HELP: I can't solve differential equation

[Ethan.Z]

The help document describe as follows:

but i copy it into my MATHCAD, it shows like this:

I am not sure if it is the issue of software version. The document is for V10.0, i am using V7.0

[ttokoro · Accepted solution]

Prime 10 can do it. Not sure for Prime 7. Check the Help of Prime 7. 

[Ethan.Z]

Resolved by updating to Prime 10.

Thanks a lot.