Field notes

Notes from the table after class.

These pages record habits taught in the room: classroom arithmetic and argument. Orders stay with your own broker.

A paper chart with a wide blank interval between two clusters of unlabeled ink curves

9 August 2026

The empty space after a Bangkok holiday

A gap after a long closure is still a distance. The sheet does not reset because the exchange was dark.

A closed chart folder beside an open notebook in a dim velvet study

21 May 2026

When the week is already red, change the sheet

Once the weekly number is spent, the next tidy chart does not earn an exception. The sheet changes; the urge does not get a vote.

Two printed charts side by side on a desk, with different pencil marks and a small brass ruler

2 March 2026

A wider invalidation asks for a smaller size

If you will lose 2,000 baht at the invalidation, a four-baht distance and a one-baht distance cannot share a quantity.

A pencil resting across an unlabeled chart where a single straight line marks a level

18 January 2026

Put the invalidation on the page before you admire the pattern

The first mark on a chart in this room is the price that would prove the idea wrong. Admiration of the pattern comes after that line exists.