Thousands separator

Divide large number into groups of three digits

This option makes CCCalc to print large numbers grouping theirs digits by three in group. This feature simplifies reading: you may easily see weather it is about thousands or about billions already.
Next two settings allows you to choose separation character.

Use standard thousands separator

If this option is selected then CCCalc will use standard Windows' symbol that is set in Regional Settings as thousands separator.

Use this separator symbol

If this option is selected, you may type thousands separation symbol to the input field to the right. Only single character is allowed.

Paper ruling

By default the CCCalc's "paper" is checked. Use these settings to choose lined paper or no ruling at all.