hp48g20230307/D.01/D.01/MAT/kro


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%%HP: T(1)A(D)F(,);
«
"S=-D/(2A),-E/(2A)"
1 DISP
"K: A=C B=0 D^2+E^2>4AF"
2 DISP
"K: xx+yy+ax+by+c=0"
3 DISP
"PP: k1*k2=-1" 4
DISP
"K: y=±ƒ(rr-xx)" 5
DISP
"TK: yy1+xx1=rr   nn="
6 DISP
"rr(1+kk) x=±kr/ƒ(1+kk)"
7 DISP 3 FREEZE
»