Maths between dollars is inline: $\sum_{k=1}^n k = \frac{n(n+1)}{2}$.
Maths between slash-square-brackets is display: \[\sum_{k=1}^n k = \frac{n(n+1)}{2}\]
cp's mathem-o-blog
aka CheckMyWorking.com
Interesting Esoterica- Cyclic twill-woven objects
- Division of labor in child care: A game-theoretic approach
- Ptak Science Books | A Do-It-Yourself Paper Digital Computer, 1959.
- Familial sinistrals avoid exact numbers.
- Circuitry in 3D chess
- The urinal problem
- A Smaller Sleeping Bag For A Baby Snake
- Constructing the Tits ovoid from an elliptic quadric
- Das 2: 3-Ei-ein praktikables Eimodell
- Problems to sharpen the young