![]() One of the main issues our EmPower students face is convincing examining bodies that FX Equation does not provide them with a mathematical advantage in an exam situation. We have helped thousands of students over the past 20 years. If you have a student who finds it difficult to write mathematics due to a special need, take a look at our EmPower program. This has proved especially useful with FX Equation as many students find FX Equation to be the quickest way to input mathematical materials using a keyboard or keyboard analog. ![]() The SelectFrom parameter is an advanced parameter type that can make the creation of some question types much simpler.Įfofex has long provided students with special needs with free licenses for our products. You could have also typed something like $s=selectfrom($r,3) which would select from the 12th element through to the 54th element of the range list. The addition of the square brackets will cause the range parameter to list all values and $s will contain 3 values selected from this list. The easiest way to do this is to use the $r notation. To use the selectfrom command with range parameters (and other parameters which do not list all values), you need to list the values using references. Will not produce the results you expect, because range parameters do not “list all values” automatically. ![]() Some parameters do not list all values automatically. The SelectFrom command will select from listed values. In this case, we will get back 5 cards from a deck. This command will randomly select five elements from $d. Once we have our source parameter, we can create a SelectFrom parameter The source parameter can be just about anything. To use a SelectFrom parameter, you need to create a “source” parameter that contains the elements you wish to “select from”. We have added a new SelectFrom parameter type that simplifies the process of randomly selecting elements from a list or set.
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