![Construct the equation of a line: An exercise in string concatenation](https://blogs.sas.com/content/iml/files/2012/08/t_eqnofline.png)
I needed to construct a string to use in the title of a scatter plot. The scatter plot showed a line, and I wanted to include the equation of the line in the plot's title. This article shows how to construct a string that contains the equation in a readable