Pour le calcul du PGCD:
Output(2,6,"------" Output(6,6,"------" Output(3,5,"! MADE !" Output(4,5,"! BY !" Output(5,5,"! NICO !" Pause ClrHome Disp "PGCD" Output(3,8,"A") Output(4,8,"-") Output(5,8,"B") Pause ClrHome Prompt A Prompt B A→Y B→Z ClrHome Output(3,8,Y) Output(4,7,"---") Output(5,8,Z) abs(A)→A abs(B)→B If B Goto 0 A→C B→A C→B Lbl 0 -(int(A/B)*B-A)→C If C=0 Goto 1 B→A C→B Goto 0 Lbl 1 Output(6,2,"PGCD:" Output(6,7,B) Pause ClrHome If Z/B=1 Goto 9 Output(2,3,"RESULTAT" Output(4,8,Y/B) Output(5,7,"---" Output(6,8,Z/B) Lbl 9 Output(2,3,"RESULTAT:") Output(4,8,Y/B) Z/B→K Y/B→L Pause
Pour les équations du second degrès, avec calcul de delta, des solutions, de la somme et du produit des équations, du sommet de la représentation graphique, et enfin le graphique:
Output(2,6,"------") 
Output(6,6,"------") 
Output(3,5,"! MADE !" 
Output(4,5,"!  BY  !" 
Output(5,5,"! NICO !" 
Pause 
ClrHome 
Disp "AX²+BX+C=0" 
Input "A =",A 
Input "B =",B 
Input "C =",C 
ClrHome 
If A=0 
Then 
Output(3,3,"CE N EST PAS") 
Output(5,3,"DU SECOND DEGRE") 
Pause 
Goto C 
End 
B²-4AC→D 
Output(1,1,"DELTA =") 
Output(1,9,D) 
If D>0 
Then 
Output(2,1,"2 SOLUTIONS") 
(-B+√(D))/(2*A)→F 
(-B-√(D))/(2*A)→G 
Output(8,1,"SOIT...") 
Pause 
ClrHome 
Disp "S1 =",F►Frac 
Disp "S2 =",G►Frac 
Pause 
ClrHome 
Disp "X1+X2 =",(-B/A)►Frac,"X1*X2 =",C/A►Frac 
End 
If D<0 
Then 
Output(2,1,"AUCUNE SOLUTION") 
Pause 
Goto C 
End 
If D=0 
Then 
Output(2,1,"1 SOLUTION") 
(-B/(2A))→E 
Output(4,1,"S=") 
Output(4,3,-B) 
Output(4,6,"/") 
Output(4,7,2A) 
Output(6,1,"SOIT...") 
Pause 
ClrHome 
Disp "S = ",E►Frac 
End 
Lbl E 
Pause 
ClrHome 
Menu("GRAPHIQUE","OUI",D,"NON",C) 
Lbl D 
Disp "XS=",(-B/2A)►Frac 
Disp "YS=",(-D/4A)►Frac 
Pause 
AxesOn 
StoreGD5 
"AX²+BX+C"→Y 
ZStanda 
DispGra 
(-B/2A)→P 
(-(B²-4AC)/4A)→Q 
Pause 
Text(6,0,"X =",P 
Text(12,0,"Y =",Q 
Pause 
RecallG5 
Lbl C 
ClrHome
voilà, jespère que çapeut vous servir! les conseils sont les bienvenu bien sur..
edit2: merci, je n'avais pas fait attention, c'est rectifié.. encore rectifié..