text: // Use only exponents greater than or equal to 0 (positive numbers)
  const powerCalculator = (base, exp) => {
    if (exp < 0) return 'exponent should be >= 0';
    if (exp === 0) return 1;
    return base * powerCalculator(base, exp - 1);
  };
  
  module.exports = powerCalculator;
  