Lommeregnere

Hjælp til Texas TI-83
http://education.ti.com/educationportal/sites/US/productDetail/us_ti83p.html
http://education.ti.com/educationportal/downloadcenter/SoftwareDetail.do?website=US&tabId=2&appId=6124&fileLangId=DA
http://www.prenhall.com/divisions/esm/app/graphing/ti83

Hjælp til Texas TI-84 (TI-83)
http://education.ti.com/downloads/guidebooks/
graphing/84p/TI84PlusGuidebook_Part2_DA.pdf

http://hotmath.com/graphing_calculators/ti84_movie_index.html (Flash movies)