The Casio FX-83GTCW Scientific Calculator is a brand new, black handheld device that is approved for UK GCSE exams. It features regular-sized keys and an LCD display for easy viewing. This calculator is powered by both solar and battery energy sources, making it convenient for use in various settings. With its compact size and reliable features, such as being exam-approved and having no custom bundle items, this Casio calculator is a practical and efficient tool for students and professionals alike.