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JY/T 0382-2013 English PDF

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JY/T 0382-2013: (Student Calculator)
Status: Valid

JY/T 0382: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
JY/T 0382-2013English279 Add to Cart 3 days [Need to translate] (Student Calculator) Valid JY/T 0382-2013
JY/T 0382-2007English319 Add to Cart 3 days [Need to translate] Calculators for students Obsolete JY/T 0382-2007

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Basic data

Standard ID JY/T 0382-2013 (JY/T0382-2013)
Description (Translated English) (Student Calculator)
Sector / Industry Education Industry Standard (Recommended)
Classification of Chinese Standard Y51
Word Count Estimation 11,140
Regulation (derived from) Teach base (2013) No. 3 II
Issuing agency(ies) Ministry of Education of the People's Republic of China

JY/T 0382-2013: (Student Calculator)

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
(Student Calculator) ICS 03.180 Y 51 Record number 46928-2014 Education Industry Standard of the People's Republic of China Replacing JY/T 0382-2007 Student calculator Calculators for students 2013-07-11 Release 2013–07–11 Implementation Published by the Ministry of Education of the People's Republic of China JY

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. Please note that some elements of this document may involve patents. The issuer of this document is not responsible for identifying these patents. This standard replaces JY/T 0382-2007 "Student Calculator". In addition to editorial changes, the main technical changes are as follows. -Increased the requirements for the material of the printed circuit board (see 4.1.3); -Increased the requirement for the display to use a full dot matrix display (see 4.1.4); -Added the conversion between decimals and percentages, cursor, character delete key, decimal place selection and timing function (See 4.2.1); -Added requirements for non-conformance criteria for individual products (see 6.3); --Modified product classification, divided middle school calculator into junior high school calculator and high school calculator. Specific requirements for the function of the controller (see 3.1, 4.2.2 and 4.2.3); -Deleted the memory accumulation, memory accumulation, memory display, memory clear, reduction, average, Functional requirements for remainder division (see 4.2.1 of the.2007 version). This standard was proposed and managed by the National Technical Committee for Teaching Instrument Standardization (SAC/TC125). The main drafting unit of this standard. the Educational Equipment Research and Development Center of the Ministry of Education. The main drafters of this standard. Bao Lei and Ma Qiang. Student calculator

1 Scope

This standard specifies the product classification, requirements, test methods, inspection rules and signs, packaging, transportation, and storage of student calculators. This standard applies to calculators used by students in primary and secondary school teaching activities.

2 Normative references

The following documents are essential for the application of this document. For dated references, only the dated version applies to this article Pieces. For undated references, the latest version (including all amendments) applies to this document. GB/T 2829 Sampling procedures and tables for periodic inspection and counting (applicable to inspection of process stability) GB/T 4967-1995 General technical requirements for electronic calculators JY 0001 General quality requirements for teaching instruments and equipment products JY 0002 Inspection rules for teaching instruments and equipment products JY 0026 Product Model Nomenclature of Teaching Instruments and Teaching Equipment

3 Classification and naming

3.1 Classification Student calculators are divided into primary, secondary and high school calculators by product function. 3.2 Model The model name of the product is JY 0026. 3.3 Model representation UT-XJ-X-10/2 Product specifications in decimal word length/exponential digits Product's characteristic code, X is elementary school type, C is junior high school type, G is high school type Product name Pinyin prefix, XJ Product's classification code, UT (General Mathematical Instrument) Model example. Example 1. UT-XJ-X-10 represents a primary school calculator with a word length of 10. Example 2. UT-XJ-C-10/2 represents a junior and middle-sized calculator with a word length of 10 and an exponent of 2 digits. Example 3. UT-XJ-G-10/2 means a high and medium calculator with a word length of 10 and an exponent of 2 digits.

