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Sell

The Simple E-Learning Language (=: SELL) is an open standard for mathematical e-learning questions with the following objectives:

  • Simple syntax: No unneeded overhead. Defining a task/question should be similar to describe the task/question on a blackboard.
  • Expressive langage: Programs are short and concise such that the semantics can be grasp quickly. Irrelevant detail is avoided.
  • Reuse of established standards: It inherit AsciiMath for mathematical expressions and Markdown for text formatting.

Project maintainer: Andreas Schwenk / TH Köln.

Language Definition

SELL is domain-specific langague (DSL). Visit the official website for detailed information.

Hello, World!

The following example demonstrates a qickcheck in a mumie article written in SELL.

\begin{sell}
  Matrix Operations
 
      a := { 1, 2, 3 }
      A, C in MM( 2 x 1 | a )
      B in MM( 2 x 2 | a )
      D := (A + B^T * C)^T
 
  Please calculate:
  * $ (A + B^T * C)^T = #D $
\end{sell}

Click here to run the example

More Examples

You'll find a set of working examples (in German language) here.
The corresponding SELL-code can be found in this repository in directory /src/training/

Updated by Sabine Greiser, 3 years ago – c2f78b5