991EX Scientific Calculator Classwiz scientific Calculator Black

● Product details ofClassWiz FX-991EX Scientific Calculator ● Undo-Function ● Complex number calculation ● Base-N calculations ● Equation calculations ● Inequality calculation ● SUM calculation ● 47 wcientific constants ● 40 metrixc conversions ● Automatic parenthesis ● 24 Parentheses level ● Variable memory (9) ● Trigonometric and invers trigonometric functions ● Hyperbolic and invers hyperbolic functions ● Power / Power Root calculations ● logarithmic calculations ● Exponential calculations ● Root calculations ● Combinatoric and Permutation ● Prime factorization ● Random Integer ● Conversion of polar coordinates into rectangular coordinates and invers ● Fraction (two modes) ● Conversion of sexagesimal into decimal and invers ● Calculates in Degree, Grad and Radian ● Function table ● 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) ● High-resolution LC display with 192 x 63 pixels ● Natural-V.P.A.M. – Natural display ● 552 functions ● Icon menu ● Spreadsheet ● QR code function¹ ● Solving equations and systems of up to four equations ● 4X4 matrices ● Vector calculations ● Integration calculations ● Differential calculations ● Probability distribution ● Calculation with technical symbols ● Comes with new slide-on hardcase