# Portfolio Investment TI89 App with Step by Step Solutions

## Solve Portfolio and Investment questions stepwise using the TI89 Calculator

Version 4.0

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Access the head menu by hitting the F1 or F2 or … key on the Calculator. To access an item, simply scroll down from the head menu using the cursor buttons.

The following gives an overview of all functions in the

Main module:

 F1:Stocks F2: Portfolios F3: Bonds F4: Math F5:  Business F6: More F7: Exit 1 Stock Analyzer Portfolio Beta Law of 1 Price Weighted Mean Financial Management Security: Risk and Return Exit 2 Stock Analyzer (n-1) Beta=ρj * σj / σm Current Yield Solve any Equation Capital Budgeting Black Scholes About 3 Stock Beta Target Beta Bond Duration Solve 2x2 - System Future value: Compounded Annually Black Scholes: using d1 and d2 4 Equity & Asset Beta Optimal Market Portfolio Convexity Solve 3x3 - System Money Solver Put Call Parity 5 Find CAPM Line Mean Variance Analysis Approximate Convexity Statistics Compute Markup Down and Out Price 6 CAPM Line Solver Optimal 2 Asset Portfolio Yield to Maturity Forecasting Compute Margin Warrant Price 7 Company Valuation Minimum Variance Point Bond Amortization Schedule Regression Margin <-> Markup Utility under Uncertainty 8 Company Value 2-Asset Portfolio Analysis Zero Amortization Schedule Algebra Inflation Rate Risk Premiums 9 Company Discount Rate Portfolio Risk (using Correlation) Discount on Bond Combinatorics Real Rate of Return Stochastic Dominance A Compute Covariance 3-Asset Portfolio Analysis Premium on Bond Probability Purchase Power Parity Value at Risk B Sharpe (Single Index Model) 3-Asset Risk and Return PV Zero Coupon Ratios Interest Rate Parity Theorem Conversion: Simple <-> Continuous Return C Covariance Solver Covariance (Single Index Model) PV Bond Percentages Net Present Value Game Theory Step by Step Analysis D σij = βi*βj*σm2 Target Return Effective Interest Rate Compute f(a) Net Present Value (Bond) Markoff Chains E Vasicek Formula Diversification Determination of Interest Rate All-in-one-Explorer Vectors&Matrices incl. Simplex Algorithm (STEP BY STEP) and Cholesky F Find Weighted Mean APT Equilibrium Bond Price with accrued Interest Find Zeros Decision Analysis G Find Mean, Standard Deviation, Skewness, Kurtosis Portfolio Selector by criteria: Geometric Mean Roy Telser Kataoka Bond Price without accrued Interest Find Intersection Analytic Hierarchy Process (AHP) H Stock Valuation: Constant Growth, Preferred Stock, Zero Growth Gordon Shapiro, Multiple Growth Marginal Analysis I Demand Analysis J Linear Programming : Maximum K Linear Programming : Minimum L Graph Inequality M Graph Region N Modigliani Miller O Surplus Risk

STATISTICS , FORECASTING/REGRESSION AND ALGEBRA:

 F1: Statistics F2: Regression/ Forecasting F3: Algebra F4: Exit 1: Average, Mean, Median Linear Regression Compute 2: Weighted Average Quadratic Regression Solver 3: Standard Deviation, Variance, Range Cubic Regression Simplify 4: Ratios, Proportions Quartic Regression Factor 5: Percentages % Power Regression Expand 6: Random Numbers Exponential Regression Common Denominator 7: Logarithmic Regression Simplify Fractions 8: Sinusoidal Regression 9: Logistic Regression 10: MedMed 11: 12: 13:

FINANCIAL MANAGEMENT:

 F1: Inventory F2: Equity F3: Debt F4: Pricing F5: Cost Capital F6: Options 1: Cost Discount Cost of Preferred Equity Real Debt Rate Beta WACC Black Scholes 2: Cost to Carry Issuance Cost of Stock Effective Interest Rate Risk Free Rate Put Call Parity 3: Annual Ord. Cost Bond Yield to Maturity Capital Asset Put Call Solver 4: Annual Purchase Cost Div Yield Growth 5: Total Inventory Cost Arbitrage 6: Econ. Order Quantity Bond Yield 7: Weekly Order Quantity 8: EOQ Graph 9: Reorder Point A: Item Fill Rate B: Restock Level C: D:

CAPITAL BUDGETING:

 F1: Measures F2: Budgeting 1: XS PV Index Payback 2: Interest Expense Discounted Payback 3: Effective Annual Rate ARR 4: Hurdle Rate NPV(no depreciation) NPV(with depreciation) 5: IRR 6: 7: 8: 9: A: B: C: D:

RATIOS:

 F1: Liquidity and Activity Ratios F2: Profitability1 F3: Profitability2 F4: Efficiency F5: Leverage 1: Current Ratio Rate of Return Assets Book Value per Share Total Asset Turnover LT Debt to Total Asset 2: Quick/Acid-test Ratio Rate of Return of Equity Payout Avg Collection Per. LT Debt to Total Equity 3: Networking Capital Equity Multiplier Plowback, PB Inventory Turnover Debt Equity 4: Cash Flow Operations Current Liability Rate of Return on SE Growth in Equation from PB Fixed Asset Turnover Times Interest Earned 5: Cash Flow Operations Total Liability Earning per Share Interval Measure Days Sales in Inventory Cash Coverage 6: Cash Ratio Profit Margin Sale AR Turnover Current Cash Debt Coverage 7: Day Inventory Held Operating Profit Margin Day AR Outstanding Long Term Debt 8: AP Turnover Profit Margin ROA 9: Day AP Outstanding Profit Margin ROCE 10: Current Cash Debt 11: 12: 13: