1. age = t ± x | y | z

   where:

   t: |
   x: |
   y: |
   z: |

2. (234U/238U)0 (230Th/232Th)0x intercept = i ± x | y | z

   where:

   i: |
   x: |
   y: |
   z: |

3. MSWD = x, p(χ2) = y

   where:

   x: |
   y: |

4. dispersion = ω + u /- l

   where:

   ω: |
   u: |
   l: |

Ludwig, K.R., 2003. Mathematical–statistical treatment of data and errors for 230 Th/U geochronology. Reviews in Mineralogy and Geochemistry, 52(1), pp.631-656.