a desolve question....

[webmasterpdx]

When I look at the help examples for desolve, the double derivative is expressed using the ' character....as in:
desolve(y''+y=0,y)
Now, when I cut and paste the example, it works, but when I try to type the ' char myself, it fails....I was getting the ' char from the shift-9 menu.....which obviously isn't the same ' char as is used in the examples.
How do I generate the correct ' character?
Thx
-Donald

[webmasterpdx]

OK, I found that if I used the shift-chars and selected the ' character, that one worked.
Why are the 2 characters different, and is there a faster way to create the correct ' character that I'm overlooking?
Thx

[webmasterpdx]

I think I found the answer....
Use shift-() which gives you the ' ' double single quote....and this quote works...
-Donald