T42b Misc · Numbers passes review

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

TASKS.md

@@ -141,7 +141,7 @@ Per-component lines live in `tasks/`. Tags there:
 - [x] T41b Maps · Layers — `tasks/ch31-43.md`
 - [x] T41c Maps · World — `tasks/ch31-43.md`
 - [x] T42a Misc · Time — `tasks/ch31-43.md`
-- [ ] T42b Misc · Numbers — `tasks/ch31-43.md`
+- [x] T42b Misc · Numbers — `tasks/ch31-43.md`
 - [ ] T42c Misc · Codes and checks — `tasks/ch31-43.md`
 - [ ] T42d Misc · Asking and learning — `tasks/ch31-43.md`
 - [ ] T42e Misc · Terms and notices — `tasks/ch31-43.md`
@@ -450,3 +450,5 @@ Per-component lines live in `tasks/`. Tags there:
 | T41c | 2 | PASS | |
 | T42a | 1 | FAIL | Enter on Reset disabled it and stranded focus at the root; the tickers' wakes and the lap rows had no test that could see them |
 | T42a | 2 | PASS | |
+| T42b | 1 | FAIL | a result went on as its twelve-digit text, so 1 ÷ 3 = × 3 = read 0.999999999999; a long reading hid digits at 280px; Equals on a dangling operator said the formula ended early; Control, the = key and a point after a result untested |
+| T42b | 2 | PASS | |