Template:EquationRef

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The pair of templates Template:Tl and Template:Tl is used for labeling equations in text.

For example, :{{EquationRef|Eq. 1}} <math>x^2+x+1=0</math> results in:

{{#if: |{{{2}}}|Eq. 1}} $ x^2+x+1=0 $

Here, the identifier "Eq. 1" is a label which can be later referred to with a call to Template:Tl. That is, {{EquationNote|Eq. 1}} produces a link Template:EquationNote to this equation.

Similarly, :{{EquationRef|2|Eq. 2:}} <math>x^2-2x+1=0</math> results in

{{#if: Eq. 2:|Eq. 2:|2}} $ x^2-2x+1=0 $

which can be referred to by {{EquationNote|2}} (i.e., Template:EquationNote) or even {{EquationNote|2|Equation 2}} (i.e., Template:EquationNote).

This template can be used together with Template:Tl to produce nicely formatted numbered equations. For instance:

  • {{NumBlk|::|<math>x^2+x+1=0</math>|{{EquationRef|3}}}} gives

Template:NumBlk

which may then be referred to by {{EquationNote|3}} (i.e., Template:EquationNote) or even {{EquationNote|3|Eq. 3}} (i.e., Template:EquationNote).
  • {{NumBlk|::|<math>x^2+x+1=0</math>|{{EquationRef|4|Eq.4}}}} gives

Template:NumBlk

which may be referred to by {{EquationNote|4}} (i.e., Template:EquationNote).
  • {{NumBlk|::|<math>x^2+x+1=0</math>|{{EquationRef|Eq.5}}}} gives

Template:NumBlk

which may be referred to by {{EquationNote|Eq.5}} (i.e., Template:EquationNote).