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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 ...

If you're using Excel to calculate monetary values, then you only have to worry about two decimal places in your numbers. Aligning your numbers to the right automatically lines up the decimal points ...

A date-and-cost line chart tracks a commodity's changing price over time. Economists use such diagrams to display broad market trends and predict future prices. Businesses that restock continually use ...

How to make visual comparisons of actual sales to target goals in an Excel chart Your email has been sent Image: iStock/muchomor Must-read Windows coverage CrowdStrike Outage Disrupts Microsoft ...