<p align="center"><b>Numerical questions</b></p>
<p>From the student perspective, a numerical question looks just
- like a short-answer question.</p>
+like a short-answer question.</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>
+to have an accepted error. This allows a continuous range of answers
+to be set. 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>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>Like with short answer questions, different answers, or the same
+answer with different precisions can be given. In this case, the first
+matching answer is used to determine the score and the feedback.<p>
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