TảiCac ban hoc sinh than men,
Chuong trinh nho nay hy vong se giup cac ban chut it trong phan kiem chung cac do thi ham so trong phan bai tap KHAO SAT HAM SO.
Chuong trinh chi ve do thi cho ham don bien, doi so luon luon la X
Khi ve do thi ban nen chon gioi han khung nhin trong Option.
Cach su dung:
Cac ban go bieu thuc cua do thi roi nhan Enter hoac click nut Draw!
Bieu thuc bao gom: cac toan hang, toan tu, hang so va ham so
Toan tu: + , - , * , / va ^ (cach viet luy thua)
Hang so: E , PI
Ham so:
* bao gom cac ham so luong giac: sin, cos, tg, cotg
* cac ham so mu, logarithm: exp, lg, ln.
* cac ham khac: abs lay tri tuyet doi, sqr lay can bac 2. Neu muon lay can bac n cac ban chuyen sang dang x^(1/n).
trong cac ham so tren, chi co ham so LG la phai co 2 tham so, cac ban co the viet nhu sau:lg(2, x) nghia la logarithm co so 2 cua x. Cac ham so khac chi co 1 tham so.
Vi du:
x^2 + 2*x - 4
sin(x) + pi*exp(x^2)
lg(2, x) + e^3
Do thoi gian han che, chuong trinh chi don gian nhu vay. Mong chuc cac ban hoc tap tot de dat duoc nhung ket qua tot trong cac ky thi.
Than men.
(Dẫn lời tác jả)