diff --git a/Lezione1/es1/es1 b/Lezione1/es1/es1
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diff --git a/Lezione1/es1/es1.c b/Lezione1/es1/es1.c
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+// gcc es1.c -Wall -pedantic -std=c17 -lm -o es1
+#include <math.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+float fattoriale(int n) {
+    int kappa = 1;
+    for(int i = 1; i <= n; i++) {
+        kappa = i * kappa;
+    }
+    return kappa;
+}
+
+//           N    
+// g_N(x) = SUM (  X^n / n!  )
+//          n=0
+double Gx(int N, double x) {
+
+    double r = 0.0;
+
+    for(int i = 0; i < N; i++) {
+        r = r + (pow(x, N) / fattoriale(N));
+    }
+
+    // printf("%f", tmp);
+    return r;
+}
+
+// F(x) = e^(x)
+double Fx(int x) {
+    return exp(x);
+}
+
+int main(void) {
+
+    //printf("La costante di Nepero e: %f\n", M_E);
+    printf("e elevato alla seconda: %f\n", exp(1)); // e^2
+    int MEOW = 50;                                  // no idea del perché non funga
+    puts("Start Program!!\n");
+
+    int vechi[50] = {0};
+
+    for(int i = 0; i < MEOW; i++) {
+    }
+
+    printf("%lf\n", Gx(10, 7));
+
+    return EXIT_SUCCESS;
+}
\ No newline at end of file
diff --git a/Lezione1/es1/newplot.md b/Lezione1/es1/newplot.md
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+# tutorial GNUPLOT