Hi Dalyoung,

You are right regarding the unnatural way of using \autointegral. An easy way 
to use the \autointegral command in a more natural way is to define one’s own 
macro, as in the following:

\setupmathdelimiter[integral][rightoffset=-3mu,exact=yes,factor=2]

\unexpanded\def\myint#1#2#3#4{\autointegral{#2}{#1}{#3(#4)}\,\diff #4}

\starttext
$\myint{1}{4}{f}{x}$

\startformula
\myint{0}{2\pi}{\cos(t)^2\sin}{t} = 0
\stopformula
And here is the classical \type{\int} command:
\startformula
\int_{0}^{1} g(x)\,\diff x = 1.
\stopformula
\stoptext

Best regards: OK

> On 11 Feb 2018, at 15:20, Jeong Dal <hak...@me.com> wrote:
> 
> Dear Otared,
> 
> As you said, it is working well.
> 
> However, the numbers 1, 4 located at the top and the bottom of the integral 
> sign which is not usual in math. 
> I have seen a discussion about such an output, but I may not see the result 
> which I want.
> 
> As you see in the following example, only the 1st and the 2nd  gave the 
> output which is usual in math.
> Is still there no way to make nice output  using “\startformula”?
> 
> Thank you.
> 
> Best regards,
> 
> Dalyoung
> 
> %%%%%%%%%%
> \unexpanded\def\integ#1#2#3{\math{\autointegral{#1}{#2}{#3}\diff x}}
> 
> \starttext
> \math{\int_1^4 f(x) \diff x}
> 
> \math{\displaystyle \int_1^4 f(x) \diff x}
> 
> \startformula
> \int_1^4 f(x) \diff x
> \stopformula
> 
> \integ{4}{1}{f(x)}
> \stoptext
> 
> 
>> If you remove the line
>>      \setupmathextensible[integral][rightoffset=-3mu,exact=yes,factor=2]  
>> then your example typesets well with the last beta version 2018.02.09 00:04.
>> 
>> Best regards: OK
>> 
>>> On 11 Feb 2018, at 09:35, Fabrice Couvreur <fabrice1.couvr...@gmail.com> 
>>> wrote:
>>> 
>>> Hi Hans,
>>> The macro that you proposed me worked very well but since my update of 
>>> context standalone, it does not work any more.
>>> Thank you.
>>> Fabrice
>>> 
>>> \setupmathextensible[integral][rightoffset=-3mu,exact=yes,factor=2]  
>>> 
>>> \unexpanded\def\integ#1#2#3{\math{\autointegral{#1}{#2}{#3}\diff x}}
>>> 
>>> \starttext
>>> \integ{4}{1}{f(x)}
>>> \stoptext
>>> ____________________________________________________________________________
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