KENKOKK82MS_学生专用计算器说明书
学生用计算器说明书
学生用计算器说明书关键信息项：1、产品名称：学生用计算器2、功能特点：具备基本运算、科学计算、统计计算等功能3、适用范围：适用于学生学习数学、物理等学科4、操作方法：包括按键操作、模式切换等5、显示屏说明：显示内容、格式等6、电源类型：电池或太阳能7、注意事项：使用时的注意要点11 产品概述本学生用计算器是专门为学生设计的一款辅助学习工具，具有多种实用功能，能够满足学生在数学、物理等学科学习中的计算需求。
111 外观设计计算器外观小巧轻便，便于携带。
按键布局合理，操作舒适。
112 显示屏显示屏清晰，能够准确显示计算结果和相关信息。
显示格式包括数字、运算符、小数点等。
12 功能介绍121 基本运算功能能够进行加、减、乘、除四则运算，支持整数和小数的计算。
122 科学计算功能具备三角函数（正弦、余弦、正切等）、指数运算、对数运算等科学计算功能。
123 统计计算功能可以进行数据的求和、平均值、方差、标准差等统计计算。
124 记忆功能能够存储中间计算结果，方便后续调用和重复计算。
13 操作方法131 按键操作各个按键功能明确，按下相应按键即可进行相应的计算操作。
132 模式切换通过特定按键可以切换不同的计算模式，如普通计算模式、科学计算模式、统计计算模式等。
133 输入数据按照正确的顺序输入数字和运算符，确保计算的准确性。
14 显示屏说明141 数字显示清晰显示计算结果的数字，包括整数和小数部分。
142 运算符显示准确显示所使用的运算符，如“＋”“”“×”“÷”等。
143 错误提示当输入错误或计算无法进行时，显示屏会显示相应的错误提示信息。
15 电源类型151 电池供电使用常见的干电池作为电源，更换电池时请按照正确的方法操作。
152 太阳能供电在有光照的条件下，可通过太阳能板为计算器供电。
16 注意事项161 正确使用按键避免用力过猛或长时间按压按键，以免损坏按键。
162 避免水浸和摔落防止计算器接触水或受到剧烈撞击，以免影响其正常使用。
卡西欧fx-82MS计算器使用指南说明书
S M 2 8 -x fO I S A CMASTERING THE CALCULATOR USING THE CASIO fx-82MSLearning and Teaching Support Unit (LTSU)The Learning CentreGuide bookWritten byLinda GalliganPublished byUniversity of Southern QueenslandToowoomba Queensland 4350Australia.au©University of Southern Queensland, 2006.1.Copyrighted materials reproduced herein are used under the provisions of the Copyright Act 1968 as amended, or as a result of application to the copyright owner.No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form or by any means electronic, mechanical, photocopying, recording or otherwise without prior permission.Produced by the Distance and e-Learning Centre using FrameMaker5.5.6 on a Pentium workstation.TABLE OFCONTENTSPAGE Introduction1A word about starting out21.Addition and subtraction42.Multiplication and division83.Brackets104.Powers115.Fractions17ing the x–1 key197.Scientific notation208.Factorial x!22ing memory2310.Statistics2511.Linear regression3112.Trigonometric functions3413.Exponential and logarithmic functions3614.Degrees, minutes, seconds38 Review calculator exercises41 Calculator solutions42 Your notes44Mastering the Calculator using the Casio fx-82MS1IntroductionThis is one in a series of booklets prepared to assist students who are learning to use a calculator. They have been prepared by staff in The Learning Centre from the Learning and Teaching Support Unit (LTSU) at USQ. The series comprises:Mastering the calculator•Using the Casio fx-100s (also suitable for Casio fx-570)•Using the Casio fx-100AU•Using the Casio fx-82LB•Using the Casio fx-82TL•Using the Casio fx-82MS•Using the Sharp EL-531LH•Using the Sharp EL-556L•Using the Sharp EL-531RHThe instructions in this booklet only explain some of the keys available on your calculator necessary for basic work in data manipulation. If you require more assistance please contact The Learning Centre. If you would like information about other support services available from The Learning Centre, please contactThe Learning Centre (TLC)Learning and Teaching Support Unit (LTSU), S-BlockThe University of Southern QueenslandTelephone: 07 4631 2751Email:***********.auFax: 07 4631 1801Home page: .au/ltsuNote the booklets are also available online at the above address (follow the prompts).2Mastering the Calculator using the Casio fx -82MSA word about starting out•Make sure you are in the correct mode selection and that all previous data is cleared.•Example: To perform arithmetic operations press •To clear all values press •To clear memory pressThe screen displaysPress to clear memory•If your calculator has FIX or SCI on the display pressthree timesappears on the screenpress 3, then 2 so you are in Normal mode.•If your calculator has RAD or GRAD on the display press two timesappears on the screenpress 1 so you are in Degree mode.Mcl ModeAllMastering the Calculator using the Casio fx-82MS3•There is also a mode which gives you a preference for displaying the decimal point as a dot or comma as 34.26 or 34, 26.PressPressPress Press4Mastering the Calculator using the Casio fx -82MS1.Addition and subtraction1.1 To add numbers(it is shown on the photograph of the calculator here).ExampleTo add 7 and 3, typeThe display should read 10ExampleI want to find the total amount I earned in the past four weeks. If I earned $471, $575, $471 and $528, the key strokes would beThe display should read 2045.Mastering the Calculator using the Casio fx-82MS5and continue.ExampleExampleIf I want to add 471 and 575 but I typedThe display should read 1 046.