If you disagree with my maths, please point out the step where I have made an error. [[User:Richardm|Richardm]] ([[User talk:Richardm|talk]]) 09:50, 26 September 2016 (EDT) | If you disagree with my maths, please point out the step where I have made an error. [[User:Richardm|Richardm]] ([[User talk:Richardm|talk]]) 09:50, 26 September 2016 (EDT) |