{"product_id":"calculator-for-991es-plus-original-scientific-calculator-417-functions-for-high-school-university-students-office-coin-battery","title":"Calculator for 991ES-PLUS Original Scientific Calculator 417 Functions For High School University Students Office Coin Battery","description":"\u003cfont size=\"2\"\u003e\u003cspan style=\"color: rgb(0, 0, 0); font-family: tahoma, arial, helvetica, sans-serif;\"\u003e​\u003c\/span\u003e\u003cfont face=\"tahoma, arial, helvetica, sans-serif\"\u003eFeatures:\u003c\/font\u003e\u003c\/font\u003e\u003cdiv\u003e\u003cul\u003e\n\u003cli\u003e\u003cfont face=\"tahoma, arial, helvetica, sans-serif\" size=\"2\"\u003eStable product quality and sensitive response.\u003c\/font\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cfont face=\"tahoma, arial, helvetica, sans-serif\" size=\"2\"\u003eSoft touch keyboard, not easily stuck keys.\u003c\/font\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cfont face=\"tahoma, arial, helvetica, sans-serif\" size=\"2\"\u003eThe large display screen and symmetrical ergonomic design allow numbers to be mastered with one hand.\u003c\/font\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cfont face=\"tahoma, arial, helvetica, sans-serif\" size=\"2\"\u003e417 Functions: Display Mathematical functions in textbook format.\u003c\/font\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cfont face=\"tahoma, arial, helvetica, sans-serif\" size=\"2\"\u003eSpecification:\u003c\/font\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cul\u003e\n\u003cli\u003e\u003cfont face=\"tahoma, arial, helvetica, sans-serif\" size=\"2\"\u003eMaterial: ABS\u003c\/font\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cfont face=\"tahoma, arial, helvetica, sans-serif\" size=\"2\"\u003eSize: 80*11*162mm\u003c\/font\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cfont face=\"tahoma, arial, helvetica, sans-serif\" size=\"2\"\u003eAdapted Battery: Button Battery\u003c\/font\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cfont face=\"tahoma, arial, helvetica, sans-serif\" size=\"2\"\u003eFunctions:\u003c\/font\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cul\u003e\n\u003cli\u003e\u003cfont face=\"tahoma, arial, helvetica, sans-serif\" size=\"2\"\u003e1.  routine Calculation\u003c\/font\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cfont face=\"tahoma, arial, helvetica, sans-serif\" size=\"2\"\u003e1) arithmetic calculation\u003c\/font\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cfont face=\"tahoma, arial, helvetica, sans-serif\" size=\"2\"\u003e2) Score calculation\/percentage calculation\/rational number calculation, etc.\u003c\/font\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cfont face=\"tahoma, arial, helvetica, sans-serif\" size=\"2\"\u003e3) Degree, minute, second calculation\u003c\/font\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cfont face=\"tahoma, arial, helvetica, sans-serif\" size=\"2\"\u003e4) Variable calculation (use CALC)\u003c\/font\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cfont face=\"tahoma, arial, helvetica, sans-serif\" size=\"2\"\u003e5) Equation solution (use SOLVE)\u003c\/font\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cfont face=\"tahoma, arial, helvetica, sans-serif\" size=\"2\"\u003e6) Calculation of various functions (trigonometric\/anti-trigonometric function, hyperbolic\/inverse hyperbolicfunction, exponent\/logarithmic function, power function\/power square root function, integral\/differentialcalculation, calculus summatorius).\u003c\/font\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cfont face=\"tahoma, arial, helvetica, sans-serif\" size=\"2\"\u003e7) Other calculations (factorial, absolute value, random number, permutations and combinations, roundingfunction).\u003c\/font\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cfont face=\"tahoma, arial, helvetica, sans-serif\" size=\"2\"\u003e​2.  