Arduino Calculator Project Using Keypad and LCD

This tutorial is about making arduino calculator. We will build two digit arduino calculator using arduino uno, 4×4 numeric keypad and 16×2 lcd. This particular arduino calculator can perform six functions addition, subtraction, multiplication, division, power and reminder. Code is easy to understand but its lengthy. If you are already familiar with the arduino coding syntax, you can easily understand the code below.
Code : pastebin.pl/view/01945abd
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