Why is 0 not a valid input? I mean, I know it makes it somewhat pointless to eve...

namenotrequired · on Oct 16, 2013

I like that it still has the source in it as if they told the website to not accept 0 :)

You need to input a number larger than 0.

Source: World Health Organisation Life Expectancy Data (2011).

scott_karana · on Oct 16, 2013

Looks like they might have changed this. Or at least, it works with no input in either of the fields.

codereflection · on Oct 16, 2013

Agreed. My average is also 0.

natch · on Oct 16, 2013

FWIW, 0.1 is valid.