Plural Computing\u003c\/font\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cul\u003e\n\u003cli\u003e\u003cfont face=\"tahoma, arial, helvetica, sans-serif\" size=\"2\"\u003e1) The addition, subtraction, multiplication, and division of plural\u003c\/font\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cfont face=\"tahoma, arial, helvetica, sans-serif\" size=\"2\"\u003e2) Calculation of auxiliary Angle and model\u003c\/font\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cfont face=\"tahoma, arial, helvetica, sans-serif\" size=\"2\"\u003e3) The inverse, square, and cubic of plural\u003c\/font\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cfont face=\"tahoma, arial, helvetica, sans-serif\" size=\"2\"\u003e4) The calculation of complex conjugate numbers\u003c\/font\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cfont face=\"tahoma, arial, helvetica, sans-serif\" size=\"2\"\u003e​3.  Statistical Calculation\u003c\/font\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cul\u003e\n\u003cli\u003e\u003cfont face=\"tahoma, arial, helvetica, sans-serif\" size=\"2\"\u003e1) single variable\u003c\/font\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cfont face=\"tahoma, arial, helvetica, sans-serif\" size=\"2\"\u003e2) linear regression\u003c\/font\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cfont face=\"tahoma, arial, helvetica, sans-serif\" size=\"2\"\u003e3) quadratic regression\u003c\/font\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cfont face=\"tahoma, arial, helvetica, sans-serif\" size=\"2\"\u003e4) logarithmic regression\u003c\/font\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cfont face=\"tahoma, arial, helvetica, sans-serif\" size=\"2\"\u003e5) e exponential regression\u003c\/font\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cfont face=\"tahoma, arial, helvetica, sans-serif\" size=\"2\"\u003e6) ab exponential regression\u003c\/font\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cfont face=\"tahoma, arial, helvetica, sans-serif\" size=\"2\"\u003e​4.  Number Systems Converter (radix calculation)\u003c\/font\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cul\u003e\n\u003cli\u003e\u003cfont face=\"tahoma, arial, helvetica, sans-serif\" size=\"2\"\u003e1) DEC decimalism\u003c\/font\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cfont face=\"tahoma, arial, helvetica, sans-serif\" size=\"2\"\u003e2) HEX hexadecimal\u003c\/font\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cfont face=\"tahoma, arial, helvetica, sans-serif\" size=\"2\"\u003e3) BIN binary system\u003c\/font\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cfont face=\"tahoma, arial, helvetica, sans-serif\" size=\"2\"\u003e4) OCT octonary number system\u003c\/font\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cfont face=\"tahoma, arial, helvetica, sans-serif\" size=\"2\"\u003e​5.  Equation Calculation\u003c\/font\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cul\u003e\n\u003cli\u003e\u003cfont face=\"tahoma, arial, helvetica, sans-serif\" size=\"2\"\u003e1) One equation with two unknowns\u003c\/font\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cfont face=\"tahoma, arial, helvetica, sans-serif\" size=\"2\"\u003e2) One equation with three unknowns\u003c\/font\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cfont face=\"tahoma, arial, helvetica, sans-serif\" size=\"2\"\u003e3) Quadratic\u003c\/font\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cfont face=\"tahoma, arial, helvetica, sans-serif\" size=\"2\"\u003e4) Cubic Equation\u003c\/font\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cfont face=\"tahoma, arial, helvetica, sans-serif\" size=\"2\"\u003e​6.  