I learned the following trick for memorizing the value of e from my colleague, Gene White. It never fails to impress calculus students (given a wide enough definition of “impress”). I learned the ...

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 ...

We use a decimal point to separate units (ones) from parts of a whole, such as tenths, hundredths, thousandths, etc. \({0.1}\) is a tenth, \(\frac{1}{10}\), of a one ...

When you do not need to speak or write about exact quantities or measures, learning to round decimals can be useful. Rounding decimals is useful when making an estimation. The process is similar to ...