‘Try practising cancelling with the1.3 The keys are used when you to delete other dataExampleIf you typed:471 + 546PressThe display should read 1 047.Practice using this key when replacing digits, operation keys (+ – ×÷), or more than one digit (use the DEL key).You can also use the insert key to insert anything you omitted. ExampleIf you typed 471 + 56the display should read 1047.1.4 To subtract numbersFind the key (it is shown on the photograph of the calculator following). ExampleTo subtract 35 from 257, typeThe display should read 222Example348 – 24 – 19The keystrokes areThe display should read 305.Sometimes you may have a sum like this:-7 + 4You can use theThe key strokes areThe display should read -3.You could also use the keystrokesIn this case the calculator recognises the – as a negative (not recommended to do it this way).2.Multiplication and division 2.1 To multiply numbersFind the key (it is shown on the photograph of your calculator here).ExampleTo multiply 7 and 3, typeThe display should read 21To find 753 × 492, typeThe display should read 370 4762.2 To divide numbersExampleTo divide 35 by 7, type The display should read 5To divide 7 905 by 85, typeThe display should read 93To divide 56 by 23947 typeThe display should read 0.002338497If it reads 2.3385×10-03 or something similar, then your calculator is in SCI (Scientific mode).See page 2 to change to NORM (normal mode).2.3 Combining multiplication and divisionExampleIf the question isthen it is really 27 ÷ 7 ÷ 4.Try it.The display should read 0.9642857142774×-----------3.BracketsFind the set of bracket keys on your calculator.The fx-100AU allows you to use many sets of brackets.ExampleDo the calculation 471 – (93 + 11 + 2) on the calculator. (Make sure your calculation is in ordinary comp. mode –)The keystrokes required are The display should read 365.Sometimes in calculations you will see other grouping symbols, for example, { } (called braces), [ ] (called square brackets).Try these examples:Exercise 1(a)25 + (7 + 2 – 4)(b)18 (3 + 7) [a multiplication sign is understood 18 × (3 + 7)] but you don’t need to press the× key(c)4 + 5 [2 (3 + 7)][to use two sets of brackets just press the same button](d)Answers:30; 180; 104; 14.Powers4.1 Squaring and higher powers62 means 6 × 6. You can use the square key to do this calculation. (It is shown on the photograph of your calculator here.)532+()----------------Pressthe display should read 36.Or you can use the power key on your calculator.Find the ^ key on your calculator (similar to the key on your computer keyboard).ExampleTo square 6,that is, find 62, typeThe display should read 36To find 273 the required key strokes areand the display should read 19683.If you have learnt your multiplication tables you will already know the squares of the whole numbers from 1 to 12 and thus be able to complete much of the following table.__________________________________________________________________________Exercise 2Use your calculator to find the squares of the whole numbers from 13 to 25 and any other squares you are unsure of.