ক্যালকুলেটর গণনার ইতিহাস সংরক্ষণ করে এবং ব্যবহারকারীরা এটি মুছতে পারেন।
It is a Calculator app that does simple calculations like addition, subtraction, multiplications, division, and remainder.
Users can write positive numbers, negative numbers, whole numbers, and real numbers.
The operation appears on the screen to enable users to see what they write.
If users write something wrong, they can erase it and retype.
Users can hear the result of the operation in words.