/**
 * This function removes fraction part of the number if exists. So, for example, it will turn -145,455 to -145 and
 * 145,455 to 145.
 */
export declare function round(x: number): number;
/**
 * This function returns integer part of division result of num1 and num2 numbers.
 *
 * For example: div (10, 3) is equal to 3.
 */
export declare function div(num1: number, num2: number): number;
/**
 * This function return arithmetic mod result of two inputs as a integer.
 */
export declare function mod(num1: number, num2: number): number;