Error while double click in divide button

[hiranivipul]

Enter number and double click on divide operation getting error

[gv456]

Hi.. I would like to take up this issue.

[harvin123]

Hi,
we only need to check if it is already having value in (obj.next) if it is not there as in this case when you will click operator without typing the value we should return null.It will solve the problem.

Thank You