Please do not add inappropriate external links to Wikipedia, as you did to Mortgage calculator. Wikipedia is not a collection of links, nor should it be used for advertising or promotion. Inappropriate links include, but are not limited to, links to personal websites, links to websites with which you are affiliated (whether as a link in article text, or a citation in an article), and links that attract visitors to a website or promote a product. See the external links guideline and spam guideline for further explanations. Because Wikipedia uses the nofollow attribute value, its external links are disregarded by most search engines. If you feel the link should be added to the page, please discuss it on the associated talk page rather than re-adding it. Thank you.Nzd(talk)00:12, 9 July 2018 (UTC)[reply]
Per the reply on my talk page, this edit shouldn't have been reverted as spam, but I probably would have reverted it anyway. Firstly, referencing Stackexchange would fall under our policy against user-generated content, and secondly, the tone didn't fit very well with the encyclopedic nature of Wikipedia. I would be happy to help if you have any questions about this or anything else, just give me a shout. Thanks, Nzd(talk)01:39, 9 July 2018 (UTC)[reply]
Hello, YW0K5o! Welcome to Wikipedia! Thank you for your contributions. You may benefit from following some of the links below, which will help you get the most out of Wikipedia. If you have any questions you can ask me on my talk page, or place {{helpme}} on your talk page and ask your question there. Please remember to sign your name on talk pages by clicking or by typing four tildes "~~~~"; this will automatically produce your name and the date. If you are already excited about Wikipedia, you might want to consider being "adopted" by a more experienced editor or joining a WikiProject to collaborate with others in creating and improving articles of your interest. Click here for a directory of all the WikiProjects. Finally, please do your best to always fill in the edit summary field when making edits to pages. Happy editing! Nzd(talk)01:28, 9 July 2018 (UTC)[reply]