diff --git a/.idea/misc.xml b/.idea/misc.xml
index 639900d..69ace3f 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="ProjectRootManager">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_21" default="true" project-jdk-name="openjdk-21" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
   </component>
 </project>
\ No newline at end of file
diff --git a/Java-Lab-003.iml b/Java-Lab-003.iml
index b46c0dd..e1006ff 100644
--- a/Java-Lab-003.iml
+++ b/Java-Lab-003.iml
@@ -5,6 +5,7 @@
     <content url="file://$MODULE_DIR$">
       <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
     </content>
+    <orderEntry type="inheritedJdk" />
     <orderEntry type="sourceFolder" forTests="false" />
   </component>
 </module>
\ No newline at end of file
diff --git a/README.md b/README.md
index cdcf86f..17877f3 100644
--- a/README.md
+++ b/README.md
@@ -20,6 +20,19 @@ For each of the issues above, screenshot and add the error images to this repo n
 
 ### **Note:**
 Your answers to this exercise should be added using Markdown into the project's `README.md` file so that they get committed with the project's code..
+---
+
+Errors in Printf format:
+
+Exception in thread "main" java.util.IllegalFormatConversionException: f != java.lang.Integer
+at java.base/java.util.Formatter$FormatSpecifier.failConversion(Formatter.java:4515)
+at java.base/java.util.Formatter$FormatSpecifier.printFloat(Formatter.java:3079)
+at java.base/java.util.Formatter$FormatSpecifier.print(Formatter.java:3027)
+at java.base/java.util.Formatter.format(Formatter.java:2791)
+at java.base/java.io.PrintStream.implFormat(PrintStream.java:1367)
+at java.base/java.io.PrintStream.format(PrintStream.java:1346)
+at java.base/java.io.PrintStream.printf(PrintStream.java:1245)
+at Printf.main(Printf.java:5)
 
 ---
 
diff --git a/src/Printf.java b/src/Printf.java
new file mode 100644
index 0000000..55a3184
--- /dev/null
+++ b/src/Printf.java
@@ -0,0 +1,9 @@
+public class Printf {
+    public static void main(String[] args) {
+        int intValue = 10;
+        double doubleValue = 5.75;
+        System.out.printf("Displaying an int using %%f: %f\n", intValue);
+        System.out.printf("Displaying a double using %%d: %d\n", doubleValue);
+        System.out.printf("Providing only one value for two format specifiers: %d %f\n", intValue);
+    }
+}
\ No newline at end of file
diff --git a/src/SecondsToTimeConverter.java b/src/SecondsToTimeConverter.java
new file mode 100644
index 0000000..deba0bc
--- /dev/null
+++ b/src/SecondsToTimeConverter.java
@@ -0,0 +1,14 @@
+import java.util.Scanner;
+public class SecondsToTimeConverter {
+    public static void main(String[] args) {
+        Scanner scanner = new Scanner(System.in);
+        System.out.print("Enter a total number of seconds: ");
+        int totalSeconds = scanner.nextInt();
+        int hours = totalSeconds / 3600;
+        int remainingSeconds = totalSeconds % 3600;
+        int minutes = remainingSeconds / 60;
+        int seconds = remainingSeconds % 60;
+        System.out.printf("%d seconds = %d hours, %d minutes, and %d seconds\n", totalSeconds, hours, minutes, seconds);
+        scanner.close();
+    }
+}
diff --git a/src/TempConvert.java b/src/TempConvert.java
new file mode 100644
index 0000000..08e2775
--- /dev/null
+++ b/src/TempConvert.java
@@ -0,0 +1,11 @@
+import java.util.Scanner;
+public class TempConvert {
+    public static void main(String[] args) {
+        Scanner scanner = new Scanner(System.in);
+        System.out.print("Enter a temperature in Celsius: ");
+        double celsius = scanner.nextDouble();
+        double fahrenheit = celsius * 9 / 5 + 32;
+        System.out.printf("%.1f C = %.1f F\n", celsius, fahrenheit);
+        scanner.close();
+    }
+}