Amazon Basics 991ES Plus Scientific Calculator | 417 Functions | Four-Line Natural Display | Dual Power Solar & Battery | Engineering & Student Calculator | Black REFURBISHED or a Yellow Switch that

or a Yellow Switch that provides smooth

7 Volts Item Weight ‎60 g Manufacturer ‎Auxtron Country of Origin ‎China Imported By ‎Pradhayun Online Services Pvt Ltd

Automatically track select sports & workouts with SmartTrack and use female health tracking in the Fitbit app to log periods

WebKit-enabled browser

Sturdy Plastic Construction

Amazon Basics 991ES Plus Scientific Calculator | 417 Functions | Four-Line Natural Display | Dual Power Solar & Battery | Engineering & Student Calculator | Black REFURBISHED or a Yellow Switch thatFeatures 417 Advanced Scientific Functions: Equipped with 417 built in calculation functions including trigonometry, logarithms, exponentials, calculus, statistics, algebra, complex numbers, matrices, and vectorsideal for students, engineers, and professionals. Large Four Line Natural Text Display: Features a large four line screen with natural textbook style display, allowing formulas and results to appear exactly as written, making complex