The winning Arkansas Cash 4 numbers for February 21, 2011 were: midday 6-8-9-9; evening 3-6-6-0.
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 | Evening | 3-6-6-0 | 15 | 6 |
| Feb 21, 2011 | Midday | 6-8-9-9 | 32 | 5 |
| Feb 20, 2011 | Evening | 9-2-4-1 | 16 | 7 |
| Feb 19, 2011 | Evening | 7-0-5-2 | 14 | 5 |
| Feb 19, 2011 | Midday | 3-4-5-8 | 20 | 2 |
| Feb 18, 2011 | Evening | 1-6-2-5 | 14 | 5 |
| Feb 18, 2011 | Midday | 6-4-8-7 | 25 | 7 |
| Feb 17, 2011 | Evening | 4-4-6-8 | 22 | 4 |
| Feb 17, 2011 | Midday | 3-3-2-2 | 10 | 1 |
| Feb 16, 2011 | Evening | 9-1-8-1 | 19 | 1 |
| Feb 16, 2011 | Midday | 1-8-4-8 | 21 | 3 |
| Feb 15, 2011 | Evening | 2-8-1-7 | 18 | 9 |
| Feb 15, 2011 | Midday | 1-6-4-0 | 11 | 2 |