Arduino calculator with lcd

What u need for this project so it can work:

1. Arduino board (i am using uno R3)
2. 4x4 keypad
3. 12 male wires and 12 male-female wires
4. Breadboard
5. Potentiometer(10 000 Ω)

Assemble everything like in picture below.

Schematic is made using TINCKERCAD.

Download Arduino IDE and run the code.