deletions | additions       diff --git a/section_Fractions_c_equiv_confluency__.tex b/section_Fractions_c_equiv_confluency__.tex  index 662563e..0f63fc5 100644  --- a/section_Fractions_c_equiv_confluency__.tex  +++ b/section_Fractions_c_equiv_confluency__.tex 
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\section*{Fractions}  $c \equiv $ confluency $ = \frac{N A_c}{L^2}$ a}{L^2}$  $\quad a_0 \equiv $ mean cellular area