__________________________________________________________________________12 = 1112 =212 =22 = 4122 =222 =32 = 9132 =232 = 52942 =142 =242 = 57652 =152 =252 = 62562 =162 =72 =172 =82 =182 =92 =192 =102202Exercise 3You can use this key for other powers as well. Try these examples(a)74(b)810(c)(0.4)6 (you do not have to type the brackets in)(d)(–7)6 (you need to type the brackets in)(e)50.4(f)5–4__________________________________________________________________________Answers:(a)2401(b)1073741824(c)4.096 × 10–3 or 0.004096 (you move the decimal 3 places to the left)(d)(e)1.903653939(f)0.0016 [Just press–4 is the same as so you could press__________________________________________________________________________4.2 Square rootFinding the square root of a number ‘undoes’ or ‘neutralises’ the squaring of the number and vice versa. The symbol for square root is(This is called the radical sign)The square root of 36 is written as Now because 62 = 36, .Find the square root key on your calculator and type154-----36366=The display will read 6.What do you think is? =__________________________________________________________________________You should have said 9 because 92 = 81(Check your calculator)__________________________________________________________________________What do you think will be? You should have said ‘you can’t find the square root of a negative’ since you can’t find a number that squares to give a positive. Your calculator will say Math ERROR.Exercise 4Try these by looking at the table of squares you completed on the previous page and then check your answers on your calculator__________________________________________________________________________The answers are 4, 12, 10, 21, 7, 13, 11, 19.Let’s now check that taking the square root neutralises squaring.Try this on your calculator.Find the square root of 3 squared that is, The key strokes required are The display should read 3Because squaring and taking square roots are inverse operations , the order of the operatons can be reversed and the number is unaffected.So the square, of the square root of 3, should also equal 3Try it on your calculator. The key strokes required are__________________________________________________________________________(a) =(e)=(b) =(f) =(c) =(g) =(d) =(h) =818149–164914416910012144136132Exercise 5Complete the following without using the calculator(a)=(b)=(c)=(d)=10(e)=625(f)=144(g)=,because 82=(h)=,because =121(i)=,because =Check your answers on the calculator.__________________________________________________________________________4.3 Other rootson your calculator. To get to thiskey you must press shift first.727210222264121225Look at the examples below.Examples(a)9½and the display should read 3.orand the display should read 3.(b)and the display should read 2.(c)16¼and the display should read 2.Note:•Root key is a function at the back of the power key, so you will need to activate it with theSHIFT key•See the key . The x stands for the root you want to take so it is typed first.•From the examples above you may have seen that . is called a fractionalindex.813--x 813--83=813--5.FractionsHow do you add and ? Normally you would have to find a common denominator of252.So:Or you can use your calculator to add fractions. Find the key On the key the ‘a ’ represents the whole part of a mixednumber and the ‘’ represents the fraction part of a mixed number.When the number you are typing is a proper or improper fraction the ‘a ’ is zero and there is no need to type a value for it.112-----463-----112-----463-----+21252--------16252--------+37252--------==a b c--fraction keya bc --bc--The key storkes required for the calculation are:and the display will show 37252 which is read as ExampleFindUsing the calculator the key strokes are:and the display will show 87172 which is read asNote if you now press. So this key turns a mixed fractionIf you press thei.e. 8.9861111112-----463-----+d37252--------819--6372-----+d d87172-----64772--------ing the x –1 keyThis is a very useful key in more complex calculations. Find the key on your calculator.ExampleLook at this simple example is the same as You can input this in your calculator by pressingThe answer should be 0.571428571. This would be the same as if you just typed 4 ÷ 7Take another example Type:The answer should be 0.05194805147--417--×483+()7×-------------------------7.Scientific notationSometimes you may have numbers expressed in scientific notation, i.e., 7.24 × 103 instead of 7240. When a number is multiplied by 103right. You can do this on the calculator by using the key.PressIf you want to multiply two numbers e.g. 8.34 × 10–2 × 4.28 × 105. Pressand the display will read 35695.2If you presswhich means 3.56952 × 104. Pressing the mode three times gives youthe displayThe puts the calculator in scientific notation. The calculator then asks SCI 0~9? Thisgives the option of how many digits are displayed. The gives you 10 digits. Notice asmall sci appears in the screen.If you press ×1004whichmeans3.570 × 104. This rounds the number to 4 digits.Practise using the and keys on your calculator8.Factorial x!Look at your calculator and find the key with the symbol x! on it. You will come across this symbol when doing the Binomial Distribution. This is called the factorial key.3! means 3 × 2 × 1 and 5! = 5 × 4 × 3 × 2 × 13! = 65! = 120How many ways would you guess that we could arrange ten people?That is, how large would you estimate 10! to be? Use your calculator to find 10!You should get 3 628 800.10! = 10 × 9 × 8 × ... × 3 × 2 × 1(Thank goodness this can be done on the calculator.)Factorial ruleThe number of ways of arranging n items in order is known as ‘factorial n’ which is symbolised as n! where:n! = n× (n – 1) × (n – 2) × ... × 3 × 2 × 1ing memoryTo calculate the following it may be useful to use the memory key for each term:Example:To make sure memory is clear, first pressorand make sure you are in normal calculation mode [may need to press mode 1].An M appears in the display when you put something in memory.916–()216---------------------2316–()216------------------------1716–()216------------------------++key to activate M–)To do the calculation above, press the following keys- this puts the first term (3.0625) into the memory then press- this adds the second term (3.0625) into memory then press- this adds the third term 0.0625 to memory.To find the answer press The answer should be 6.1875.Example 2calculate the following:firstpress the following keys:your answer should be 11.39917438(There are other memory keys in your calculator – the A to F keys, accessed by using SHIFTSTO and RCL – try them yourselves.)1817---------1717---------1217---------++10.Statistics10.1 Mean and standard deviation – single dataThe formula for the mean is The formulas for the sample standard deviation are(sample)(population)Your calculator will calculate the mean and standard deviation for you (the populationstandard deviation or the sample standard deviation – in data calculations you will usually use the sample standard deviation.)On the Casio fx -82MS , σ and s are found in s-V AR. The positions of keys needed are shown on the diagram below.x Σxn-----=σn σn -1input data keyTo find the mean and standard deviation,firstly you must access the statistics mode of the calculator by using the keysfollowed bySD will appear in the centre of the screen.Note that once you are in the statistics mode, the keys shown within the blue lines are active.There are 3 such keys on the Casio fx -82MS. Make sure you can locate them. Before starting any computations always clear the statistic’s memories using Scl. PressI will use the data set A (–5, 2, 3, 4, 11) to demonstrate the use of the calculator. Note that I have shown the use of thekey where necessary.Step 1: Input the e theThe display should read n = 5. (This means 5 observations have been input).Step 3: Display the mean and standard deviation.Pressthe display shows three alternativesPressx σn = 5.099019514Pressx σn –1 = 5.700877126ExampleUse your calculator to find the mean, standard deviation and variance for data set B: –18, 1, 3, 9, 20.(the variance is the square of the standard deviation)__________________________________________________________________________After you are in the statistics mode and cleared the statistics memories, the keystrokes required are:The mean is 3, the standard deviation is 13.87 and the variance is 192.5. button accesses a number of extra statistical functions.If you have made an error with inputting your data you can correct it by using the up and down key.For example, you inputreads x 3 = 60, then pressIn the example below, the progressive calculations are shown simply to give you someunderstanding of the underlying processes – you should do one or two examples in detail and then check them by calculator.