Hi, I'm Danish, and I'm a high school maths teacher.

Some things I've started or made several contributions to:

• Cross and circle game
• Daldøs
• Non-standard positional numeral system
• Pounce!
• Racetrack (game)
• Sáhkku
• Tâb
• World population estimates

• Abacus#School abacus
• Apples and oranges#Variants (Danish)
• Conditional probability#An example
• Danish language#Numerals
• Fictitious entry#Reference works (Æblerød)
• Pascal's triangle#History (Yang Hui image)
• Petronius#In fiction (fake quote on reorganization)
• World population#Milestones (doubling sequences)
• XEDIT#PC and Unix adaptations (Kedit)

• Category:Cross and Circle games
• Category:Non-standard positional numeral systems
• Category:Positional numeral systems

• Template:Numeral systems