The winning Texas Daily 4 numbers for February 21, 2011 were: day 6-3-6-2; night 3-6-1-4.
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).
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 21, 2011 | Night | 3-6-1-4 | 14 | 5 |
| Feb 21, 2011 | Day | 6-3-6-2 | 17 | 8 |
| Feb 19, 2011 | Night | 0-6-6-5 | 17 | 8 |
| Feb 19, 2011 | Day | 1-4-3-3 | 11 | 2 |
| Feb 18, 2011 | Night | 1-4-7-5 | 17 | 8 |
| Feb 18, 2011 | Day | 8-6-7-4 | 25 | 7 |
| Feb 17, 2011 | Night | 0-1-8-3 | 12 | 3 |
| Feb 17, 2011 | Day | 1-8-9-0 | 18 | 9 |
| Feb 16, 2011 | Night | 1-7-2-8 | 18 | 9 |
| Feb 16, 2011 | Day | 8-6-9-0 | 23 | 5 |
| Feb 15, 2011 | Night | 3-6-8-7 | 24 | 6 |
| Feb 15, 2011 | Day | 0-7-2-0 | 9 | 9 |