=Σx 2 =815=Σx = 15=n= 510.2 Mean and standard deviation of frequency distributionGiven below is the frequency table for the weights (kg) of a random sample of 30 first year university female students. Find the standard deviation, the variance and the mean.The calculations needed to obtain the standard deviation without statistical keys for these data are:Σx 2 = 602 × 2 + 612 × 14 + 622 × 8 + 632 + 642 × 5 = 114 495Σx = 60 × 2 + 61 × 14 + 62 × 8 + 63 + 64 × 5 = 1 853s = = Thus:s= 1.2 kg and s 2 = 1.4 kg 2= Note: In calculations like the above you should carry as many decimals as possible until thefinal result. The number of decimals to be retained at the end depends on the accuracy of the data values – one rule of thumb is to have one more decimal than in the original data.Notice how the frequencies were used in the above calculation.The calculator usage now has a small modification because we have been given the frequencies for the variable values. (There is no need to input each single observation.)Graduate’s weight(kg)FrequencyCumulative frequency6022611416628246312564530Σx i 2Σx i ()2n ⁄–n 1–--------------------------------------114 495 1 853()230⁄–29-------------------------------------------------------114 495114 453.6333–29--------------------------------------------------------- 1.4264==Σx n -----185330-----------61.8 kg==The keystrokes required are:The display should read n = 30.Thus, as expecteds = 1.2 kg, s 2 = 1.4 kg 2 and = 61.8 kg Exercise 6Find the mean, standard deviation and variance of (a)The annual rainfall data for the years 1971 – 1990Year 1971197219731974197519761977197819791980Rain (mm) 1 3409901 1201 7362601 1001 3791 1251 4301 446Year 1981198219831984198519861987198819891990Rain (mm)1 4591 6781 3459781 0021 1101 5461 6721 4671 123x(b)The sample of snail foot lengthsAnswers:(a)Rainfall statisticsmean:µ = 1 265.3 mm standard deviation:= 336.4 mm variance:σ2 = 113141.7 mm2 (b)Snail statistics mean:standard deviation:s = 0.70 cm variance:s2 = 0.49 cm2Snail foot length (cm)2.2 4.13.54.5 3.2 3.7 3.0 2.63.4 1.6 3.1 3.3 3.8 3.14.7 3.72.5 4.33.4 3.6 2.9 3.3 3.9 3.13.3 3.1 3.74.4 3.2 4.1 1.9 3.44.7 3.8 3.2 2.6 3.9 3.0 4.2 3.5σn-111.Linear regressionTo access the linear regression mode you presskey once followed bythen a small REG appearsExampleSuppose we had a sample of 10 of the same type of banana. Their lengths and skin thicknesses were measured. Below is a summary of the results.STEPS1.(1 = Linear Regression; there are 5 other types)2.Think of the sample of bananas as having two variables:– let x be the variable length of banana – let y be the variable thickness of bananaBanana 12345678910Length (mm)16.215.816.514.916.916.815.615.615.715.4Thickness (mm)1.11.21.11.00.91.21.11.20.90.8accesses the keys with ⎡ ⎤ in blueFor each banana you have to put in both numbers.To put in the first set of numbers, press the following keys:is used for the 2nd variableContinue in this mannerAfter you have input all the numbers.The display should read n = 10To find the linear regression equation in the formy = a + b xPressPress∴There is not a high correlation between the thickness of bananas and the length of bananas tested.The calculator will also give you other statistics about this sample. Use to get the mean thickness (1.055mm) or the standard deviation (0.64mm).x σy σn –1:12.Trigonometric functionsThe keys involved are:Important : Make sure that your calculator is in the correct mode. For example, if your calculator has R or G on the display and you wish to work in degrees, press mode twice and then select 1 for degrees. Your screen should now display D.Example 1In the right-angled triangle below, the length of the side opposite the 20° angle needs to be calculated.To find the length of the side labelled xcm, useThe keystrokes on the calculator are:Example 2In the right-angled triangle below, the length of the