diff --git a/DEV1.1/TP07/arctique.c b/DEV1.1/TP07/arctique.c
new file mode 100644
index 0000000..49d8f47
--- /dev/null
+++ b/DEV1.1/TP07/arctique.c
@@ -0,0 +1,14 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+
+int main(void){
+	double r;
+	double angle;
+	printf("Rentrez les coordonée du point(espace entre les valeurs:\n");
+	scanf("%lf %lf",&r,&angle);
+	printf("x=%lf\n",r*cos(angle));
+	printf("y=%lf\n",r*sin(angle));
+
+	return EXIT_SUCCESS;
+}
\ No newline at end of file
diff --git a/DEV1.1/TP07/distance.c b/DEV1.1/TP07/distance.c
new file mode 100644
index 0000000..9854e6c
--- /dev/null
+++ b/DEV1.1/TP07/distance.c
@@ -0,0 +1,21 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+
+int main(void){
+	double x1;
+	double x2;
+	double y1;
+	double y2;
+	printf("Rentrez les coordonée du premier point(espace entre les abscisse et ordonnée):\n");
+	scanf("%lf %lf",&x1,&y1);
+	printf("\n");
+	getchar();
+	printf("Rentrez les coordonée du second point(espace entre les abscisse et ordonnée):\n");
+	scanf("%lf %lf",&x2,&y2);
+	printf("\n");
+	printf("distance : %lf\n", sqrt(pow(x2-x1,2)+pow(y2-y1,2)));
+
+
+	return EXIT_SUCCESS;
+}
\ No newline at end of file
diff --git a/DEV1.1/TP07/formules.c b/DEV1.1/TP07/formules.c
new file mode 100644
index 0000000..5e10098
--- /dev/null
+++ b/DEV1.1/TP07/formules.c
@@ -0,0 +1,14 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+
+int main(void){
+	printf("%lf\n",sqrt(fabs(log(0.5))));
+	printf("%lf\n",sin(M_PI/6));
+	printf("%lf\n",atan(pow(13,2)));
+	printf("%lf\n",pow(exp(-1),4) );
+	printf("%lf\n",log(-3) );
+	printf("%lf\n",pow(sqrt(2),2));
+
+	return EXIT_SUCCESS;
+}
\ No newline at end of file
diff --git a/DEV1.1/TP07/horizontal.c b/DEV1.1/TP07/horizontal.c
new file mode 100644
index 0000000..55e91e7
--- /dev/null
+++ b/DEV1.1/TP07/horizontal.c
@@ -0,0 +1,71 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(void){
+	
+	int tab1[2][5];
+	int i;
+	int j;
+	for(i=0;i<2;i++){
+		for(j=1;j<=5;j++){
+			tab1[i][j-1]=j;
+		}
+	}
+
+	int tab2[3][5];
+	int nb=1;
+	for(i=0;i<3;i++){
+		for(j=0;j<5;j++){
+			tab2[i][j]=nb;
+			nb++;
+		}
+	}
+	
+	int tab3[5][5]={0};
+	nb=0;
+	for(i=0;i<5;i++){
+		for(j=1;j<=nb;j++){
+			tab3[i][j-1]=j;
+		}
+		nb++;
+	}
+
+	printf("%10s %17s %17s\n", "t1","t2","t3");
+	for(i=0;i<5;i++){
+		if(i<2){
+			for(j=0;j<5;j++){
+				printf("%3d",tab1[i][j]);
+			}
+			printf("   ");
+			for(j=0;j<5;j++){
+				printf("%3d",tab2[i][j]);
+			}
+			printf("   ");
+			for(j=0;j<5;j++){
+				printf("%3d",tab3[i][j]);
+			}
+			printf("\n");	
+		}
+		if(i==2){
+			printf("                  ");
+			for(j=0;j<5;j++){
+				printf("%3d",tab2[i][j]);
+			}
+			printf("   ");
+			for(j=0;j<5;j++){
+				printf("%3d",tab3[i][j]);
+			}
+			printf("\n");	
+		}
+		if(i>2){
+			printf("                                    ");
+			for(j=0;j<5;j++){
+				printf("%3d",tab3[i][j]);
+			}
+			printf("\n");	
+		}
+		
+	}
+
+	return EXIT_SUCCESS;
+}
\ No newline at end of file
diff --git a/DEV1.1/TP07/progression.c b/DEV1.1/TP07/progression.c
new file mode 100644
index 0000000..157cf13
--- /dev/null
+++ b/DEV1.1/TP07/progression.c
@@ -0,0 +1,56 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(void){
+	/*
+	int tab[2][5];
+	int i;
+	int j;
+	for(i=0;i<2;i++){
+		for(j=1;j<=5;j++){
+			tab[i][j-1]=j;
+		}
+	}
+	for(i=0;i<2;i++){
+		for(j=0;j<5;j++){
+			printf("%d ",tab[i][j]);
+		}
+		printf("\n");
+	}
+
+	int tab[3][5];
+	int i;
+	int j;
+	int nb=1;
+	for(i=0;i<3;i++){
+		for(j=0;j<5;j++){
+			tab[i][j]=nb;
+			nb++;
+		}
+	}
+	for(i=0;i<3;i++){
+		for(j=0;j<5;j++){
+			printf("%d ",tab[i][j]);
+		}
+		printf("\n");
+	}
+	*/
+	int tab[5][5]={0};
+	int i;
+	int j;
+	int nb=0;
+	for(i=0;i<5;i++){
+		for(j=1;j<=nb;j++){
+			tab[i][j-1]=j;
+		}
+		nb++;
+	}
+	for(i=0;i<5;i++){
+		for(j=0;j<5;j++){
+			printf("%d ",tab[i][j]);
+		}
+		printf("\n");
+	}
+
+	return EXIT_SUCCESS;
+}
\ No newline at end of file
diff --git a/DEV1.1/TP07/triangle.c b/DEV1.1/TP07/triangle.c
new file mode 100644
index 0000000..84c0fcc
--- /dev/null
+++ b/DEV1.1/TP07/triangle.c
@@ -0,0 +1,37 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(void){
+	int tab1[30][30]={0};
+	int i;
+	int j;
+	int nb=1;
+	for(i=0;i<30;i++){
+		for(j=0;j<nb;j++){
+			if(j>0&&i>0){
+				tab1[i][j]=tab1[i-1][j]+tab1[i-1][j-1];
+			}
+			else{
+				if(i==0){
+					tab1[i][j]=1;
+				}
+				else{
+					if(j>=0){
+						tab1[i][j]=1;
+					}
+				}
+			}
+		}
+		nb++;
+	}
+	nb = 1;
+	for(i=0;i<30;i++){
+		for(j=0;j<nb;j++){
+			printf("%5d",tab1[i][j]);
+		}
+		printf("\n");
+		nb++;
+	}
+
+	return EXIT_SUCCESS;
+}
\ No newline at end of file