If you understand the definition of a mathematical function, a good way to judge it is that any line drawn parallel to the y-axis intersects with the values in the function’s curve only once. The same ...

Data is rarely so uniform and predictable that plotting data points creates a perfectly linear arrangement. Scatter charts might have wildly varying plots that create a seemingly random correlation ...

Numbers by themselves seldom convey the big picture. Excel Charts makes it easy to illustrate trends in your business, from past expenses and profit to sales forecasts based on previous sales. T*o* ...