diff --git a/DEV1.1/TP04/extremite b/DEV1.1/TP04/extremite
new file mode 100755
index 0000000..496df80
Binary files /dev/null and b/DEV1.1/TP04/extremite differ
diff --git a/DEV1.1/TP04/extremite.c b/DEV1.1/TP04/extremite.c
new file mode 100644
index 0000000..c767cb1
--- /dev/null
+++ b/DEV1.1/TP04/extremite.c
@@ -0,0 +1,9 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(void) {
+  printf("%f\n", +1.0/0.0);
+  printf("%f\n", -1.0/0.0);
+  printf("%f\n", -0.0/0.0);
+  return EXIT_SUCCESS;
+}
\ No newline at end of file
diff --git a/DEV1.1/TP04/interet b/DEV1.1/TP04/interet
new file mode 100755
index 0000000..f9fbb35
Binary files /dev/null and b/DEV1.1/TP04/interet differ
diff --git a/DEV1.1/TP04/interet.c b/DEV1.1/TP04/interet.c
new file mode 100644
index 0000000..4b36bc9
--- /dev/null
+++ b/DEV1.1/TP04/interet.c
@@ -0,0 +1,17 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(void) {
+  double argent;
+  printf("quel est le montant que vous souhaitez poser ? \n");
+  scanf("%lf",&argent);
+  argent=argent*1.04;
+  argent=argent*1.04;
+  argent=argent*1.04;
+  argent=argent*1.04;
+  argent=argent*1.04;
+  argent=argent*1.04;
+  argent=argent*1.04;
+  printf("L'épargne vous a rapportée : %.2f\n",argent);
+  return EXIT_SUCCESS;
+}
\ No newline at end of file
diff --git a/DEV1.1/TP04/operation.c b/DEV1.1/TP04/operation.c
new file mode 100644
index 0000000..980bceb
--- /dev/null
+++ b/DEV1.1/TP04/operation.c
@@ -0,0 +1,11 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(void) {
+  printf("%f\n", 5.0+2.5);
+  printf("%f\n", 5.0-2.5);
+  printf("%f\n", 5.0*2.5);
+  printf("%f\n", 5.0/2.5);
+  printf("%f\n", 5.0%2.5);
+  return EXIT_SUCCESS;
+}
\ No newline at end of file
diff --git a/DEV1.1/TP04/poussiere b/DEV1.1/TP04/poussiere
new file mode 100755
index 0000000..a43377c
Binary files /dev/null and b/DEV1.1/TP04/poussiere differ
diff --git a/DEV1.1/TP04/poussiere.c b/DEV1.1/TP04/poussiere.c
new file mode 100644
index 0000000..4348552
--- /dev/null
+++ b/DEV1.1/TP04/poussiere.c
@@ -0,0 +1,7 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(void) {
+  printf("%.15f\n", 12345.678910111213);
+  return EXIT_SUCCESS;
+}
\ No newline at end of file
diff --git a/DEV1.1/TP04/somme b/DEV1.1/TP04/somme
new file mode 100755
index 0000000..a5244d4
Binary files /dev/null and b/DEV1.1/TP04/somme differ
diff --git a/DEV1.1/TP04/somme.c b/DEV1.1/TP04/somme.c
new file mode 100644
index 0000000..099a9be
--- /dev/null
+++ b/DEV1.1/TP04/somme.c
@@ -0,0 +1,18 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(void) {
+  double r1,r2,r3,r4,r5;
+  printf("Tapez 5 réel : \n");
+  scanf("%lf",&r1);
+  getchar();
+  scanf("%lf",&r2);
+  getchar();
+  scanf("%lf",&r3);
+  getchar();
+  scanf("%lf",&r4);
+  getchar();
+  scanf("%lf",&r5);
+  printf("La somme des nombre est : %f \n",r1+r2+r3+r4+r5);
+  return EXIT_SUCCESS;
+}
\ No newline at end of file
diff --git a/DEV1.1/TP04/telescopage b/DEV1.1/TP04/telescopage
new file mode 100755
index 0000000..568dbcd
Binary files /dev/null and b/DEV1.1/TP04/telescopage differ
diff --git a/DEV1.1/TP04/telescopage.c b/DEV1.1/TP04/telescopage.c
new file mode 100644
index 0000000..7d1e61c
--- /dev/null
+++ b/DEV1.1/TP04/telescopage.c
@@ -0,0 +1,14 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(void) {
+  double r;
+  printf("Tapez un réel : ");
+  scanf("%lf",&r);
+  printf("%e\n",r);
+  getchar();
+  printf("Tapez un caractère : ");
+  char l=getchar();
+  printf("%c?\n%c?\n%c?\n%c?\n%c?\n",l,l,l,l,l);
+  return EXIT_SUCCESS;
+}
\ No newline at end of file