Philipp Imhof

Variables are now basically working. What remains to be done: - [x] evaluation of for loops - [x] assignment of a value to an individual array element - [x] definition...

Almost all functions are now available and working. Here's what remains to be done (implemented/written or tested): - [x] `inv()` function - [x] `map()` function - [x] parsing and instantiation...

I have started the integration of the new parser. That's going to take a while. Please note: # From now on, some tests will be failing Some tests depend on...

Behat tests are now passing. That is quite a milestone, because it confirms that **basic** functionality is working. # However, this is still far from being production ready. For anyone...

Another step forward: only two unit tests are failing and it is not yet clear whether that is a real failure (i.e. a bad implementation) or an expected failure (i.e....

Many bugs have been eliminated so far. The number of tests has grown quite a lot. All new classes do now have 100% code coverage. There are some tests to...

Everything is now well tested and functional. There are two steps remaining, before I'll send this to beta testing: * question's edit form: validation, error messages, test coverage of validation...

### Note for the docs ### It is now possible to use local and grading vars in part's general and combined feedback. When using `_0` in a question with a...

Closing this PR and keeping for reference. Changes have been merged via a new (clean) PR.

> Fix the fmod() function By fixing the function, you mean the case `fmod(2,0.4) != 0`? As I understand the docs, `fmod()`'s result differs from Google calculator or TI-Nspire CX...