alice-teacher Problem with number variable

[Matthew Wasserman]

I've never tried it, but you may want to use the round function and
display that outcome instead.

On Tue, Nov 23, 2010 at 10:45 AM, Bertha Cannon
<bertha.cannon at asfm.edu.mx> wrote:
> Hi all,
> We're currently implementing a score-based game in Alice, and ONE out of my
> 80-something students is having trouble with the variable that keeps the
> score: it is increasing by 0.99999, instead of 1...  some other times it is
> displayed with a single decimal digit (as in 0.0, 1.0, 2.0, etc.) but some
> others it shows 4 or 5 decimal digits... some other times it combines both
> behaviors, as in: 1.0000, 2.0, 2.9999, 3.0000, 4.0...
> I've tried deleting such variable and adding a new one... I've also tried
> executing the world in different computers... nothing seems to work...  I
> assume that number variables in Alice are doubles, but is there a way to set
> them to show a fixed number of decimal digits?
> Thanks in advance for your help,
> Bertha Cannon
> HS Computer Science / Computers Department Head
> American School Foundation of Monterrey
> bertha.cannon at asfm.edu.mx
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>



-- 
Matthew Wasserman
cell: (908)370-6989