Operators in Solidity

Arithmetic_operators.sol

// SPDX-License-Identifier: UNLICENSED

pragma solidity ^0.8.0;

uint constant T = 10;

contract Arithmetic_Operation {
    
    uint x = 10;
    uint y = 20;
    int p  = -5;
    int q  = 11;

    // Addition : (both operands should be either uint `OR` int)
    uint sum_1 = x + y;
    int sum_2 = p + q;

    // Subtraction : (both operands should be either uint `OR` int)
    // uint public sub1 = y - x; -> this is not possible as result would be -10 (a int type)
    uint sub1 = y - x;
    int sub2 = p - q;

    int Un = -q;  // Applicable only on signed integer type : int

    // Multiplication : (both operands should be either uint `OR` int)
    uint mul_1 = x * y;
    int mul_2 = p * q;

    // Divison : (both operands should be either uint `OR` int)
    uint div_1 = x / y; // div_1 = 0
    int div_2 = p / q;  // div_2 = 0
    uint div_3 = (x+1)/4; // div_3 = 2

    // Modulo : Modulo operation outputs the remainder (both operands should be either uint `OR` int)
    uint mod_1 = x % y; // mod_1 = 10
    int mod_2 = p % q;  // mod_2 = -5

    // Exponent : (both operands should be either uint `OR` int)
    uint exp_1 = x ** y;  // exp_1 = 100000000000000000000

}