Multiplication Table

Type: tool

A multiplication table allows us to multiply $A\cdot B$ in a visual manner.

\[
  A=a_1+a_2,
  \qquad
  B=b_1+b_2.
\]

$\times$ | $a_1$ | $a_2$ 

$b_1$ | $a_1b_1$ | $a_2b_1$ 

$b_2$ | $a_1b_2$ | $a_2b_2$ 

This is simply FOIL in a visual manner.