3.46 FAQ-279 What is the precision of results from analysis operations?

Last Update: 8/25/2025

Origin performs all internal calculations using full numerical precision. However, for readability and presentation purposes, the values displayed in reports may be rounded.

In certain cases, round-off errors may occur if numerical precision is insufficient. This is especially relevant when using fitting functions with high power terms, where the magnitude of the high power terms can become large. In such cases, inadequate precision may lead to significant round-off errors in the computed results.

Origin performs all internal calculations without rounding. However, if you copy parameter values for use in external or independent calculations, ensure that you retain their full precision to maintain accuracy.

To copy report values with full precision, use the keyboard shortcut Ctrl + Alt + C.

To display report values with higher precision, you may use one of the following methods:

  1. Specify the Digits in Report setting for Decimal Digits and Significant Digits on the Numeric Format tab of the Options dialog, opened by selecting Preference: Options.

or

  1. In result sheet, right click on the table node or any cell in the table and choose Digits... from the context menu


If the report table was output to the Results Log, it will always show full precision, 14 decimal places.


Keywords:significant, digits, decimal, analysis results, report sheet
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