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Corrected the help text for numerical.html

and also included Numerical in questiontypes.html
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commit f5626b4c6b418da1789da4980bf4224e620c53b4 1 parent bbe15ef
kaipe authored
18 lang/en/help/quiz/numerical.html
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@@ -1,10 +1,16 @@
<P ALIGN=CENTER><B>Numerical questions</B></P>
-<p>In response to a question (that may include a image) the respondent
- must type a number.</p>
+<p>From the student perspective, a numerical question looks just
+ like a short-answer question.</P>
-<p>The required answer may have an accepted error. This allows a range of
- answers to be set.</p>
+<p>The difference is that numerical answers are allowed
+ to have an accepted error. This allows a continuous range of answers
+ to be set.</P>
+
+<p>For example, if the answer is 30 with an accepted error of 5,
+ then any number between 25 and 35 will be accepted as correct.</p>
+
+<p>Numerical questions can also have case-insensitive non-numerical answers.
+ This is useful whenever the answer for a numerical question
+ is something like N/A, +inf, -inf, NaN etc</p>
-<p>For example, if the answer is 30 with an error of 5, then any number
- between 25 and 35 will be accepted as correct.</p>
11 lang/en/help/quiz/questiontypes.html
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@@ -19,6 +19,17 @@
<p align=right><a href="help.php?file=shortanswer.html&module=quiz">More info about Short Answer questions</a></p>
</UL>
+<P><B>Numerical</B></P>
+<UL>
+<P>From the student perspective, a numerical question looks just
+ like a short-answer question.
+ The difference is that numerical answers are allowed
+ to have an accepted error. This allows a continuous range of answers
+ to be set.
+</P>
+<p align=right><a href="help.php?file=numerical.html&module=quiz">More info about Numerical questions</a></p>
+</UL>
+
<P><B>True/False</B></P>
<UL>
<P>In response to a question (that may include a image), the respondent
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