User talk:117.4.240.124

Welcome!
Hello and welcome to Wikipedia. We appreciate encyclopedic contributions, but some of your recent contributions, such as your edit to the page MathML, seem to be advertising or for promotional purposes. Wikipedia does not allow advertising. For more information on this, please see: If you still have questions, there is a new contributors' help page, or you can. You may also find the following pages useful for a general introduction to Wikipedia: I hope you enjoy editing Wikipedia! Please sign your name on talk pages using four tildes ( ~ ); this will automatically produce your name and the date. Feel free to write a note on the bottom of my talk page if you want to get in touch with me. Again, welcome! ~ ToBeFree (talk) 01:29, 11 September 2019 (UTC)
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