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Calculator from keyboard display on 7seg

thread284-1813597

Calculator from keyboard display on 7seg

Calculator from keyboard display on 7seg

(OP)
The input numbers of this calculator have a maximum of 5 digits, and the recognition of the input number depends on how the keys are pressed by the user.
If user first press 5 and "+" means user wants to add the one-digit number 5 to the next number she wants to enter, but if user press 5,then press 9, then press 1, then press "+" means user wants to add three-digit number 591 to the next number she wants to enter.
Best regards.

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