i need a help about these pdf files

[Shin1]

how can i get like this pdf file 

I need  a solution these files 

I can solve that problem but i want solution

I think that pdf file source is ptc communtiy, but i can't find them

plz help me

[Werner_E · Accepted solution]

If you don't find the sheet somewhere here

https://community.ptc.com/t5/PTC-Mathcad-Questions/PTC-Mathcad-All-Worksheets/td-p/450684

to download, chances are that PTC is trying to make some bucks by selling a worksheet collection containing it.