Most of you probably already realize this, and when I noticed the issue, I sort of had a hunch about the reason for it.

And for some applications, the digits that were dropped could make the difference between making an accurate prediction from your data and one that was not so good, especially if you multiply them by numbers that have big exponents. In other words, the coefficients presented in the equation are correct, but rounded off. But, in some cases, especially with high power polynomials, your predictions could be way off if you did that because of the compounding of rounding errors. It could be pretty tempting to write a formula that used the trend line equation and assume it was correct. you need to be careful if you use the equation to predict data, especially with higher order polynomials. and have Excel put the equation for the line on the graph …. … experiment with the options to find something that is a reasonable fit …. The bottom line is that if you use Excel’s trend line feature to apply a trend line to a set of data in a graph …. If you have Kutools for Excel installed, you can apply its Operation feature to modify multiple entered formulas in bulk, such as set rounding in Excel.I realized something the other day while doing a curve fit in Excel that I figured was worth sharing. Kutools for Excel- Includes more than 300 handy tools for Excel. MORE DECIMALS IN EXCEL TRENDLINE FULLįull feature free trial 30-day, no credit card required! Get It Nowġ.

Select the formula cells whose decimal places you need to limit, and click Kutools > More > Operation.Ģ. In the Operation Tools dialog, please click to highlight Rounding in the Operation list box, type the number of decimal places in the Operand section, and check the Create formulas option. Now you will see the all formula cells are rounded to the specified decimal places in bulk. Merge Cells/Rows/Columns without losing Data Split Cells Content Combine Duplicate Rows/Columns.Super Formula Bar (easily edit multiple lines of text and formula) Reading Layout (easily read and edit large numbers of cells) Paste to Filtered Range.Reuse: Quickly insert complex formulas, charts and anything that you have used before Encrypt Cells with password Create Mailing List and send emails.The Best Office Productivity Tools Kutools for Excel Solves Most of Your Problems, and Increases Your Productivity by 80% See screenshot:Įasily limit number of decimal places in multiple formulas in Excel Tip: If you need to round down or round up multiple formula cells in bulk, you can set as follows: in the Operation Tools dialog, (1) select Custom in the Operation list box, (2) type =ROUNDUP(?, 2) or =ROUNDDOWN(?, 2) in the Custom section, and (3) check the Create formulas option.

Excel trendline equation more decimals