User manual - ALGEBRA_FX2.0

5-11-5
Àíàëèç ôóíêöèé
Ýêðàí ïðåäñòàâëåíèÿ ðåçóëüòàòîâ
n Îêðóãëåíèå çíà÷åíèé êîîðäèíàò
Îïèñàíèå
Ýòà ôóíêöèÿ ïîçâîëÿåò îêðóãëÿòü çíà÷åíèÿ êîîðäèíàò, ïîëó÷àåìûå â ðåçóëüòàòå èñïîëüçîâàíèÿ ôóíêöèè ñëå-
æåíèÿ.
Ïîäãîòîâêà
1. Âûïîëíèòå ïîñòðîåíèå ãðàôèêà.
Âûïîëíåíèå
2. Íàæìèòå êëàâèøè (ZOOM) (Rnd). Ïðè ýòîì óñòàíîâêè ïàðàìåòðîâ ãðàôèêà â îêíå ïðîñìîòðà
àâòîìàòè÷åñêè èçìåíÿòñÿ â ñîîòâåòñòâèè ñ îêðóãëåííûìè çíà÷åíèÿìè.
3. Íàæìèòå êëàâèøó (TRACE), à çàòåì ïðè ïîìîùè êëàâèø óïðàâëåíèÿ êóðñîðîì ïåðåìåùàéòå óêà-
çàòåëü âäîëü ãðàôèêà. Ïîÿâëÿþùèåñÿ ïîñëå ýòîãî çíà÷åíèÿ êîîðäèíàò áóäóò îêðóãëåííûìè.
Ïðèìåð Èñïîëüçóéòå ôóíêöèþ îêðóãëåíèÿ çíà÷åíèé êîîðäèíàò è âûâåäèòå íà äèñïëåé êîîðäèíà-
òû òî÷åê, íàõîäÿùèõñÿ â îêðåñòíîñòÿõ òî÷åê ïåðåñå÷åíèÿ äâóõ ãðàôèêîâ óêàçàííûõ íèæå
ôóíêöèé.
Y1 = x
2
 3, Y2 = -x + 2
Óñòàíîâèòå ñëåäóþùèå ïàðàìåòðû ãðàôèêà:
Xmin = -5 Xmax = 5 Xscale = 1
Ymin = -10 Ymax = 10 Yscale = 2