You should bring your calculator to the exam. A list of permitted calculators are given here (in Norwegian only).
The list of formulas for STK3100/STK4100 will be provided as an appendix to the exam paper.
Unlike previous years you are not allowed to bring the collection of formulas for STK1100/STK1110 or STK2120. Neither are these made available at the exam, this in accordance with the new rules for examination support material.