Philipp Imhof

You can use the following definition: `h = 60 min; min = 60 s; s = 0.001 ks` Doing like this makes sure that hours are tied to minutes which...

Bringing minutes into relation with seconds will move the seconds away from its "dimension" place and thus remove the link to the original SI prefixes. So there is no "real"...

Just thinking of it, I wonder whether it might make sense to allow setting a default value per question. Say we already have a variable `tolerance = 0.001`. Then, if...

Thinking of it further, I wonder: is there really a need for these functions? We currently have the special variable `_d` which holds the absolute difference between the model answer...

Additionally, I'd like to note that fixing the "main_library_id" manually in the DB often does not solve the problem, because many activities use more than one library and, as it...