More commands:
- \case (case-command with arbitrary number of cases)
- \abs (supports nested absolute values)
- \norm (like abs, but with two pipes)
- Closed, Open and half open intervals with two notations:
  - \openleft
  - \openright
  - \openboth
  - \openLeft
  - \openRight
  - \openBoth
  - \closed
- \Sum -  Displaystyle sum (Sigma)
- \Prod - Displaystyle product (Pi)
- \Int - Displaystyle integral
- \Intsubst - Displaystyle integral substitution (Finnish notation)

Fix:
- \deg
  - \deg did return non-working "^\circ " as latex. Latex representation
    changed to "\deg "