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There are three types of languages Otter recognizes. One is Enhydra, the language of code. Two ar...

Please read this document thoroughly before you begin to write maths questions from question temp...

Please read this document thoroughly before you begin to write English questions from question te...

  Formatting Element Definition Example Highlighting and  marking wo...

Example 1   Compound Words, Difficulty Level 1 Question Template Which of the following ...

Most users will log into OTTER after they have spent several hours engaging in lessons and after-...

The majority of question templates have five elements, as in Example 1 below. an instruction s...

Warning: The OTTER difficulty levels do not match any system of levels published on the internet ...

In general, the progression of difficulty levels in maths subtopics will be clear, but certain qu...

Example 1  Inequalities, Difficulty Level 1 Question Template N is a whole number. Find ...

As each subtopic has its own types of question templates and progression in difficulty levels, it...

For obvious reasons, you may not wish everything  in the answer box to be interpreted, and instea...

As you can see from these pictures, if your wrong answers have the same (or even partially same...

Input-type answers are answers with only one correct answer and no alternatives, yet the correct ...

Most users will log into OTTER after they have spent several hours engaging in lessons and after-...

What are answer flags? Certain flags can change what is accepted. These are placed at the beginn...

Once you have finished writing your question, it is ready for submission. Before submission, make...

For your convenience, Otter has syntax highlighting. That is why you may currently find some exam...

The text written between a pair of ### signs is interpreted by the OTTER system and not displayed...

Simple random function – r() One typical use of OTTER’s interpreter is to generate a random numb...