| Name / Title | Added | Expires | Hits | Comments | Syntax | |
|---|---|---|---|---|---|---|
| (m!+n!)/(m+n)! | Mar 17th, 2015 | Never | 216 | 0 | None | - |
| a.a(a+1).....(a+n-1) | Mar 17th, 2015 | Never | 207 | 0 | None | - |
| Bai59: hay kiem tra so nguyen duong n co phai so doi xung ha | Oct 28th, 2014 | Never | 155 | 0 | None | - |
| Bai33: S(n)= can(2+ can(2+ can(2 + ....can(2+ can(2))))) co | Oct 13th, 2014 | Never | 207 | 0 | None | - |
| Bai75: kiem tra so nguyen 4 byte co dang 2^k hay khong ? | Oct 9th, 2014 | Never | 198 | 0 | None | - |
| Bai60: hay kiem tra cac chu so cua so nguyen duong n co tang | Oct 8th, 2014 | Never | 152 | 0 | None | - |
| Bai55: hay dem so luong chu so dau tien cua so nguyen duong. | Oct 8th, 2014 | Never | 184 | 0 | None | - |
| Bai30: cho so nguyen duong n. kiem tra so nguyen duong n co | Oct 7th, 2014 | Never | 150 | 0 | None | - |
| Bai19: S(n)= 1 + x + x^3/3! + x^5/5! + ... + x^(2n+)/(2n+1)! | Oct 7th, 2014 | Never | 195 | 0 | None | - |
| Bai06: S(n)= 1/1*2 + 1/2*3 + ... + 1/(n*(n+1)). | Oct 6th, 2014 | Never | 243 | 0 | None | - |
