jeuxcasio-CAS addin 说明书
卡西欧9750和9860都可以安装jeuxcasio版本的CAS addin，下载地址是：http://www.cncalc.org/thread-1017-1-1.html，这款小工具十分快捷高效，可以满足日常部分CAS需求。这里从jeuxcasio的官方网站下载来的这款小工具的使用说明，可以深化大家对这款CAS addin的认识。仅供大家参考：注意：这个小软件不支持factor字母表达式，例如factor(x^2-1,x)是算不出来的。
Presentation of the CAS
Tableof contentsIntroduction
Derivativecalculus
Expand anexpression
Simplification
Solving
Decomposition
GCD calculusIntroductionThe CAS (Computer Algebra System) was developed for the CASIO FX-9860.It's a small application which is added in the main menu of your calculator.You can use this application by selecting the new icon in your menu : file:///D:/Users/sflslym/AppData/Local/Temp/msohtmlclip1/01/clip_image001.pngThe operations that can be realized with thisapplication are detailed in the followings parts of this page.Derivative calculusThe CAS allows you to differentiate any expression.Expressions you want to differentiate can have more than one variable, andthen you have to indicate the variable you want to use.Example :
diff(2x^2+3x+2,x) will derivate the expression 2x^2+3x+2 using x as the derivativevariable. Then the result will be 4x+3.file:///D:/Users/sflslym/AppData/Local/Temp/msohtmlclip1/01/clip_image002.pngExpand an expressionThe CAS allows you to expand any expression. If youwant to expand an expression which contain more than one variable, you haveto indicate which variable you want to use.file:///D:/Users/sflslym/AppData/Local/Temp/msohtmlclip1/01/clip_image003.png
file:///D:/Users/sflslym/AppData/Local/Temp/msohtmlclip1/01/clip_image004.png file:///D:/Users/sflslym/AppData/Local/Temp/msohtmlclip1/01/clip_image005.pngSimplificationThe CAS allows you to simplify any expression. Inparticular, it allow to simplify trigonometric expression.file:///D:/Users/sflslym/AppData/Local/Temp/msohtmlclip1/01/clip_image006.pngSolvingThe CAS have a solver module which allow to solveequations (linear or not). If your unknown variable is not x, you have toindicate which variable you want to use to solve the equation.file:///D:/Users/sflslym/AppData/Local/Temp/msohtmlclip1/01/clip_image007.png file:///D:/Users/sflslym/AppData/Local/Temp/msohtmlclip1/01/clip_image008.pngDecompositionThe CAS have a function which allow to decompose anynumber as a product of prime numbers.GCD calculusThe CAS allows you to determine very quickly the GCD(Greatest common divisor) of two numbers.
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注意：这个小软件不支持factor字母表达式，例如factor(x^2-1,x)是算不出来的。
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