{"product_id":"casio-fx-991de-cw-classwiz-technisch-wissenschaftlicher-rechner-fx-991decw","title":"Casio FX-991DE CW ClassWiz technical scientific calculator - FX-991DECW","description":"\u003cdiv style=\"line-height:1.8\"\u003e\u003cp\u003eDisplay • 63* 192 FULL DOT • Natural display • Algebraic input logic: Natural-V.P.A.M. • Number of characters\/lines: 17\/1+10\/1 • Icon menu • Display with 4 shades of gray • Display mantissa – exponent: 10+2 Memory • Repeat function • 9 variable memories Mathematics • 680+ functions • 47 scientific constants • 164 unit conversions • 24 levels of brackets • Fraction calculation • Angle measures DEG\/RAD\/GRAD • Conversions between. \u003eDEG\/\u003eRAD\/\u003eGRAD • Coordinate conversion Pol ÷ Rec • trigonometric functions sin\/cos\/tan\/sin-1\/cos-1\/tan-1 • hyperbolic functions sinh\/cosh\/tanh\/sinh-1\/cosh-1\/tanh-1 • exponential, logarithm (In, 10x, ex ) • mathematical functions √, x², x-1, 1\/x, x!, xy, x1\/y • Calculations based on base n (Hexadecimal\/Decimal\/Binary\/Octal) • Logical operators (AND\/Or..) • Calculations in the sexagesimal system • Percentage calculation • Remainder function • Prime factorization • Technical notation ENG\/ENG • Calculation with technical symbols • Calculation of complex numbers • Random number generator • Integer random numbers • Calculation of minimum or maximum of a quadratic function • gcd\/kgV function • 4x4 matrix calculation \/ vector calculation • REF\/RREF function • Equation calculation • Inequality calculation • Check function \"Verify\" • Table of values: f(x) \u0026 g(x) • Periodic decimal fraction statistics • Sum formation of ∑x, ∑x², • Sum formation of ∑x, ∑y, ∑x², ∑y², ∑x*y • Standard deviations for grouped and ungrouped values • Distribution functions (normal distribution, inverse normal distribution, binomial distribution, Poisson distribution) • Regression analysis • Permutation (nPr), combinatorics (nCr) • Math Box (random experiments with coins and dice) Differential and integral calculus • Numerical integral calculus • Numerical differential calculus Other • German menu language • Spreadsheet calculation • QR code function • Hard case • Automatic switch-off • Energy supply: solar + battery (1x LR 044) • Dimensions (H x W x D in mm) 10.7 x 77 x 162 • Weight 95g\u003c\/p\u003e\u003cul\u003e\u003cli\u003eThe FX-991DE CW calculator is the most powerful model of technical-scientific calculators with 696 functions\u003c\/li\u003e\u003cli\u003eThe innovative operation and menu-based navigation makes it easier for students to use the computer. Abbreviations and key combinations are largely avoided.\u003c\/li\u003e\u003cli\u003eMathematical expressions such as roots, fractions and logarithms are represented in natural notation.\u003c\/li\u003e\u003cli\u003eThe math box can be used to simulate dice and coin tossing experiments. The relative frequencies of the sums can be listed.\u003c\/li\u003e\u003cli\u003eWith the QR code function, results and functions of the calculator can be visualized using a smartphone or tablet.\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCategory:\u003c\/strong\u003e Scientific calculators\u003c\/p\u003e\u003c\/div\u003e\u003ctable style=\"width:100%; border-collapse:collapse; margin-top:16px;\"\u003e\u003cthead\u003e\u003ctr\u003e\u003cth colspan=\"2\" style=\"text-align:left; padding:8px; border-bottom:2px solid #ddd;\"\u003eItem Details\u003c\/th\u003e\u003c\/tr\u003e\u003c\/thead\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eCasio\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eCasio Europe GmbH\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eFX-991DECW\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eFX-991DECW\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eSchwarz\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eCasio fx-991DE CW\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eCALCULATOR\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003e\u003cstrong\u003eEAN\u003c\/strong\u003e\u003c\/td\u003e\u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003e4549526615580\u003c\/td\u003e\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e","brand":"Casio","offers":[{"title":"Default Title","offer_id":53024134234440,"sku":"B0BWDNXP1K","price":31.83,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0907\/1781\/5112\/files\/61GrFFSeriL.jpg?v=1777675372","url":"https:\/\/boombuy.eu\/en\/products\/casio-fx-991de-cw-classwiz-technisch-wissenschaftlicher-rechner-fx-991decw","provider":"Boombuy","version":"1.0","type":"link"}