diff --git a/Calculate.java b/Calculate.java
index a533e29..f07138b 100644
--- a/Calculate.java
+++ b/Calculate.java
@@ -15,4 +15,20 @@ public double mult(double x, double y) {
 	public double div(double x, double y) {
 		return x / y;
 	}
+	
+	public double pow(double x, double y) {
+		double erg = 1;
+		for(int i = 0; i < y; i++) {
+			erg = erg*x	
+		}
+		return erg;
+	}
+	
+	public double modular(double x, double y) {
+		return x%y;
+	}
+	
+	public double sqrt(double x) {
+		return Math.sqrt(x);
+	}
 }