---------
\/ 8 0 1 2 3 = ? (say to 2 decimal places)
2 8 3 . 0 6 <- x
-------------------
\/ 0 8 0 1 2 3.0 0 0 0 <- n
2 4
---
4 0 1
48 3 8 4
-----
1 7 2 3
563 1 6 8 9
-------
3 4 0 0
5660
-------
3 4 0 0 0 0
56606 3 3 9 6 3 6
-----------
3 6 4 <- r
... so n = x*x + 0.0364
------------------
\/ 1 1 0 1 0 1 1 0 1 = ?
1 0 1 0 0 <- x
--------------------
\/ 0 1 1 0 1 0 1 1 0 1 <- n
1 1
---
0 1 0
100
-----
1 0 1 0
1001 1 0 0 1
-------
1 1 1
10100
-----
1 1 1 0 1
101000
---------
1 1 1 0 1 <- r
... so n = x*x + r