CS-183 2-Line LCD Display Scientific Calculator

OVER 200 FUNCTIONS - Includes percentages, trigonometry, 24 parentheses levels, summation, regressions, fractions, regressions, and permutations/combinatorics. 2-LINE LCD SCREEN - Two-line display allows you to see your original equation and compare to your answer. ROBUST DESIGN - With an included sliding cover, the CS-183 is built to last. It is built with fracture resistant plastic that allows long term use. The buttons are responsive and can withstand millions of inputs. MEMORY/REPLAY - With memory buttons that display your work and previous solutions, you’ll never have to worry about recalculating difficult problems. PERFECT FOR ALL LEVELS - Can be used for high school and university course calculations, for courses such as Algebra or Trigonometry.