_____      _            _       _             
  / ____|    | |          | |     | |            
 | |     __ _| | ___ _   _| | __ _| |_ ___  _ __ 
 | |    / _` | |/ __| | | | |/ _` | __/ _ \| '__|
 | |___| (_| | | (__| |_| | | (_| | || (_) | |   
  \_____\__,_|_|\___|\__,_|_|\__,_|\__\___/|_|   
                                                 
 Calculator Service v1.0
 Spring Boot Calculator Application
