Calculators

Free calculator to find two numbers by sum and difference. For example, the sum of two numbers is 88 and their difference is 54. What are the numbers?

Calculate the termial of a given number. For example, the termial of 200.

Free online tool used to build a Bell triangle.

Calculate the value of Euler's Totient function. For example, find φ(360) value.

Calculate the quadratic mean of numbers. For example, What is the quadratic mean of 11, 23 and 35?

Calculate the geometric mean of numbers. For example, What is the geometric mean of 5 and 12?

Calculate the average of numbers. For example, What is the average of a set of numbers 1, 5, 10, 15 and 20?

Calculate the harmonic mean of numbers. For example, what is the harmonic mean of 8 and 12?

Calculate the prime factorization of numbers. Such as, What is the prime factorization of 420?

Find all factors of the number, including ordinary factors, prime factors and proper factors. For exampe: What are the prime factors of 100?

Find the missing base of an exponent. For exampe: x^2 = 81, what is x?

Calculate the divisor based on the dividend, quotient and remainder, for exampe: what is the divisor if dividend is 3558, quotient is 25 and remainder is 8?

Calculate the dividend based on divisor, quotient and remainder. Such as, if the divisor is 187 the quotient is 3078 and the remainder is 96, what is the dividend?

Calculate the quotient and remainder between two numbers, for exampe: what is the quotient and remainder of 100 divided by 6?

Calculate the sum of squares of first N numbers, Including natural numbers, even numbers, odd numbers, prime numbers and composite numbers. For exampe: the sum of squares of first 5 prime numbers.