default [x,t,theta,n] button variable help

[Liamtoh Resu]

for the HP Prime it is neccesaru to put parenthesis around the left side for the
sample equation with the "=1000" outside of the parenthesis.

I found the following video on youtube which explains this "feature".

https://www.youtube.com/watch?v=Yj0m4CNJ-2g

The video credits "C Ret" for the solution. I could not find a link for the original post.

FYI