Basic 2 digits calculator, +, -, *, /, we used matrix keypad for the numbers and confimr operation video https://youtu.be/yZ_tZlpuhJM (spanish) the code is also commented in spanish
Basic 2 digits calculator, +, -, *, /, we used matrix keypad for the numbers and confimr operation video https://youtu.be/yZ_tZlpuhJM (spanish) the code is also commented in spanish