This formula sheet includes formulas used in a law school corporate finance course. Formulas relate to present/future value; present/future values of perpetuities including those that are delayed or at constant growth; annuities; bonds including present value, yield to maturity, duration, and modified duration; calculating stock prices and dividends with and without growth; business metrics such as ROE, present value of growth opportunities, dividend yield, etc.; calculating risk; portfolio analysis and theory including rate of return, variance, the Sharpe ratio, and the Capital Asset Pricing Model; beta of a security and the significance of various values of beta; the net present value rule; efficient market theory; the calculating the cost of capital including the weighted average cost of capital before and after tax; debt instruments and interest payments; the present value of a tax shield; and calculating the market value of a firm.