Program to find all Armstrong numbers (PHP)

An Armstrong number is an n digit number, which is equal to the sum of the nth powers of its digits. [Read More]

Program to convert lower case string to upper case string

Program to convert lower case string to upper case string [Read More]

Program to reverse 'n' characters

Program to reverse 'n' characters [Read More]

Program to display Greatest Common Divisor (GCD) of two numbers

Program to display Greatest Common Divisor (GCD) of two numbers [Read More]

Program to display fibonacci series of given number

Program to display febonacci series of given number [Read More]

Program to check if the given matrix is magic square or not

Program to check if the given matrix is magic square or not [Read More]

Program to find the roots of a quadratic equation.

Program to find the roots of a quadratic equation. [Read More]

Program to check whether given number is a perfect number or not

A number is a perfect number if it is equal to sum of all of it's positive divisors excluding i [Read More]

Program to find all Armstrong numbers between 0 and 999

An Armstrong number of three digit is a number such that that sum
of the cubes of it's digits [Read More]

Program to check whether given two numbers are Amicable or not

Amicable numbers are pair of those two numbers so related that sum of the proper divisors of the one [Read More]

Program to display factorial of a number

Algorithm to display factorial of a number [Read More]