Fun

Resources for learning Chinese and Japanese:

• fghi: Fiendish Grids of Hanzi by Ice (the Hanzigong grid was moved here)
• Vocab-Kanji: Explore Japanese characters (kanji) and their vocabulary

A collection of interesting math problems:

• Tea Story
• Ruler and "Compass"
• Lunatic Wave "Complex Number Hypnosis (Fibonacci Rabbit)"
• The Legendary Todai Entrance Exam Problem
• Melancholia Ep. 1: CALCULUS Club Placement Test
• Melancholia Ep. 2: n Random Points In a Disk Forming Convex n-Gon

My sister has been mailing me a birthday card every year, so I made a few for her:

• 23rd Birthday (Thai language required)
• 24th Birthday
• 25th Birthday
• 26th Birthday (Thai language required)
• 27th Birthday (Thai language required)
• 28th Birthday (installation required)
• 29th Birthday (Thai language required)
• 31st Birthday (Thai language required)

Other fun stuff:

• Double Crossword: a crossword that can be filled in either English or Thai! (Solutions)
• พิมพ์ไทยยาก Shift: a simple Thai typing game
• Pencil puzzles