DailyUI 004 Calculator

Daily UI 004

For day four, I have made a calculator UI.

My Issue for this time

1. For people who are not good at mental arithmetic like me, it is difficult to understand the difference between the four arithmetic operators on common calculators.

2. We usually can’t check the equation.

3. Previous calculation results cannot be used.

   I have to write down the answer to the previous calculation. I find this troublesome.

My solution

1. To help users intuitively understand the difference between the four arithmetic operators, the minus and divide signs are red because they make the original number smaller and the plus and multiply signs are blue because they make the original number bigger.

2. Made it possible to view and edit the current equation.

3. Previous calculation results are saved in history and can be reused.

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