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Merge pull request #2016 from edx/markhoeber/documentation/stud-1033

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added detail about tolerance for numerical problems
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srpearce
2013-12-20 07:59:51 -08:00
parent c0c895cb47 4f0b800d67
commit ce18bcecda
1 changed files with 6 additions and 3 deletions
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9
docs/course_authors/source/common_problems.rst
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@@ -227,7 +227,7 @@ relatively simple mathematical expressions to answer a question.
.. image:: Images/NumericalInputExample.gif
Note that students' responses don't have to be exact for these problems. You can
specify a margin of error. For more information, see the instructions below.
specify a margin of error, or tolerance. For more information, see the instructions below.
Responses for numerical input problems can include integers, fractions,
and constants such as *pi* and *g*. Responses can also include text
@@ -256,8 +256,11 @@ Create a Numerical Input Problem
When you do this, an equal sign appears next to the answer.
#. (Optional) If you want to include a margin of error, add **+-NUMBER** after the answer. For
example, if you want to include a 2% margin of error, add **+-2%**.
#. (Optional) If you want to include a margin of error, or tolerance, add **+-NUMBER** after the answer.
You can add a percentage or number.
For example, if you want to include a 2% tolerance, add **+-2%**. To add
a tolerance of 5, add **+-5**.
#. In the component editor, select the text of the explanation, and then click the
explanation button to add explanation tags around the text.