For years, pivot tables have been my go-to for almost every data summary task in Excel. Over time, I got pretty good at them, field lists, value settings, the whole ritual, but they never quite felt ...

A worksheet on identifying whether a given table of values represents a function. Answers are included. Are your maths students struggling to spot repeating inputs in tables of values? Take the ...

A worksheet in which students are required to determine if a given relationship is a function or not. More precisely, they have to identify functions from sets of ordered pairs, tables of values, ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. From the sixteenth century, computing ...