4 Requirements

4.1 Appearance and structure 4.1.1 The calculator shall have a protective cover. 4.1.2 The calculator battery can be replaced without using tools. 4.1.3 The printed circuit board shall be made of copper-clad epoxy glass cloth laminate. 4.1.4 The display screen is a full dot matrix screen of not less than 31 × 96. 4.1.5 Appearance and structure should also meet the requirements of 5.1 of GB/T 4967-1995. 4.2 Function and performance 4.2.1 In addition to the basic functions of the primary school calculator, it should have at least the number of decimal places and timing functions in addition to the requirements in Table 1. button The marking shall conform to Table 1. Table 1 Basic functions and key labels of primary school calculators Key symbol function description Key symbol function description Key symbol function description 0N/C power on/clear 0FF power off + addition -Subtraction × multiplication ÷ division 0-9 digits · decimal point = equal sign % Percent Sign Pi Pi 2 Square a with fractional integer input b score Mixed fraction and false fraction Conversion → D Fractions and Decimals Conversion →% Decimals and percentages Conversion HMS hour, minute, and second input and conversion reciprocal( Left parenthesis, number of levels of parentheses Should be no less than three levels ) Right parenthesis  Show the previous screen Show the next screen Move the cursor to the left 移动 move cursor DEL to the right Delete the blinking cursor Value or symbol 4.2.2 In addition to the basic functions of junior and middle-sized calculators, the number of decimal places, scientific notation, and assignments should be not less than those specified in Table 2. Value calculation function. The key identification should conform to Table 2. 4.2.3 In addition to the basic functions of high and medium calculators, the number of decimal places, scientific notation and Assignment calculation function, exponential function (including e as the base), definite integral, differential, and complex operation functions, with simple programming functions, including Input statements, output statements, assignment statements, conditional statements, loop statements. See Table 3 for key identification. Table 2 Basic functions and key labels of junior and middle-sized calculators Key symbol function description Key symbol function description Key symbol function description 0N/C power on/clear 0FF power off + addition -Subtraction × multiplication ÷ division 0-9 digits · decimal point = equal sign % Percent π Pi χ-1 Reciprocal M memory accumulation M- memory accumulation M independent memory sin sine cos cos tan tangent sin Arcsine cos-1 arccosine tan-1 arctangent Power operation χ2 square χ3 cube x square root operation squared 3 cubed Absolute value input (-) Negative sign input RANDOM random number EXP Scientific notation index input  DEG 60nd and decimal mutualization 2ndF Second function selection key b fraction input Decimal and Fraction Interaction DMS 60 base Input of degrees, minutes and seconds DEL Delete the blinking cursor Value or symbol DATA statistics input s2 sample variance s sample standard deviation x number of samples Σ x number of samples n number of samples max max min min STO stored data Left parenthesis, number of levels of parentheses Should be no less than four layers ) Right bracket RCL call up data  Show previous screen Show next screen ANS Final Answer Memory  move the cursor to the left  move the cursor to the right 4.2.4 The operation sequence of calculation functions should be basically the same as the writing sequence, and the display mode should be standardized. 4.2.5 The display characters other than the indication signal and scientific notation shall not be less than the small four-letter word. 4.2.6 It should be able to shut down automatically between 5 min and 10 min of stop button. After the shutdown, except for the stored data, other Information and content should be automatically cleared. Table 3 Basic functions and key labels of high and medium calculators Key symbol function description Key symbol function description Key symbol function description 0N/C power on/clear 0FF power off + addition -Subtraction × multiplication ÷ division 0-9 digits · decimal point = equal sign % Percent π Pi χ-1 Reciprocal M memory accumulation M- memory accumulation M independent memory sin sine cos cos tan tangent sin Arcsine cos-1 arccosine tan-1 arctangent Power operation χ2 square χ3 cube x square root operation squared 3 cubed Absolute value input (-) Negative sign input RANDOM random number EXP Scientific notation index input  DEG 60nd and decimal mutualization 2ndF Second function selection key b fraction input Decimal and Fraction Interaction DMS 60 base Input of degrees, minutes and seconds DEL Delete the blinking cursor Value or symbol DATA Statistics input max max min min Left parenthesis, number of levels of parentheses Should be no less than four layers ) Right bracket STO deposit data  Display the previous screen Display the next screen RCL Recall data 移动 move the cursor to the left  move the cursor to the right ANS final answer memory 1g Common logarithms ㏑ Natural logarithms ㏒ General logarithms DR Degree, radian state Input and conversion → rθ Cartesian coordinates are converted to polar coordinates → xy Polar coordinates into right-angled sitting n factorial A n permutation number C n number of combinations DATA statistics input Sample variance sx sY Sample standard deviation Sample mean ∑X ∑Y Sum of samples ΣX2 ΣY2 Sample sum of squares r Sample correlation coefficient a Regression equation constant term b Regression coefficient e to the power of x 4.2.7 The decimal word length of elementary calculators should be not less than 10 digits; the decimal word length of junior and high school calculators should be not less than 10 digits. Index is 2 digits. 4.2.8 The junior middle school and high school calculators should have indicators such as secondary functions, statistical calculations, angular units, and notation. 4.2.9 The calculator shall have the function of modifying calculations. 4.2.10 There should be no less than 6 memories in junior high school and high school calculators. 4.2.11 The power supply mode shall be powered by primary battery. 4.2.12 The indication signal, memory capacity, decimal point form and display time shall meet the requirements of 5.2 of GB/T 4967. The memory has The number indication signal is limited to M memory. 4.2.13 The power consumption shall not be greater than 1.5mW. 4.2.14 Keyboard 4.2.14.1 Button size a) The upper surface area of the number keys should not be less than 40mm2, and the upper surface area of the function symbol keys should not be less than 24mm2; b) Center distance between two adjacent keys. Number keys. no less than 12mm in the horizontal direction and no less than 11mm in the vertical direction; Function keys. no less than 10mm in the horizontal direction and no less than 8mm in the vertical direction; c) When the key is not pressed, the height of the key above the surface of the keyboard should be greater than the key stroke. 4.2.14.2 The other properties of the keys shall meet the relevant requirements of 5.5 of GB/T 4967-1995. 4.3 Power Adaptability According to the relevant requirements of 5.4.2 of GB/T 4967-1995. 4.4 Environmental adaptability 4.4.1 Adaptability to climate and environment According to the requirements of Group Ⅱ in 5.7.2 of GB/T 4967-1995. 4.4.2 Mechanical environment adaptability 4.4.2.1 Vibration adaptability is in accordance with the requirements of Group Ⅱ in 5.7.3.1 Frequency Scanning Durability Test of GB/T 4967-1995. 4.4.2.2 Impact adaptability, fall adaptability, and drop adaptability of transport packages are in accordance with the relevant requirements of GB/T 4967. 4.5 Reliability According to the requirements of 5.8 of GB/T 4967-1995.

