Product Name: KENKO JIAYI

Product model: KK-105B

Product production: Fujian

Function

240 types of calculation functions, 9 basic calculation patterns, multi-step replay function, 9 variables
79 steps input answer storage error indication with the function of modification, insertion, and deletion.
Perfect Algebraic Method for Angle Unit Conversion
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, Significant Figures)
科学计数法、百分率计算、分数计算
Statistical calculation Standard deviation Bivariate statistics (regression)
With a decryption key
LCD Clock Display
One AA battery is used, and it can sustain display for 17,000 hours.
Dimensions: 75(Width) × 110(Length) × 8(Thickness) mm
Weight: 125g (Including Battery)

Product name: appropriate KENKO

Product model: KK - 105 - b

Products: Fujian

function

240 features nine basic calculation modes, step function, nine variables

Store 79 steps in the wrong directions Have modification, insert, delete functions

完善角度单位转换的代数方法

Trigonometric functions and inverse trigonometric functions, hyperbolic/inverse hyperbolic functions

Mantissa (logarithmic, natural logarithm, logarithm, index)

Algebraic operation (square root and cube root, root, square, cube, reciprocal, factorial)

Polar/internal trade-off rectangular coordinate transformation engineering symbols

Permutation and combination random number input (PI, minus, index sign)

Display format (decimal digits, effective digits)

Scientific notation percentage score calculation

Bivariate statistical standard deviation (return)

With the abdication key

LCD clock display

Use AA batteries, 1 grain, sustainable for 17000 hours.

Size: 75 (width) x 110 (length) x 8 mm (thickness)

Weight: 125 grams (including battery)

正面图

Packing Diagram

Store layout

Store layout

Store layout

Store layout

Store layout

Store layout

Store layout

Dongsheng Electronics

Address: Room 3, 45th door on the left side of the third floor of the West Zone of Yiwu International Commerce City, G3-18699 store at Zhongxi Street.

TEL：13676849331/13566733985

QQ: 1320495611

E-mail: dongsheng_dz@163.com

Account Name: Huang Shaoling
The company's agent products are as follows:
Fujian City Jiayi Electronics Co., Ltd. was established in 1990 and is a professional manufacturer of electronic calculators that integrates product development, production, and sales." The goal of "revitalizing the country through science and technology and developing the national high-tech industry" has always been the pursuit of all colleagues at Jiayi Company for more than a decade. After continuous efforts and innovative exploration, the company has successfully established the "Jiayi" brand series of electronic calculators and simultaneously provides OEM services for many brand calculators. It enjoys a high degree of integrity and reputation in this industry.
The company's factory occupies more than 10,000 square meters, with a large number of large-scale machinery equipment and a group of professional talents in planning, development, production, and marketing with high quality. In 2001, it successfully passed the ISO9001:2000 international quality management system certification. In 2004, it was selected as one of the top ten brands of calculator product quality notarization in the country, and the quality assurance product of the China Center for Quality Assurance of Medium and Light Industry Products. The company's product sales have grown steadily at an average annual rate of 35%, and in 2003, it introduced an international leading level of fully automatic production line. This not only improves the quality of the products but also boosts production efficiency to a new level, making it a leader in the same industry in the domestic market.
In the era of global economic integration following China's accession to the WTO, our company will adopt advanced technological means, management experience, and marketing models from both home and abroad to establish an entirely new system for production, management, and marketing. We will present ourselves to the world as a vibrant, modern enterprise.

Since its establishment, Yonghuada Industry Co., Ltd. has always been committed to technical innovation and design. Over the past years, it has continuously established a solid foundation, and has successfully cultivated the promise electronics calculator brand, primarily including desktop, portable, and gift types of speech-type calculators.Thesaurus type fold the type check few types receptions the model science function the type the etc to product of many function electronicses product model number totally contain a hundred surplus to grow and the business scope spread all over the national every locality. Letter promise electronics the calculator is always with the " technology creative".Quality is the first, the customer is the product for the aim, to trustworthiness promise forever, for the customer providing superior quality, dependablely, have faith inning.
Our company adheres to strict quality standards and the management principle of small profits and many annuls. In the face of fierce market competition, we strive to develop our advantages and warmly welcome domestic and international customers to place orders. Let us work together to carry forward our cooperation and create a bright and glorious future together.