Looking for a Palisade @RISK alternative. You have come to the right place. Welcome to P50P90. Simple. No knowledge of Monte Carlo simulation or complex formulas required. A user friendly Excel spreadsheet based solution. Just copy and paste in your data and press run. With simplicity in mind, P50P90 has a number of features. It does 10,000 iterations. There is no coding or writing of formulas. It reduces errors by explaining clearly how each line of your data will be captured in a simulation. It produces ready to use dynamic charts and tables for inclusion in your report.