The MODEL ProcedureProgramming Language Overview: MODEL ProcedureSubsections:Variables in the Model ProgramEquation TranslationsDerivativesMathematical FunctionsFunctions across TimeLanguage DifferencesStoring Programs in Model FilesMacro Return Codes (SYSINFO)Diagnostics and DebuggingAnalyzing the Structure of Large ModelsCopyright © SAS Institute Inc. All rights reserved.Last updated: August 25, 2017