A learning object is a reusable unit of instruction for e-learning. In order to use it in different contexts, the presentation has to be separated from the content. which calls for specific data formats. SCORM is such a format.
... \pm \sqrt {b^2-4ac}}{2a}
</math>
The term b2 – 4ac is called the discriminant of the quadratic equation, because it discriminates between three ...