Investor is a software for financial analysis, estimation, pricing and profit calculation of different investment strategies (Hedge, Arbitrage, Speculate, etc.) of underlying assets (stocks, currencies, etc.) and derivatives (Options, Forwards, etc.). Investor includes analysis of different combinations of Calls, Puts, portfolios of securities and Options, Spreads (Bull/Bear, Butterfly, Calendar), Combinations (Strangles, Straddles, Strips, Straps) and exact and approximate methods of Option pricing. It performs Black-Scholes analysis for European Options, analytic approximations for American Options, it constructs binomial trees. Investor's help panes describe every part of the software in detail with underlying formulas and assumptions. Investor builds graphs and allows graph dynamic interactive manipulation by changing values in text fields and sliders.