| math tools |
| integrator |
(EN) |
A useful tool for integration form Mathematica |
| integer sequences |
(EN) |
Sloane's online encyclopedia of integer sequences |
| inverse calculator |
(EN) |
Inverse symbolic calculator for numbers |
| detexify |
(EN) |
LaTeX handwritten symbol recognition |
|
| comic strips |
| smbc |
(EN) |
One of the best comic strips |
| xkcd |
(EN) |
A webcomic of romance, sarcasm, math, and language |
| phdcomics |
(EN) |
Life (or the lack thereof) in academia |
| dilbert |
(EN) |
Life (or the lack thereof) in the real world |
| abstruse goose |
(EN) |
Strip cartoon about math, science and geek culture |
| MaFian liFe |
(CZ) |
Veľmi občasný, no výstižný matfyzácky komix |
| studentův komiks |
(CZ) |
Komiks zo študentského života na ČVUT |
|
| maps |
| google maps |
(EN) |
User-friendly maps of the whole world |
| topografické mapy |
(CZ) |
A large collection of small-scale and hiking maps |
| hiking.sk |
(SK) |
Hiking map of Slovakia |
| amap.at |
(DE) |
Hiking map of Austria |
| map.geo.admin.ch |
(DE) |
Hiking map of Switzerland |
| ut.no |
(NO) |
Hiking map of Norway |
|
| programming contests |
| ACM ICPC |
(EN) |
ACM International Collegiate Programming Contest [yearly, team contest] |
| topcoder |
(EN) |
Online algorithm programming contests [all year round] |
| google code jam |
(EN) |
Tournament in algorithm programming powered by Google [summer] |
| IPSC |
(EN) |
Yet another programming contest, a bit non-traditional [each May] |
|
| math contests |
| IMC |
(EN) |
International Mathematics Competition [each summer] |
| jarník |
(EN) |
Vojtěch Jarník Annual International Mathematics Competition [each April] |