hypotenuse needs to be calculated.To find the length of the side labelled x cm, use:The keystrokes on the calculator are:The display should read 20.466631, so the length of the hypotenuse is about 20.5 cm.Example 3Given the lengths of two of the sides in the right-angled triangle below, find the value of the angle θin degrees:To find the value of θ, you need to use the cos –1 key. The calculator keystrokes are:Note: You must first get the value of the division by using the brackets.Your display should read 60°. If it does not, check that you are in degree mode.13.Exponential and logarithmic functionsThere are two log keys on your calculator, with their associated exponential keys. The latter are accessed by first using the shift key:The ‘log’ key uses base 10 and the ‘ln’ key uses base e (natural logarithm).Example 1Solve equation Taking logs of both sides;To find the value of a , the keystrokes are:The display should read 4.3219281.So, . Confirm this by using theExample 2Given , find the value of y The key is above the log key. Hence the keystrokes are:The display should read 38.370725Example 3 (harder)Given , find the value of xTo find log x , the calculator keystrokes are:2a 20=4.32220≈log y 1.584=log y 1.584= y ⇒101.584=10x log x 6 1.5=The display should read 0.5187675.Since this is the value of log x , you still need to find x where Without removing the answer of 0.5187675 on your display, press:Your display should now read 3.3019272Note: You could use the ‘ln’ key instead of the ‘log’ key – the answer would still be the same. Try it!14.Degrees, minutes, secondsThe key involved isThis key can be used for problems involving degrees, minutes and seconds or hours, minutes and seconds.0.518767510x=Example 1Suppose that you have a trigonometric problem where the angle involved is given in degreesand minutes. e.g. Find x where ’The keystrokes involved are:The display should show 1.728343, so x is approximately 1.73Example 2If you wish to convert an angle in degrees to its equivalent in degrees, minutes and seconds:e.g. 34.88°, the keystrokes are:The display should read 34°52°48.Example 3To find the sum of 5 hours 52 minutes 30 seconds and 7 hours 45 minutes 49 seconds:The keystrokes are:The display should read 13.638611 (hours).x 4sin 25° 36×=Review calculator exercises1.Perform the following calculations(i)(5 + 4) × 3(ii)12.5 – 8 ÷ 0.5(iii)(iv)(v)(vi)(vii)(viii)(ix)(x)(xi)2.The following data is on growth (in $m) in an economy over a 8 year period:2.56.2-2.10.048.27.42.1-1.7Calculate (i) Σx(ii) Σx 2(iii) (Σx )2Explain in words what each of these mean.368–×4--------------------12.816.5 3.8–-----------------------70.4117+×47+()2×-------------------------------2.434--------145.617.225⁄–345.617.22–5⁄25327×1.0230--------------------+4.1333 3.000–() 2.0150.136626------------------0.200026------------------+±10090–()290---------------------------5060–()260------------------------2030–()230------------------------++Calculator solutions1.(i)(5 + 4) ×3= 27Make sure your calculation is in comp mode.(ii)12.5 – 8 ÷ 0.5= -3.5(iii)= 2.5Either (3 × 6 – 8) ÷ 4 = or 3 × 6 – 8 = ÷ 4 =(iv)= 1.007874Either 12.8 ÷ (16.5 – 3.8) = or 16.5 – 3.8 = x –1× 12.8 =(v)= 0.9Either ... ÷ ((4 + 7) × 2) = or ... ÷ (4 + 7) ÷ 2 =(vi)= 3.2Either 2.4 ÷ (3 ÷ 4) =, or 2.4 ÷ 3 a b/c 4 = (vii)= 9.296..Either 145.6 – 17.2x 2 ÷ 5 = √ =, or √ (145.6 – 17.2x 2 ÷ 5) =(viii)= 1.41..Either 345.6 – 17.2x 2 = √ ÷ 5 = or (345.6 – 17.2x 2) √ ÷ 5 =(ix)= 39.498525 + 3 × 27 ÷ 1.02 ÷ √ 30 =(x)= 1.3325 or 0.9341368–×4--------------------12.816.5 3.8–-----------------------70.417+×47+()2×----------------------------2.434--------145.617.225⁄–345.617.22–5⁄25327×1.0230--------------------+4.1333 3.000–() 2.0150.136626------------------0.200026------------------+±Calculator keys:0.1366 x 2 ÷ 6 + .2 x 2 ÷ 6 = √ = x 2.015 ==(xi)= 6.1111Calculator keys:(100 – 90) x 2 ÷ 90 + (50 – 60) x 2 ÷ 60 + (20 – 30) x 2 ÷ 30 =2.The following data is on growth (in $m) in an economy over a 8 year period:2.56.2-2.10.048.27.42.1-1.7Calculate (i) Σx(ii) Σx 2(iii) (Σx )2Explain in words what each of these mean.To do this on the calculator, you must be in SD mode. Enter the data:mode 1 2.5 M+ 6.2 M+ (–) 2.1 M+ .04 M+ 8.2 M+ 7.4 M+ 2.1 M+ (–) 1.7 M+(i)22.64Press the key that says ΣxThis gives the total growth over the last 8 years(ii)178.4016Press the key that says Σx 2of the squares of the growth in each year(iii)512.5696Press Σx and x 2. This gives the square of the sum of the growth.10090–()290---------------------------5060–()260------------------------2030–()230------------------------++Your notes。
