I found one that will add text only, not mtext. Currently there is no need for any text other than the numbers.
The last time I wrote a lisp was in 1995, not sure how to edit this to be able to have this work with mtext.
Here is what I have...
I am trying to find a lisp that I can use to select 2 entities of text that contain numbers, and have it create a new text with the sum of the selected.
example: I want to be able to select the text entities that contain 15 & 5, then pick a point a point anywhere, like near 20 and have it...