From: David Harmon on
On Mon, 25 Jan 2010 11:39:36 -0800 (PST) in sci.electronics.basics,
whit3rd <whit3rd(a)gmail.com> wrote,
>On Jan 24, 8:54�pm, terryS <tsanf...(a)nf.sympatico.ca> wrote:
>
>> �That's what I was missing; the ampere hour capacity of the button
>> cell. Amazing something with that small a volume can be 60ma/hr.
>
>*cringe* No, it's 60 mA-hr! Monsieur Ampere capitalized his
>surname, and so do we. Gratuitous use of the '/' character
>where multiplication is appropriate is also ... points off. Correct
>those units!

Subtraction is no more correct than division.