THE SQUARE ROOT CALCULATOR IS AN APPLICATION FOR THE AID IN THE EDUCATIONAL AREA, AS WELL AS FOR TEACHERS AS FOR TEACHERS IN THE APPLICATION OF REDISCOVER METHODOLOGIES. BEYOND SIMPLE, IT IS EASY TO HANDLE AND IT IS ALSO USED IN THE THEME COMPLEX NUMBERS IN MIDDLE SCHOOL, WHERE WE CAN FIND REAL AND COMPLEX RESULTS OF ROOTS OF REAL NUMBERS. NOW COMES WITH SUGGESTED ACTIVITIES FOR SQUARE ROOT TEACHING AND TROUBLESHOOTING.