Using a spreadsheet tool of a graphing calculator

HVORECKÝ, Jozef - KOREŇOVÁ, Lilla. Using a spreadsheet tool of a graphing calculator. In Proceedings of the 8th International Conference on Technology in Mathematics Teaching x, 46 s. + 1 CD-ROM. ISBN 978-80-7041-285-5 (brož.) International Conference on Technology in Mathematics Teaching. Hradec Králové : Gaudeamus, 2007, s. 40.