CAS and other digital tools The use at Norwegian exams Gunnar Simonsen Per Gunnar sterlie Bergen Trondheim A brief history A timeline 1994: The graphic calculator became mandatory Exam where the graphic calculator was required CAS 1997: The work with an CAS-exam started Experiments with the use of TI-89 An exam in the high level mathematic subjects where CAS was allowed two exams All ICT tools graphic calculator one exam 2 h without digital tools 3 h graphic calculator one exams 2 h without digital tools 3 h all digital tools CAS not required one exams 3 h without digital tools 2 h CAS required 2015 Some examples 1T b) use CAS to solve: Find the radius, r, that makes the largest area of the window when the perimeter is 8.0 m R2 Use CAS to prove that the area between the curve and the straight line is solemnly dependent on a and the distance between p and q. Are we prepared? Some comments on TI-Nspire values? size? font? Thank you!