The asterisk (*) is the wildcard character that represents any sequence of characters, including when there are no characters at all. It’s the most flexible of the bunch, since it can replace any ...

REDUCE allows you to iterate through your data, building your result step-by-step, in the same way a loop operates in a ...

Cell division is a process of remarkable precision: during each cycle, the genetic material must be evenly distributed between the two daughter cells. To achieve this, duplicated chromosomes, known as ...