- {{Valid}} : number validity checking (for parameters 1, 2, 3, e : value, and uncertainties, base-10 exponent)
- {{FormattingError}} : for reporting inconsistent parameters
- {{Val/delimitnum}} : for formatting a decimal number with delimiters between groups of digits
- {{Su}} : for formatting exponents, or two-values incertainty one below the other (monospaced : currently not printable to PDF)
- {{±}} : for positive <sup> and negative <sub>
- {{Val/units}} : for formatting unit names (contents of parameters u or up)
- {{Val/unitswithlink}} : for formatting unit names with links (contents of parameters ul or upl)