On Tue, 1 May 2007, Aditya Mahajan wrote:
> On Tue, 1 May 2007, James Buchanan wrote:
>
>> When doing basic material like:
>>
>> Solve:
>>
>> 6 + 7 + 4 = [box]
>>
>> Have the equals signs and boxes lined up (or not), two sets of simple
>> add these numbers (or whatever) per column. The answer box could be
>> filled with a light color.
>
> This can be done easily using context's alignment mechanism. I am in a
> bit of a hurry right now, and will post an example later in the
> evening.
Here is an example:
\setupcolors[state=start]
\def\solutionbox
{\dosingleempty\dosolutionbox}
\def\dosolutionbox[#1]%
{\mframed[width=2em,background=color,backgroundcolor=lightgreen,#1]
{\strut}}
\starttext
Not aligned
\startformula \startalign[n=1]
\NC 6 + 7 + 4 = \solutionbox \NR
\NC 16 + 5 + 4 = \solutionbox[width=1cm] \NR
\NC 6 + 200 + 4 = \solutionbox[width=3cm] \NR
\stopalign \stopformula
aligned
\startformula
\startalign[n=7,align={right,middle,right,middle,right,middle,left}]
\NC 6 \NC + \NC 7 \NC + \NC 4 \EQ \NC \solutionbox \NR
\NC 16 \NC + \NC 5 \NC + \NC 4 \EQ \NC \solutionbox[width=1cm] \NR
\NC 6 \NC + \NC 200 \NC + \NC 4 \EQ \NC \solutionbox[width=3cm] \NR
\stopalign \stopformula
Two column
\startformulas
\startformula
\startalign[n=7,align={right,middle,right,middle,right,middle,left}]
\NC 6 \NC + \NC 7 \NC + \NC 4 \EQ \NC \solutionbox \NR
\NC 16 \NC + \NC 5 \NC + \NC 4 \EQ \NC \solutionbox[width=1cm] \NR
\NC 6 \NC + \NC 200 \NC + \NC 4 \EQ \NC \solutionbox[width=3cm] \NR
\stopalign \stopformula
\startformula
\startalign[n=7,align={right,middle,right,middle,right,middle,left}]
\NC 6 \NC + \NC 7 \NC + \NC 4 \EQ \NC \solutionbox \NR
\NC 16 \NC + \NC 5 \NC + \NC 4 \EQ \NC \solutionbox[width=1cm] \NR
\NC 6 \NC + \NC 200 \NC + \NC 4 \EQ \NC \solutionbox[width=3cm] \NR
\stopalign \stopformula
\stopformulas
\stoptext
Aditya
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