学生用计算器说明书
学生用计算器说明书一、前言亲爱的同学们，欢迎使用这款专为学生设计的计算器。
它将成为您学习过程中的得力助手，帮助您更轻松、更准确地完成各种数学计算。
为了让您能够充分发挥它的功能，我们为您准备了这份详细的说明书，请仔细阅读。
二、产品概述1、外观设计这款计算器采用了简约时尚的外观设计，尺寸适中，方便携带。
按键布局合理，操作手感舒适，能够有效减少误触。
2、显示屏配备了高清液晶显示屏，数字和符号显示清晰，易于读取。
三、按键功能介绍1、数字键（0 9）用于输入数字。
2、四则运算键（＋、、×、÷）进行加、减、乘、除四则运算。
3、等号键（＝）得出计算结果。
4、小数点键（）输入小数。
5、清除键（AC）清除所有输入和计算结果。
6、退格键（←）删除前一个输入的数字或字符。
7、平方根键（√）计算一个数的平方根。
8、百分数键（％）将数字转换为百分数形式，或进行百分数的计算。
9、倒数键（1/x）计算一个数的倒数。
10、存储键（M+、M、MR）用于存储和调用计算结果。
四、基本运算操作1、加法运算例如：计算 2 ＋ 3，依次按下“2”、“＋”、“3”、“＝”，显示屏将显示“5”。
2、减法运算比如：计算5 2，依次按下“5”、“”、“2”、“＝”，显示屏将显示“3”。
3、乘法运算要计算 2 × 3，按下“2”、“×”、“3”、“＝”，结果显示“6”。
4、除法运算若计算 6 ÷ 2，按“6”、“÷”、“2”、“＝”，屏幕显示“3”。
五、高级运算功能1、平方根计算要计算 9 的平方根，按下“9”、“√”，显示屏显示“3”。
2、百分数计算比如计算 20 的 50%，输入“20”、“×”、“50”、“％”、“＝”，结果为“10”。
3、倒数计算求 2 的倒数，按下“2”、“1/x”，显示屏显示“05”。
六、存储功能的使用1、存储数值先计算出一个结果，例如 5 ＋ 3 ＝ 8，然后按下“M+”，将结果 8 存储起来。
学生专用计算机说明书
学生专用计算机说明书一、产品概述本说明书为学生专用计算机（以下简称“计算机”）的使用说明。
该计算机是一款专为学生设计的高效、便携的学习工具，具有出色的性能和丰富的功能。
该计算机采用先进的技术和人性化的设计，旨在帮助学生提高学习效率，掌握信息技术技能。
二、技术规格1. 处理器：英特尔i5-XXXX 处理器（XXXX 兆赫兹）2. 内存：XXXX 兆字节（可升级）3. 硬盘：XXXX 千兆字节（可扩展）4. 显示屏：XXXX 英寸高清显示屏5. 重量：XX 千克（含电源适配器）6. 尺寸：XXXX 毫米（宽）XXXX 毫米（深）XXXX 毫米（高）7. 操作系统：Windows XXXX8. 其他特性：蓝牙连接、WiFi、USB XXXX 端口、HDMI 输出、SD 卡插槽等三、系统要求为了获得最佳的性能和体验，请确保您的计算机满足以下要求：1. 操作系统：Windows XXXX 或更高版本2. 内存：XXXX MB 或更高3. 硬盘：XXXX GB 或更高4. 显示器：分辨率为XXXX XXXX 或更高5. 网络连接：稳定的互联网连接（可选）6. 其他：键盘、鼠标和显示器（如果需要）四、安装与设置请按照以下步骤进行计算机的安装和设置：1. 将计算机放在平稳的表面上，并打开电源开关。
2. 根据屏幕提示进行操作，完成系统的设置。
3. 连接键盘、鼠标和显示器（如果需要）。
4. 下载并安装必要的软件和应用程序。
五、操作指南请参考以下指南使用计算机：1. 学习基本计算机操作，如打开应用程序、浏览网页和使用文件等。
2. 学习使用预装的软件和应用程序，如办公软件、学习工具和浏览器等。
3. 根据个人需求，下载并安装其他软件和应用程序。
4. 定期更新系统和软件，以确保最佳的性能和安全性。
学生计算器说明书
学生计算器说明书学生计算器说明书1. 引言学生计算器是一款功能强大的工具，为学生提供了各种数学计算和问题解决的方法。
本文档将详细介绍学生计算器的主要功能，使用方法以及技巧。
2. 功能概述学生计算器具备以下主要功能：- 四则运算：加法、减法、乘法、除法- 百分比计算- 平方计算、开方计算- 单位换算- 常用数学函数计算：正弦、余弦、正切等- 统计计算：平均值、中位数、标准差等除以上功能外，学生计算器还提供了记忆功能，可以存储多个计算结果，方便用户随时查看。
3. 使用方法3.1 基本计算学生计算器的基本计算功能非常简单，只需按照标准的数学运算符号即可完成。
例如，要计算2加2的结果，只需按照以下步骤进行操作：1. 打开学生计算器2. 在输入框中键入`2+2`3. 点击等号按钮或按下回车键4. 结果将显示在屏幕上，即43.2 百分比计算学生计算器可以轻松进行百分比计算。
要计算一个数的百分之几，可以按照以下步骤进行：1. 打开学生计算器2. 在输入框中键入要计算的数，如`80`3. 输入乘法符号`*`，然后键入百分比数，如`25%`4. 点击等号按钮或按下回车键5. 结果将显示在屏幕上，即203.3 单位换算学生计算器支持常用单位的换算。
要进行单位换算，可以按照以下步骤进行操作：1. 打开学生计算器2. 在输入框中键入要转换的数值，如`5`3. 输入单位转换符号`*`，然后键入目标单位，如`cm`4. 点击等号按钮或按下回车键5. 结果将显示在屏幕上，即5003.4 数学函数计算学生计算器可以计算常用的数学函数。
要计算正弦、余弦、正切等函数的值，可以按照以下步骤进行操作：1. 打开学生计算器2. 在输入框中键入要计算的函数，如`sin(45)`3. 点击等号按钮或按下回车键4. 结果将显示在屏幕上，即0.70713.5 统计计算学生计算器提供了一些常用的统计计算功能，如平均值、中位数、标准差等。
要进行统计计算，可以按照以下步骤进行操作：1. 打开学生计算器2. 在输入框中键入要计算的数值，以逗号分隔，如`1, 2, 3, 4, 5`3. 输入统计计算符号，如`mean`代表平均值，`median`代表中位数4. 点击等号按钮或按下回车键5. 结果将显示在屏幕上，即34. 技巧与注意事项- 在进行复杂计算时，可以使用括号来改变计算顺序。
学生用计算器说明书
学生用计算器说明书一、前言亲爱的同学们，欢迎使用这款专为学生设计的计算器。
它将成为您学习数学、科学等学科的得力助手。
为了让您能更好地使用它，发挥其最大的功能，我们为您提供了这份详细的说明书，请仔细阅读。
二、外观与按键介绍1、显示屏计算器的显示屏是您获取计算结果的重要窗口。
它能够清晰地显示数字、运算符号和计算结果。
2、数字按键从 0 到 9 的数字按键，用于输入您要计算的数值。
3、四则运算按键包括加法（＋）、减法（）、乘法（×）、除法（÷），用于进行基本的四则运算。
4、小数点按键（）用于输入小数。
5、清除按键清除键（AC）用于清除所有输入和计算结果，重新开始计算。
6、等于按键（＝）按下此键可得出计算结果。
7、括号按键（（））在复杂运算中用于明确计算顺序。
8、功能按键如平方根（√）、幂运算（＾）、倒数（1/x）等，用于进行更复杂的数学运算。
三、基本操作1、输入数字直接按下相应的数字按键即可输入数字。
2、进行四则运算先输入第一个数字，再按下相应的运算符号，接着输入第二个数字，最后按下等于键（＝）得出结果。
例如：计算 2 ＋ 3，依次按下 2 、＋、 3 、＝，显示屏将显示 5 。
3、小数的输入在输入数字时，按下小数点按键（）输入小数点及小数部分的数字。
4、清除操作如果输入错误，可按下清除键（AC）重新输入。
四、功能介绍1、平方根计算按下平方根按键（√），输入要计算平方根的数字，然后按下等于键（＝），即可得到该数字的平方根。
例如：计算√9 ，按下√ 、 9 、＝，显示屏将显示 3 。
2、幂运算按下幂运算按键（＾），先输入底数，再按下＾，然后输入指数，最后按下等于键（＝），得到幂运算的结果。
例如：计算 2 ＾ 3 ，依次按下 2 、＾、 3 、＝，显示屏将显示 8 。
3、倒数计算按下倒数按键（1/x），输入要计算倒数的数字，按下等于键（＝），得到该数字的倒数。
例如：计算 4 的倒数，按下 4 、 1/x 、＝，显示屏将显示 025 。
CASIO FX-82MS 说明书
含分数及小数值的计算结果总是为小数.
