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Product Name: KENKO JIAYI
Product model: KK-105
Functional Description
240 types of calculation functions 9 basic calculation patterns Multi-step reproduction function 9 variables 79 steps to input the answer and store the error indication Modification, insertion, deletion functions Perfect algebra method Angle unit conversion Trigonometric and inverse trigonometric functions Hyperbolic/inverse hyperbolic functions Decimal (logarithm, natural logarithm, common logarithm, exponent) Algebraic operations (square root, cube root, root, square, cube, reciprocal, factorial) Polar/cartesian coordinate transformation Internal choice Engineering symbols Permutations and combinations Random number generation Input (π, negative sign, exponent symbol) Display format (number of decimal places, effective digits) Scientific notation Percentage calculation Fractional calculation Statistical calculation Standard deviation Bivariate statistical (regression) With a decaposition key LCD clock display Using a single AA battery, it can sustain display for 17,000 hours Dimensions: 75 (width) × 110 (length) × 8 (thickness) mm Weight: 125g (including battery)
The function of KK105B includes:
Trigonometric functions and inverse trigonometric functions Hyperbolic/Inverse hyperbolic functions
尾数是（对数、自然对数、常用对数、指数）
Algebraic operations (square root, cube root, root, square, cube, reciprocal, factorial)
Polar to Cartesian/Cartesian to Polar Transformation, Internal Selection, Engineering Symbols
Permutations and Combinations, Random Numbers, Input (Pi, Negative Sign, Exponential Symbol)
Display format (decimal places, effective digits)
科学计数法、百分率计算、分数计算
Statistical calculation Standard deviation Bivariate statistics (regression)
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