[texhax] Please help

[Ludwik Kowalski]

1) Someone sent me a Latex source file containing a text with 
mathematical equations. That provided motivation for becoming familiar 
with reading tex files, and possibly start creating and typesetting my 
own. I have zero experience with this, except reading some tutorials 
found by Google.

2) I have an emac computer with the Mac OS-10.3.9 This morning I 
downloaded and installed TexShop, version 2.14. It is supposed to work 
with OS-10.3. All went smoothly; the TexShop application icon is on my 
dock. I opened the application and pasted into it's window a short tex 
file with equations. Then I pressed the TYPEST button, expecting to see 
the equations in the output window.

3) But produced the following error message:

/usr/local/teTeX/bin/powerpc-apple-darwin-current/pdflatex does not 
exist. Perhaps teTeX was not installed or was removed during a system 
upgrade. If so, go to the TeXShop web site and follow the instructions 
to (re)install teTeX. Another possibility is that a tool path is 
incorrectly configured in TeXShop preferences. This can happen if you 
are using the fink teTeX distribution.

4) What should I do to succeed? I am a very unsophisticated Mac user; 
please be as specific as you can. Ideally, I would prefer to be guided 
during a telephone conversation. If this is possible I would be happy 
to call you, if the telephone number is provided in the reply to this 
message.

Thanks in advance.
Ludwik Kowalski, a retired teacher