Documentation / CalcMe

  • Demos
  • Visit our website
  • Contact us
  • MathType

    • Wiris Quizzes

      • Learning Lemur

        • CalcMe

          • MathPlayer

            • Store FAQ

              • VPAT for the electronic documentation

                • MathFlow

                  • BF FAQ

                    • Miscellaneous

                      • Wiris Integrations

                        • Home
                        • CalcMe
                        • Commands
                        • Programming Functions
                        • Programming Functions

                        Index

                        Reading time: 1min

                        Nota

                        Working with abstract algebra? See Index (Abstract Algebra).

                        Returns the position of an element on a vector.

                        Syntax

                        index(Element, Vector | List)
                        
                        index(Element, Vector | List, Integer)
                        

                        Description

                        Given an element and a vector or list, returns the index of the first occurrence (starting at 1). If the element does not belong to the vector or list, returns 0.

                        Given an element, a vector or list and an integer n, returns the index of the first occurrence after position n. If the element does not belong to the vector or list, returns 0.

                        Was this article helpful?

                        Yes
                        No
                        Give feedback about this article

                        Related Articles

                        • Programming Functions
                        • Append
                        • Belongs?
                        • Complement
                        • Constant list

                        Index

                        Nota Syntax Description

                        Making people’s STEM work more meaningful

                        MathType

                        • MathType for Office Tools
                        • MathType for Mac
                        • MathType for Microsoft 365
                        • MathType for Google Workspace
                        • MathType for LMS
                        • MathType for XML Editors
                        • Arabic notation
                        • Our products accessibility
                        • MathType is online

                        WirisQuizzes

                        Learning Lemur

                        Solutions for Education

                        • Blackboard Learn
                        • Brightspace by D2L
                        • Canvas
                        • Google Classroom
                        • Moodle
                        • Schoology

                        Solutions for Publishing Houses

                        Solutions for Technical Writers

                        Solutions for Chemistry

                        Integrations

                        • HTML Editors
                        • MathType in WordPress

                        Pricing

                        Company

                        Careers

                        Blog

                        Contact Us

                        Buy Now

                        Plugin Downloads

                        © Wiris 2025

                        • Cookie Settings
                        • Cookie Policy
                        • Terms of Use
                        • Privacy Policy / GDPR
                        • Student Data Privacy
                        • Compliance
                        • Powered by Helpjuice
                        Expand