Abstract
The transfer of classical classroom examinations into digital formats is probably inevitable in the
future in order to carry out goal-oriented and demanding performance examinations as part of
a modern and high-quality education. In this publication, we outline the opportunities and limitations
of the ONYX testing platform in conjunction with the computer algebra system MAXIMA
using the learning management system OPAL in the implementation of two online examinations
with up to 500 students. Of particular interest are the observed shifts in the proportion of work
with regard to conception, examination supervision and correction, which we present and
whose effects we discuss.
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