This programs are distributed as freeware for individual use, and may be freely redistributed to students and faculty in an academic institution. Simtools was developed to facilitate applications of probability and statistics, and to help managers do complex decision analysis. It also contains a simple auditing tool (previously called Formlist) that adds procedures forĭisplaying the formulas of any selected range. Simtools adds statistical functions and procedures for doing Monte Carlo simulation and risk analysis in spreadsheets. Simtools.xlam is an add-in for Microsoft Excel.