When it is viewed directly, links using variables may appear broken; do not replace these with hardcoded page names or URLs.
{{precision1}} is very similar to {{precision}}, but the output range is only 0 to 6. Thus the functinality of {{precision1}} is a subset of the functionality of {{precision}}, but the advantage is that the template code is much shorter. It is useful when one has to be cautious of template pre-expand limits.