DigitMania

This application is intended for real math lovers (schoolchildren, students, numberphiles etc.)! Ask your friend in any instant messenger to perform simple 2 steps: 1/2) Write any number from 1 to 9; 2/2) Write any 3-digit number (from 100 to 999); Enter this number and digit from your friend to the 'DigitMania' app. The application search the shortest mathematical expression for any 3-digit number using only one digit and operations with it: Addition, Multiplication, Subtraction, Division, Exponentiation and Concatenation (combining 2 digits in one number). Send a shortest mathematical expression for a given number using the specified number to your friend. Your friends will certainly appreciate your high knowledge of mathematics. Good luck !;)