Completed assignment 004.

Java-Assignment-004.iml

@@ -5,6 +5,7 @@
     <content url="file://$MODULE_DIR$">
       <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
     </content>
+    <orderEntry type="jdk" jdkName="openjdk-20" jdkType="JavaSDK" />
     <orderEntry type="sourceFolder" forTests="false" />
   </component>
 </module>

src/Multadd.java

@@ -0,0 +1,40 @@
+
+public class Multadd {
+
+    public static void multadd(double a, double b, double c) {
+        double result = a*b + c;
+        System.out.println (result);
+    }
+
+    public static void main(String[] args) {
+
+        System.out.print ("The result of 1.0, 2.0, and 3.0 is: ");
+        multadd(1.0, 2.0, 3.0);
+        System.out.println();
+
+        double a1 = Math.cos(Math.PI/4.0);
+        double b1 = 1.0/2.0;
+        double c1 = Math.sin(Math.PI/4.0);
+        System.out.print ("sin(pi/4) + cos(pi/4)/2 = ");
+        multadd (a1, b1, c1);
+        System.out.println();
+
+        double a2 = 1.0;
+        double b2 = Math.log(10);
+        double c2 = Math.log(20);
+        System.out.print("log(10) + log(20) = ");
+        multadd(a2, b2, c2);
+        System.out.println();
+    }
+
+    public static void expSum(double x) {
+
+        //
+        double a = x;
+        double b = Math.exp(-x);
+        double c = Math.sqrt(1.0 - b);
+        multadd(a, b, c);
+        System.out.print("xe^(-x) + sqrt (1 - e^(-x) = ");
+        System.out.println();
+    }
+}