Welcome to the Treehouse Community

Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community! While you're at it, check out some resources Treehouse students have shared here.

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.

Start your free trial

iOS Objective-C Basics (Retired) Foundation Framework NSNumber

Chris Good
Chris Good
7,747 Points
Posted by Chris Good
Chris Good
7,747 Points

Declare another variable named 'planck' of type NSNumber and assign it the value 6.626.

Why does this code not work for this test?

NSNumber *planck = [NSNumber numberWithFloat:6.626];

1 Answer

Stone Preston
Stone Preston
42,016 Points
Stone Preston
Stone Preston
42,016 Points

technically your code is correct, but you need to use literals for this code challenge. I think it mentions using a literal for the first task, but not the third. try using 

NSNumber *foxtrot = @24;
NSLog(@"foxtrot %@", foxtrot);
NSNumber *planck = @6.626;
Chris Good
Chris Good
7,747 Points
Chris Good
Chris Good
7,747 Points

Thanks. That's what I ended up having to do to get it to work.