Matrix Calculation\u003c\/font\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cul\u003e\n\u003cli\u003e\u003cfont face=\"tahoma, arial, helvetica, sans-serif\" size=\"2\"\u003e1) Calculate matrix replication, addition, scalar multiplication, multiplication, square, and cube\u003c\/font\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cfont face=\"tahoma, arial, helvetica, sans-serif\" size=\"2\"\u003e2) Calculate the determinant, transposition and inverse matrix of the matrix\u003c\/font\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cfont face=\"tahoma, arial, helvetica, sans-serif\" size=\"2\"\u003e3) Compute the modulus of each element of the matrix\u003c\/font\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cfont face=\"tahoma, arial, helvetica, sans-serif\" size=\"2\"\u003e​​7.  Vector Computation\u003c\/font\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cul\u003e\n\u003cli\u003e\u003cfont face=\"tahoma, arial, helvetica, sans-serif\" size=\"2\"\u003e1) Calculate vector replication, vector addition, scalar multiplication, vector dot product\u003c\/font\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cfont face=\"tahoma, arial, helvetica, sans-serif\" size=\"2\"\u003e2) Compute the norm of vector\u003c\/font\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cfont face=\"tahoma, arial, helvetica, sans-serif\" size=\"2\"\u003ePackage Included:\u003c\/font\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cul\u003e\u003cli\u003e\u003cfont face=\"tahoma, arial, helvetica, sans-serif\" size=\"2\"\u003e1x Calculator for 991ES-PLUS\u003c\/font\u003e\u003c\/li\u003e\u003c\/ul\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cfont face=\"tahoma, arial, helvetica, sans-serif\" size=\"2\"\u003ePacking Safely in Retail Box. \u003c\/font\u003e\u003c\/div\u003e\u003cbr\u003e\u003cdiv\u003e\u003cfont face=\"tahoma, arial, helvetica, sans-serif\" size=\"2\"\u003e​Notes:\u003c\/font\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cul\u003e\n\u003cli\u003e\u003cfont face=\"tahoma, arial, helvetica, sans-serif\" size=\"2\"\u003eDue to the light and screen setting difference, the items color may be slightly different from the pictures.\u003c\/font\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cfont face=\"tahoma, arial, helvetica, sans-serif\" size=\"2\"\u003ePlease allow slight dimension difference due to different manual measurement.\u003c\/font\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\u003cdiv style=\"overflow-x: hidden;text-align: center;\"\u003e\n\u003cimg src=\"http:\/\/img.fms.hittime.net\/468880fm1144ce15b7dc79d9.jpg\" style=\"width:98%;height:auto;\"\u003e \u003cimg src=\"http:\/\/img.fms.hittime.net\/468880fme0bfccbd0ee3d96a.jpg\" style=\"width:98%;height:auto;\"\u003e \u003cimg src=\"http:\/\/img.fms.hittime.net\/468880fm8ed3acf2731a0644.jpg\" style=\"width:98%;height:auto;\"\u003e \u003cimg src=\"http:\/\/img.fms.hittime.net\/468880fm50c9c57ffc9cecb7.jpg\" style=\"width:98%;height:auto;\"\u003e \u003cimg src=\"http:\/\/img.fms.hittime.net\/468880fm2b9ee2ff7b29372c.jpg\" style=\"width:98%;height:auto;\"\u003e \u003cimg src=\"http:\/\/img.fms.hittime.net\/468880fmebaca493b7edce52.jpg\" style=\"width:98%;height:auto;\"\u003e \u003cimg src=\"http:\/\/img.fms.hittime.net\/468880fmd10c9a059667a910.jpg\" style=\"width:98%;height:auto;\"\u003e \u003cimg src=\"http:\/\/img.fms.hittime.net\/468880fm358e9a5e9ecd80f9.jpg\" style=\"width:98%;height:auto;\"\u003e \u003cimg src=\"http:\/\/img.fms.hittime.net\/468880fmf1a2047192dc0278.jpg\" style=\"width:98%;height:auto;\"\u003e \u003cimg src=\"http:\/\/img.fms.hittime.net\/468880fma8a8993bd366ed42.jpg\" style=\"width:98%;height:auto;\"\u003e \u003cimg src=\"http:\/\/img.fms.hittime.net\/468880fm7b5cf5f5ff666f88.jpg\" style=\"width:98%;height:auto;\"\u003e\n\u003c\/div\u003e","brand":"EDAREN","offers":[{"title":"991ES PLUS","offer_id":44076282904762,"sku":"468880|1|1","price":7.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0510\/7240\/1594\/files\/468880fm1144ce15b7dc79d9.jpg?v=1723022094","url":"https:\/\/edaren.myshopify.com\/products\/calculator-for-991es-plus-original-scientific-calculator-417-functions-for-high-school-university-students-office-coin-battery","provider":"EDAREN","version":"1.0","type":"link"}