The winning Delaware Play 4 numbers for February 6, 1988 were: night 5-6-4-7.
Sum is the digits added together (5+5+0 = 10). Root sum keeps adding until one digit is left (10 → 1+0 = 1) — many regular players track it in their notebooks. Odd/Even marks each digit O or E (5-5-0 = OOE). High/Low marks 0–4 as L and 5–9 as H (5-5-0 = HHL).
| Date | Draw | Numbers | Sum | Root |
|---|---|---|---|---|
| Feb 6, 1988 | Night | 5-6-4-7 | 22 | 4 |
| Feb 5, 1988 | Night | 2-3-7-8 | 20 | 2 |
| Feb 4, 1988 | Night | 4-1-0-9 | 14 | 5 |
| Feb 3, 1988 | Night | 5-9-2-3 | 19 | 1 |
| Feb 2, 1988 | Night | 7-8-5-9 | 29 | 2 |
| Feb 1, 1988 | Night | 1-6-5-5 | 17 | 8 |