#include <LiquidCrystal.h>

LiquidCrystal lcd (12,11,5,4,3,2); // RS, E, D4, D5, D6, D7


// int x = 2 + 1; // simple one time opertation

int addition;
int subtraction;
int multiplication;
int division;

void setup() {
  
  // YouTube Circuit Basic - How to Set Up an LCD Display on the Arduino - Ultimate Guide to the Arduino #30
  // YouTube Circuit Basic - How to Do Math in Arduino Programs - Ultimate Guide to the Arduino #10
  
  // put your setup code here, to run once:

  lcd.begin(16, 2);
  lcd.setCursor(0, 0);

  int a = 6;
  int b = 3;

  addition = a + b;
  subtraction = a - b;
  multiplication = a * b;
  division = a / b;

     lcd.print("Sum = "); // example code
      // lcd.println(addition); // code for Arduino IDE
        lcd.print(addition);

    // lcd.print(" Difference = "); // example code
      // lcd.println(subtraction);
        lcd.print(subtraction); // code for Arduino IDE

  // lcd.print("Product = "); // example code
  // lcd.println(multiplication);

  // lcd.print("Quotient = "); // example code
  // lcd.println(division);

}

void loop() {
  
  // put your main code here, to run repeatedly:

  // lcd.setCursor(0, 0);
  // lcd.print("Hello World! ");

  // lcd.print(x); // Simple one time operation

}