This Scientific Calculator from CATIGA is able to show graphs of formulas. It features a screen large enough to display graphs and equations simultaneously allowing you to see calculations and corrections in high detail. Its 7 in. x 3.3 in. size ensures comfortable use. This calculator features 3 operating modes: Angular Measurement Calculation and Display modes. Capable of over 360 functions including fractions statistics complex number calculations linear regression standard deviation permutations and variable solving it s ideal for Advanced and Beginner courses including Pre-Algebra Algebra I Algebra II Geometry Trigonometry Calculus AP Calculus AP Statistics Biology Chemistry Physics Finance and Business.