It would be a good idea to get some books that have been written...

It would be a good idea to get some books that have been written by W D Gann. Very good

With reference to the square of 144 you can do as follows

cents
0.144
0.288
0.432
0.576
0.72
0.864
1.008
1.152 ABS Low
1.296
1.44
and you keep adding .144
Dollars
1.44
2.88
4.32 and so on
index
144
288
432 and so on

If you draw horizontal lines on your charts you will see that stocks commodities and indicies use these levels for support and resistance.

You should also look at 50% retracement of ranges just this alone will make you a fortune in the market.

Good luck!