finrb 0.0.1

The finrb library (forked from the finance gem) provides a Ruby interface for financial calculations/modeling. - Working with interest rates - Mortgage amortization - Cashflows (NPV, IRR, etc.) - Computing bank discount yield (BDY) for a T-bill - Computing money market yield (MMY) for a T-bill - Cash ratio - Liquidity ratios measure the firm's ability to satisfy its short-term obligations as they come due. - Computing Coefficient of variation - Cost of goods sold and ending inventory under three methods (FIFO,LIFO,Weighted average) - Current ratio - Liquidity ratios measure the firm's ability to satisfy its short-term obligations as they come due. - Depreciation Expense Recognition - double-declining balance (DDB), the most common declining balance method, which applies two times the straight-line rate to the declining balance. - Debt ratio - Solvency ratios measure the firm's ability to satisfy its long-term obligations. - Diluted Earnings Per Share - Computing the rate of return for each period - Convert stated annual rate to the effective annual rate - Convert stated annual rate to the effective annual rate with continuous compounding - Bond-equivalent yield (BEY), 2 x the semiannual discount rate - Computing HPR, the holding period return - Equivalent/proportional Interest Rates - Basic Earnings Per Share - Financial leverage - Solvency ratios measure the firm's ability to satisfy its long-term obligations. - Estimate future value (fv) - Estimate future value of an annuity - Estimate future value (fv) of a single sum - Computing the future value of an uneven cash flow series - Geometric mean return - Gross profit margin - Evaluate a company's financial performance - Harmonic mean, average price - Computing HPR, the holding period return - Bond-equivalent yield (BEY), 2 x the semiannual discount rate - Convert holding period return to the effective annual rate - Computing money market yield (MMY) for a T-bill - Computing IRR, the internal rate of return - Calculate the net increase in common shares from the potential exercise of stock options or warrants - Long-term debt-to-equity - Solvency ratios measure the firm's ability to satisfy its long-term obligations. - Computing HPR, the holding period return - Estimate the number of periods - Net profit margin - Evaluate a company's financial performance - Computing NPV, the PV of the cash flows less the initial (time = 0) outlay - Estimate period payment - Estimate present value (pv) - Estimate present value (pv) of an annuity - Estimate present value of a perpetuity - Estimate present value (pv) of a single sum - Computing the present value of an uneven cash flow series - Quick ratio - Liquidity ratios measure the firm's ability to satisfy its short-term obligations as they come due. - Convert a given norminal rate to a continuous compounded rate - Convert a given continuous compounded rate to a norminal rate - Rate of return for a perpetuity - Computing Sampling error - Computing Roy's safety-first ratio - Computing Sharpe Ratio - Depreciation Expense Recognition - Straight-line depreciation (SL) allocates an equal amount of depreciation each year over the asset's useful life - Total debt-to-equity - Solvency ratios measure the firm's ability to satisfy its long-term obligations. - Computing TWRR, the time-weighted rate of return - Calculate weighted average shares - weighted average number of common shares - Weighted mean as a portfolio return