# What is a logarithmic trendline in Excel?

**logarithmic trendline**is a best-fit curved line that is most useful when the rate of chance in the data increases or decreases quickly and then levels out. A

**logarithmic trendline**can use negative and/or positive values. Polynomial. A polynomial

**trendline**is a curved line that is used when data fluctuates.

Similarly, you may ask, what is a polynomial trendline in Excel?

A **polynomial trendline** is a curved line that is used when data fluctuates. It is useful, for example, for analyzing gains and losses over a large data set. The order of the **polynomial** can be determined by the number of fluctuations in the data or by how many bends (hills and valleys) appear in the curve.

One may also ask, what is trendline in Excel chart? A **trendline** is an additional line that indicates the slope (or trend) in a particular data series and is also known as a line of best fit. Trend lines can be helpful when you are analysing data because they can forecast future values based upon your current data. A **trendline** is a line of best fit.

Consequently, what is exponential trendline in Excel?

An **exponential trendline** is a curved line that is used when data values rise or fall at increasingly higher rates. You cannot create an **exponential trendline** if your data contains zero or negative values.

How do I add a trendline in Excel?

**Add a trendline**

- On the View menu, click Print Layout.
- In the chart, select the data series that you want to add a trendline to, and then click the Chart Design tab.
- On the Chart Design tab, click Add Chart Element, and then click Trendline.
- Choose a trendline option or click More Trendline Options.