Tools¶

The Tools section is a suite of financial calculators for modeling and analysis. Each calculator has interactive inputs and results that update in real time, with charts or tables where useful.

Time Value of Money¶

PV / FV Annuity — present or future value of a stream of regular payments, with ordinary or annuity-due timing and a choice of compounding frequency.
Compound Interest — model investment growth with regular contributions.
Doubling Rule — time to reach a target multiple, including the Rule of 72 and Rule of 69.3, and the rate needed to double over a given horizon.

Fixed Income¶

Bond Pricing — price a bond from its face value, coupon, maturity, and market yield; see current yield, duration, and convexity, plus the price–yield curve.
Yield Calculator — solve for yield to maturity, yield to call, and yield to worst, including callable bonds.
Convertible Bond — analyze a convertible: straight-bond value, conversion value, conversion premium, and break-even.

Options¶

Black-Scholes — price European calls and puts, with the full set of Greeks and an intrinsic-versus-time-value breakdown.

Debt Analysis¶

Loan Amortization — build a full amortization schedule for mortgages and loans, with flexible payment frequencies and the interest saved from extra payments.
Debt & Stress Test — analyze debt, coverage, and repayment capacity under different scenarios (coming soon).