Changes for page ONYX und MAXIMA

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3	3	To perform more complex calculations and to fulfill specific requirements, the computer algebra system MAXIMA, which is linked to ONYX, can be used. The [[Netzwerk Mathematik>>url:https://bildungsportal.sachsen.de/opal/auth/RepositoryEntry/5499682817/CourseNode/88308307976325||shape="rect"]] has gathered a number of [[Good-Practice-Examples>>url:https://bildungsportal.sachsen.de/opal/auth/RepositoryEntry/5499682817/CourseNode/93229879750473/||shape="rect"]]. This collection of typical applications, tricks and pitfalls will help you understand how to use the MAXIMA connection in ONYX. Please find below a selection of topics that are described in detail.
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14	14	* [[Good-Practice-Examples Maxima/ONYX in Netzwerk Mathematik>>url:https://bildungsportal.sachsen.de/opal/auth/RepositoryEntry/5499682817/CourseNode/93229879750473/wiki/Index||shape="rect"]]
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25	25	== Analysing user responses with the help of variables ==
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27	27	By using maxima queries in the Variables tab, you can access the answer selected by the user and the correct task solution. More details can be found here [[Expert assessment>>doc:ONYX.Erstellung von Testinhalten.Aufgaben.Bewertung festlegen.Expertenbewertung.WebHome]].
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30	30	== Auto-completion of invalid MAXIMA terms ==
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32	32	If during the creation or editing process of a variable the user enters a non-valid MAXIMA expression in the field for determining the value, ONYX converts the expression into a valid expression before transferring it to MAXIMA.
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37	37	When determining a numerical (variable) value, the "invalid" calculation defined by the author is completed with a** float command**: float(...);.
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39	39	Example
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41	41	* The calculation "1+2" is changed to the MAXIMA command "float(1+2);".
42	42	* The data type of the variable is taken into account for the result regardless of the MAXIMA calculation performed.
43	43	* If the value of a variable type "Integer" is set by the calculation "1+2", the result value of the MAXIMA calculation is "3.0", the variable value is set accordingly to "3" as an integer value.
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67	67	When determining a text-based (variable) value, the "invalid" calculation defined by the author is completed with a semicolon.
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69	69	Example
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71	71	* The entry "a" is changed to the MAXIMA command "a;".
72	72	* The data type of the variable is taken into account for the result regardless of the MAXIMA calculation performed.
73	73	* If the value of the variable is set to the type "Text", the result value of the MAXIMA calculation is "a" and the variable value is accordingly set to "a".