[IAEP] Abacus suggestions
yoshiki at vpri.org
Sun Oct 9 16:31:09 EDT 2011
At Sun, 9 Oct 2011 15:11:24 -0400,
Walter Bender wrote:
> On Sun, Oct 9, 2011 at 12:29 AM, Yoshiki Ohshima <yoshiki at vpri.org> wrote:
> > For the first time I launched Abacus activity today. My impression is
> > biased as I am Japanese and learned a version of it at school, but
> > here is some suggestions:
> > - The graphics lacks essential "dots". You see some dots in this
> > picture for example: http://kamedake.com/_src/sc946/DSC_1976.jpg.
> > These are "period" and "commas". The big white two dots means the
> > it is 1's digit. The smaller dots on the bar are put every 3
> > digits; even though the Japanese writing system would work better
> > with comma's every 4 digits, we conceeded to westerners. In any
> > case, missing these dots was the first surprise for me.
> Would it make sense then to let the user move the dots left and right
> depending upon where they want the 1s digit? Or is it always in the
> same place?
Unless we are to invent a new scheme, I'd keep these dots at the
same place. But this could be a conservable opinion...
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