Area of a circle Calculator

Calculates the area and circumference of a circle given the radius or diameter.

Area of a circle

area S
    1.  
circumference L
    1.  

Area of a circle
[1-10] /10Disp-Num
BACK NEXT
[1]  2018/11/17 11:26   Male / 20 years old level / Elementary school/ Junior high-school student / Very /
Purpose of use
To expose me more understanding
Comment/Request
nice
[2]  2018/07/23 03:43   Male / 60 years old level or over / An engineer / Very /
Purpose of use
CEU''s re-newing my certification
Comment/Request
It''s great because I don''t have to do the laborious math long hand in a note book! Where was this when I was in college? Oh, that''s right the internet, apps and calculators weren''t invented then, just the old trusty slide rule.
[3]  2017/06/15 17:28   - / 20 years old level / An engineer / Useful /
Purpose of use
To be able to ease my work of calculation
[4]  2014/03/29 09:13   Male / 60 years old level or over / An engineer / Very /
Purpose of use
verify manual calculations involved in modifing a automotive combustion engine using different varribles for optimum horsepower to torque at given RPM
[5]  2013/02/18 14:53   Male / 60 years old level or over / Self-employed people / Very /
Purpose of use
Determine area of different diameter pizzas to calculate best buy for price!
Comment/Request
Thank you !
[6]  2012/11/30 17:24   Male / Under 20 years old / High-school/ University/ Grad student / Very /
Purpose of use
assignments especially in physics
Comment/Request
great page,, very useful..
[7]  2012/11/16 13:39   Male / 20 years old level / A teacher / A researcher / Very /
Purpose of use
for exam
Comment/Request
for college level only
[8]  2011/09/29 11:22   Male / 40 years old level / Self-employed people / Very /
Purpose of use
OFFICE TASK
Comment/Request
AMAZING
[9]  2009/11/04 21:08   Male / 20 level / An office worker / Very /
Purpose of use
office task
Comment/Request
good
[10]  2009/09/10 16:59   Male / More than 60 / A teacher / Very /
Comment/Request
Very useful.

BACK NEXT

Thank you for your questionnaire.
Sending completion

Back

To improve this 'Area of a circle Calculator', please fill in questionnaire.
Male or Female ?
Age


Occupation


Useful?

Purpose of use?
Comment/Request (Click here to report a bug).Bug report (Click here to report questionnaire.)
Calculation bug(Please enter information such as specific input values, calculation result, correct result, and reference materials (URL and documents).)
Text bug(Please enter information such as wrong and correct texts)
Your feedback and comments may be posted as customer voice.
送信