CATIGA CS229 Scientific Calculator with Graphics Functions, Multiple Modes Intuitive User Interface, for Beginner and Advanced Courses

Scientific calculator with graphic function: this is a scientific calculator that can display charts of formulas. It has a screen large enough to display diagrams and equations at the same time, allowing you to view calculations and corrections in detail. The size 7 x 3.3 ensures comfortable operation. Multiple modes: this calculator offers three operating modes: angle measurement, calculation and display mode. Please see the photos for more information. Over 280 functions: including fractions, statistics, calculations of complex numbers, linear regression, standard deviation, permutations and variable solution. Perfect for intermediate and beginner courses including pre-algebra, algebra I, algebra II, geometry, trigonometry, calculus, AP calculus, AP statistics, biology, chemistry, physics, finance and economics. If you cannot turn on the calculator, please press the reset button on the back! If you have any further problems, we offer a limited warranty of 365 days. Please contact us and we will give you an answer within 24 hours.