A gdc is required for paper 2 but calculators with symbolic manipulation features eg ti 89 are not allowed calculator notation the mathematics sl guide says students must always use correct mathematical notation not calculator notation do not accept final answers written using calculator notation however do not penalize the use of. Paper 2 tz1 markscheme pdf google docs mathematics sl paper 2 tz1 markscheme cyteen de may 2015 mathematics standard level paper 2 start sd34 bc ca may 2016 mathematical studies standard level paper 1 international baccalaureate ib past papers with mark schemes mathematics sl paper 2 tz1 markscheme cyteen de