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) Fundamentals of C Variables

I can't seem to find the problem. Can anyone help? Sorry if it is something so obvious.

I can't seem to find the problem. Can anyone help?

Could you post the code where you think the error might pop up?

2 Answers

float radius = 14.5;

printf("A ball with a radius of %f inches.\n" radius);

Put a comma between the String " " and the variable radius:

printf("A ball with a radius of %f inches.\n", radius);

That seemed to have fixed it :) Apologies, seemed like a very basic mistake. Thanks for your help.