my homework

a cell is part of a collum e.g. B11, G6

a collum is along the rows and going down e.g. a,b,c-1,2,3.

a cell refrance is the name of the cell. 

a model is a small version of the real thing

a row is going across the top e.g. A,B,C

 

Posterous theme by Cory Watilo