5 Test method

5.1 Test environmental conditions According to the requirements of 6.1 of GB/T 4967-1995. 5.2 Visual and structural inspection 5.2.1 Visual inspection shall comply with 4.1.1, 4.1.2. 5.2.2 Implementation according to 6.2 of GB/T 4967-1995. 5.3 Functional and technical performance checks 5.3.1 Make a comprehensive inspection of the function of the test sample according to the requirements of 4.2.1, 4.2.2 and 4.2.3 (more than the functions of Table 1, Table 2 and Table 3 Yes, check according to enterprise standards), and the results should ensure the correctness of the calculation. 5.3.2 Use a stopwatch to measure the auto-off time and display time. 5.3.3 Indication signals, memory capacity, decimal point form, and other performances from 4.2.4 to 4.2.13 shall be checked with the senses. 5.4 Key inspection 5.4.1 The key size shall be checked with a caliper with a division value of 0.02mm. 5.4.2 Other requirements for keys According to the requirements of 6.6 in GB/T 4967-1995. 5.5 DC Power Adaptability Test, Environmental Test, Reliability Test According to the requirements of 6.5.2, 6.8 and 6.9 of GB/T 4967, respectively.

6 Inspection rules

6.1 Inspection classification Product inspection is divided into factory inspection (delivery inspection), type inspection (routine inspection), quality supervision random inspection inspection (referred to as supervision inspection) And commissioned inspections. It shall meet the requirements of 7.3 of JY 0002 and GB/T 4967-1995. 6.2 Inspection items 6.2.1 Inspection items for factory inspection and type inspection are shown in Table 4. Table 4 Inspection items for factory inspection and type inspection Technical requirements for test items Test methods Factory inspection Type inspection 1 Appearance and structure 4.1 5.2 ● ● 2 Functions and performance 4.2 5.3 ● ● 3 Power adaptability 4.3 5.5 ○ ● 4 Environmental adaptability 4.4 5.5 ○ ● 5 Reliability 4.5 5.5 ○ ● 6 Marks, certificates, instructions for use 7.2 Visual inspection ● ● 7 Packaging 8.1 Visual inspection ● ● 8 Transport and storage 8.2 GB/T 4967-1995 8.3 and 8.4 ○ ● Note. "●" is all inspection items, and "○" is sampling inspection items 6.2.2 The supervision and inspection items shall be in accordance with the provisions of JY 0002. 6.2.3 The entrusted inspection items can be determined through consultation between the entrusting party and the inspection agency. 6.3 Non-conformance criteria for a single sample 4.1.3, 4.1.4, 4.2.1, 4.2.2, 4.2.3, 4.2.7 to 4.2.13, 4.3, 4.4 of this standard are the main technical indicators. The degree of non-compliance with quality characteristics is Class A failure, and the remaining quality characteristics criteria are implemented according to JY 0002. 7 Marks, certificates, instructions for use 7.1 Signs According to GB/T 4967-1995 8.1 and the relevant provisions. 7.2 Certificate and instructions for use 7.2.1 Instructions for use shall include detailed operating steps and examples for all functions. 7.2.2 The instructions for use shall indicate the nominal value of the power supply voltage. 7.2.3 The size of the instructions for use should be convenient for storage in the box. Use 80g (inclusive) or more paper, printed in horizontal and vertical order, and the font size should not be small. In the number 5. 7.2.4 The remaining requirements shall be in accordance with the relevant provisions of JY 0001. 8 Packaging, transportation and storage 8.1 Packaging It shall be in accordance with the relevant provisions of 8.2 and JY 0001 of GB/T 4967-1995. 8.2 Transport and storage It shall be in accordance with the relevant provisions of 8.3 and 8.4 of GB/T 4967-1995.

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