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Sharp EL-506WBBK Scientific Calculator
Advanced Direct Algebraic Logic Series scientific calculator
Ideal for high school students, college students, and professionals
440 functions including differential and integral calculus
Large 12-digit, 2-line display, multi-line playback
Convenient solar and battery power supplies
Sharp Electronic Scientific Calculator with new glass design, 440 functions, large display and direct algebraic logic (D.A.L) -input equations exactly as written