period, 2 in the second period and 3 in 3rd period)

    Returns number

    IRR

NPV Functions

NPV

  • NPV(rate: number, initialInvestment: number, cashflows: number[]): number

  • Parameters

    • rate: number

      interest rate in decimals (i.e. 1% will be entered as 0.01)

    • initialInvestment: number

      initial investment amount of a project, entered as a positive value

    • cashflows: number[]

      array of cashflows in chronological order (ie: [1,2,3] symbolizes 1 in the first period, 2 in the second period and 3 in 3rd period)

    Returns number

    NPV

PV Functions

PVAnnuity

  • PVAnnuity(rate: number, annuityPayment: number, nper: number): number

  • Computes the Present Value of a series of annuities

    Parameters

    • rate: number

      interest rate in decimals (i.e. 1% will be entered as 0.01)

    • annuityPayment: number

      cashflows due to annuity per period

    • nper: number

      number of periods or annuity payments

    Returns number

    Present value

PVGrowingAnnuity

  • PVGrowingAnnuity(rate: number, cashflow: number, growth: number, nper: number): number

  • Computes the present value of a series of annuities with growth rate and discount rate. Returns 0 if growth rate exceeds interest rate.

    Parameters

    • rate: number

      interest rate in decimals (i.e. 1% will be entered as 0.01)

    • cashflow: number

      cashflow per period

    • growth: number

      growth rate in decimals (i.e. 1% will be entered as 0.01)

    • nper: number

      number of periods of annuity

    Returns number

    Present value

PVGrowingPerpetuity

  • PVGrowingPerpetuity(rate: number, cashflow: number, growth: number): number

  • Computes the present value of a series of perpetuities with growth rate and discount rate. Returns 0 if growth rate exceeds interest rate.

    Parameters

    • rate: number

      interest rate in decimals (i.e. 1% will be entered as 0.01)

    • cashflow: number

      cashflow per period

    • growth: number

      growth rate in decimals (i.e. 1% will be entered as 0.01)

    Returns number

    Present value

PVMultiCashFlow

  • PVMultiCashFlow(rate: number, cashflow: number[]): number

  • Computes the Present Value of an array of n cashflows in chronological order on 0th period

    Parameters

    • rate: number

      interest rate in decimals (i.e. 1% will be entered as 0.01)

    • cashflow: number[]

      array of cashflows in chronological order (ie: [1,2,3] symbolizes 1 in the first period, 2 in the second period and 3 in 3rd period)

    Returns number

    Present value

PVPerpetuity

  • PVPerpetuity(rate: number, cashflow: number): number

  • Computes the present value of a series of perptuities with constant growth rate

    Parameters

    • rate: number

      interest rate in decimals (i.e. 1% will be entered as 0.01)

    • cashflow: number

      cashflow per period

    Returns number

    Present value

PVSingleCashFlow

  • PVSingleCashFlow(rate: number, cashflow: number, nper: number): number

  • Computes the present value of a single cash flow

    Parameters

    • rate: number

      interest rate in decimals (i.e. 1% will be entered as 0.01)

    • cashflow: number

      value of single cashflow

    • nper: number

      number of periods

    Returns number

    Present value

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