Only by using 3 seven segment display(without using lcd display), similar to as shown in the picture, using Tinkercad, build a calculator. It should have 3 7-segment displays and a number pad. The system should start with a summation of 0. You don't have to display negative numbers. The user should be able to press numbers to enter upto 3 digit number. This number should be displayed on the 7 segments. If the user presses A, the number should be added to the current number, if user presses B, the number should be subtracted and the display should be emptied to accept another number. If user presses C at any time, current summation should be displayed. D should 0 the current summation.
Only by using 3 seven segment display(without using lcd display), similar to as shown in the picture, using Tinkercad, build a calculator. It should have 3 7-segment displays and a number pad. The system should start with a summation of 0. You don't have to display negative numbers. The user should be able to press numbers to enter upto 3 digit number. This number should be displayed on the 7 segments. If the user presses A, the number should be added to the current number, if user presses B, the number should be subtracted and the display should be emptied to accept another number. If user presses C at any time, current summation should be displayed. D should 0 the current summation.
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