Mr. Pen scientific calculator offers advanced mathematical functions, making it ideal for students and professionals in engineering, science, and math fields. This calculator is designed with a large, easy-to-read 2-line display and durable keys that ensure smooth and accurate input. It includes features such as trigonometric functions, logarithms, and statistical calculations, providing a comprehensive tool for complex problem-solving. The calculator comes in a convenient pack of 24, making it an excellent choice for classrooms, tutoring centers, or large study groups. Each unit is equipped with a protective hard cover, ensuring it remains safe from damage during transport and daily use. Mr. Pen scientific calculator offers advanced mathematical functions, making it ideal for students and professionals in engineering, science, and math fields. This calculator is designed with a large, easy-to-read 2-line display and durable keys that ensure smooth and accurate input. It includes features such as trigonometric functions, logarithms, and statistical calculations, providing a comprehensive tool for complex problem-solving. The calculator comes in a convenient pack of 24, making it an excellent choice for classrooms, tutoring centers, or large study groups. Each unit is equipped with a protective hard cover, ensuring it remains safe from damage during transport and daily use.