Nekolik tipu, piste nazory, dekuji.
http://ishop.b2comp.cz/main.aspx?CLS=PRODUCT&PRO_I D=-335778
http://www.casioczech.cz/kancelarska-technika/kalk ulatory/skolni-kalkulatory/graficke/fx-9750-gii-b- casio-%5B10002323%5D?ItemIdx=7
http://www.e-kalkulacky.cz/index.php?option=com_vi rtuemart&category_id=5&flypage=flypage-ask.tpl&man ufacturer_id=2&page=shop.product_details&product_i d=335&Itemid=4&vmcchk=1&Itemid=4
HP http://www.e-kalkulacky.cz/index.php?option=com_vi rtuemart&category_id=5&flypage=flypage-ask.tpl&man ufacturer_id=2&page=shop.product_details&product_i d=342&Itemid=4&vmcchk=1&Itemid=4
http://www.e-kalkulacky.cz/index.php?option=com_vi rtuemart&category_id=6&flypage=flypage-ask.tpl&man ufacturer_id=4&page=shop.product_details&product_i d=4&Itemid=4&vmcchk=1&Itemid=4
Texas instruments:
http://ishop.b2comp.cz/ti-83-plus/product.aspx?id= -335741
http://ishop.b2comp.cz/ti-84-plus-usb-ti-gl-/produ ct.aspx?id=-335742