Rewaren

class Calculator{

    addition(num1: number, num2: number) {
        return num1 + num2;
    }

    isGreeter(num1: number, num2: number): boolean {
        return num1 > num2;
    }
}

Rewaren

export function multiply(a: number, b: number): number {
    return (a*b);
}

export function calculatePercentage(part: number, total: number): string {
    if (total > 0 && part > 0) {
        const percentage = (part / total) * 100;
        return `${percentage.toFixed(2)}%`;
    }
    return "Input contains negative number."