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Powerstaxx Non-Linear tolerance analysis software is an Excel based, associative tolerance analysis tool that makes it easy to be thorough. Being associative, all dimensions are managed on one sheet and then used to populate up to 200 worst case, RSS, modified RSS, or non-linear stack ups using either sheet or measured dimensions. This allows one spreadsheet to easily manage situations where dimensions are used in multiple stack ups. With each stack up is a bell curve graph showing predicted results and space to place an image of what is being evaluated. The Plus version of Powerstaxx calculates PPM failures and also has a summary sheet that provides the critical information of all the stack ups in one place. Each stack up on the summary page has a link to that stack up. Other features include English/metric conversions, a unique Cpk value for each dimension, unllimited dimensions per stack up, and custom dimension identifiers. In summary, Powerstaxx helps manage the risk in your project and is the one tool to use when your assembly has more than one stack up.