diff --git a/Fonderie/crapulator.c b/Fonderie/crapulator.c
index e58d479..6458ef6 100644
--- a/Fonderie/crapulator.c
+++ b/Fonderie/crapulator.c
@@ -262,6 +262,13 @@ switch (idFx) {
 		retval = trinitron(image, 0);
 		break;
 
+	case CR_sqrt:
+		retval = fimg_square_root(image, image, 1000.0);
+		break;
+	case CR_pow2:
+		retval = fimg_power_2(image, image, 1000.0);
+		break;
+
 	/* here are the glitches */
 	case CR_bsombra:			/* experiment ! */
 		retval = des_bords_sombres_a(image, 160);
diff --git a/Fonderie/crapulors.liste b/Fonderie/crapulors.liste
index 3873558..7d3054a 100644
--- a/Fonderie/crapulors.liste
+++ b/Fonderie/crapulors.liste
@@ -19,7 +19,9 @@
 18	updown		1	1.0
 19	hipass		1	1.0
 20	octotree	1	1.0
-21	trinitron	3,	0.0
+21	trinitron	3	0.0
+22	sqrt		1	0.0
+23	pow2		1	0.0
 24	bsombra		1	1.0
 25	vsglitch	1	1.0
 26	rndblks		1	1.0