A PHP Error was encountered

Severity: Notice

Message: Only variable references should be returned by reference

Filename: core/Common.php

Line Number: 239

Area of Circle | Online Calculator | Free Online Calculator for Math

Online Calculator

~ Calculate, Study, Know ~

Area of Circle

A PHP Error was encountered

Severity: Notice

Message: Undefined index: query

Filename: elements/wiki_content.php

Line Number: 6

A PHP Error was encountered

Severity: Warning

Message: Invalid argument supplied for foreach()

Filename: elements/wiki_content.php

Line Number: 6

Close [X]
Thank you! ^.^

Did you know?

  • 1975 users has used this calculator
  • 6 users liked this calculator
  • Plural form of radius is radii

  • Among all planar shapes with the same perimeter, the circle has the largest area

  • Latest user who used this calculator was from Bekasi, Indonesia on 23 November '17, 21:04