Determinant
Write the values of  a1, a2, a3,  b1, b2, b3,  c1, c2, c3,  in the boxes.  Then press the button.

a1 = a2 = a3 =
b1 = b2 = b3 =
c1 = c2 = c3 =

    det =

I you have to put a coefficient using some function symbol (for example 1/5, √2), put it in a numerical form (0.2, 1.4142135623731), for example using this