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  • 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
  • Direct Algebraic Logic
  • Extra large display
  • 12-digit two-line display
  • Multi-Line "playback"
  • Differential and integral calculus functions
  • 440 mathematical functions
  • Protective hard case