Calculator editor should never be right to left

There are some right to left languages in the world, but even in those (AFAIK) numbers are written left to right. So calculator editor should be left to right, regardless of keyboard language. But when my keyboard is Farsi (a rtl language) editor became rtl annoyingly:

There are some rare corner case, for example using defined variables in a rtl language, which rtl calculator can have some meaning. Those cases can detected and excluded.