Who has never happened to you that in the middle of a mathematical problem has seen the calculator as a superhero? This wonderful device has the solution of many problems and many students believe it is a blessing to have it. If you are a person with a good sense of humor, you will like the sarcastic design. Do not forget to have it and add it to your closet if you are a math lover, teacher, accountant, student, nerd or geek. When you use it you will make many laugh.Our collections premium T-shirt should be a big part of any kids' wardrobe. It wears rough and tough for kids who play the same way. Ideal for playing outside or sitting quietly doing homework, the premium T-shirt from the our ollection is as versatile and durable as it gets.