Uses a push button to switch between addition subtraction, multiplication and division.
I don't know.
switches for input, LEDS for output
# | Input | Output | Bidirectional |
---|---|---|---|
0 | in_2 | out_0 | inout_0 |
1 | in_0 | out_1 | inout_1 |
2 | in_1 | out_2 | inout_2 |
3 | in_3 | out_3 | inout_3 |
4 | in_4 | out_4 | inout_4 |
5 | in_5 | out_5 | inout_5 |
6 | in_6 | out_6 | inout_6 |
7 | in_7 | out_7 | inout_7 |