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

JavaScript JavaScript Foundations Numbers The Math Object

Harsh Ahuja
Harsh Ahuja
2,618 Points
Posted by Harsh Ahuja
Harsh Ahuja
2,618 Points

Math Object-I tried the below two it is not working?

var circumference = diameter*Math.PI(); var circumference= Math.round(Math.PI()*diameter);

2 Answers

Dino Paškvan
Dino Paškvan
Courses Plus Student 44,108 Points

PI is a property of the Math object, not a function (method). It's not invoked with parentheses. To get the value of pi, just do Math.PI, or rather, treat it the same way you would any other variable.