Specifications: • Brand: Casio • Code: CAL0003 • Model: fx-991EX • 552 functions • Two way power • High-resolution LC display with 192 x 63 pixels • Natural-V.P.A.M. – Natural display • QR code function • Online sharing • Icon menu • Spreadsheet • Solving equations and systems of up to four equations • 4X4 matrices • Vector calculations • Integration calculations • Differential calculations • Probability distribution • Calculation with technical symbols • Undo-Function • Complex number calculation • Base-N calculations • Equation calculations • Inequality calculation • SUM calculation • 47 scientific constants • 40 metric conversions • Automatic parenthesis • 24 Parentheses level • Variable memory (9) • Trigonometric and inverse trigonometric functions • Hyperbolic and inverse hyperbolic functions • Power / Power Root calculations • Logarithmic calculations • Exponential calculations • Root calculations • Combinatorics and Permutation • Prime factorization • Random Integer • Conversion of polar coordinates into rectangular coordinates and inverse • Fraction (two modes) • Conversion of sexagesimal into decimal and invers • Calculates in Degree, Grad and Radian • SCI/FIX/ENG function • List based statistics • 1-variable statistics • Standard deviation • 2-variable statistics (Regressions) • Percentage calculation • Non-natural input • Output with √ form • Output with Π form • Function table • Made in China
General Specifications: • 552 functions • Display: "Natural Textbook Display" Natural V.P.A.M. • High-Resolution LC-Display, 63 x192 dots, 16/10 + 2 digits • Energy supply: Solar + Battery (1xLR44) • Comes with new slide-on hardcase • Dimensions (H x W x L): 77 x 165.5 x 11.1 mm approx. • Weight: 90g approx.