k FIX, SCI, RND
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安全注意事项
在使用本计算器前， 务请详细阅读下述安全注意事项.务请将 本用户说明书存放在易於取阅的地方以便日后随时查用.
等号 = 键前的所有 T 键操作均可省略 .
k 分数计算
u分数பைடு நூலகம்算
当分数值的位数总和(整数 + 分子 + 分母 + 分号)超过 10 位时，本计算器即会自动以小数的格式显示该数值 . 2 范例 1： 3 1 5
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k 独立存储器
数值可直接输入存储器，可与存储器中的数值相加，亦可从 存储器减去数值.独立存储器对於计算累积总和很方便. 独立存储器与变量 M 所使用的存储区相同. 若要清除独立存储器(M)中的数值，键入 0 A j 3 (M ) 即可 . 范例： 23 53 9 6 2
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取下和装上计算器保护壳
在开始之前 ..... 1 如图所示握住保护壳并将机体从保护壳抽出 . 结束后 ..... 2 如图所示握住保护壳并将机体从保护壳抽出 . 机体上键盘的一端必须先推入保护壳 切勿将显示屏的一 . 端先推入保护壳 .
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学生用计算器说明书
学生用计算器使用说明书•范例 2： 5x （9 ♦ 7>= 805E3CTJ9E3 7CDQ•等号 曰储丽的防：仃mH 操作均川省略。
■分数计算•当分数值的位数总和（整数+分子+分母+分号）趙过10位时. 本计外器即会口动以小数的格式显示数值。
・范例* ； 3 » 5 'll 11 121 2•范例 2：3—+1y = 4 •范例3 ：吕u + •范例4： 2 + 16 =2回3口1回5曰3〔询1阪4口1回2叵J32(£E 4EI 小 2Q I 6 Q・含分数及小饮值的计炉结果总建为小 ____________ •范例I ：2・75 2 —（小数T 分y* 1作将d ・■'H(s•范例;、气您con 350MS/82MS^B^使用前的准备半您臾进行基木计并时・请便用 云健进入模式•COMPg 1•计畀式中的负数值必须用括号括起来・ sin -1.23 -Gnrnn=ni ・23[D •负的指数爪需嬰括号括起来。
sin 2.34 x 10 ・5 — 叵）2.34 回[ED 5•范例 1 3x （5 x 10 ®）= 1.5X10^ 3d 5回® 9・*产■买三个月内.出厂日E 六个月内 «天■光苗伪矗标・坏・不ttfftt ・人为*环不f«t 星战少色餐.»3“书.tiiiit&x 他配件时不于保修 ■人为用日的产品不fan.I 合格证I厦曲证护品己询aoc QAiFMt.•按旦 •范例2基本计算要执行的计算类型 键操作 需进人 的樓式雀本许术运灯 SCUCOMP 标准星 ecu SD 冋归计算皿3REG■按曰・存储;(COMP)■模式在开始计算之也 您必须先进入右 '衣所列的适二模 式。
■三月•"例4： - ♦ I e 2.1 D '・A 分■及小数仇的计算飲呆总址为小数 •小分数格式变換・・范例1 ：2 75 = 2十（小数-分数）6D 「2」3J G0.5•带分数一假分数格式变换 •范例 1 -y ♦* -j- a （^]|5_i3.|■度分秒计算•您可以便用度（小时），分和秒来进行60进制计算，也可以在 60进制和10进制之间进行转换.・•范例I ：将10进制数2.258转换为60进制数，然后再转 换回10进制数。