diff --git a/.idea/.gitignore b/.idea/.gitignore
new file mode 100644
index 000000000..30cf57ed7
--- /dev/null
+++ b/.idea/.gitignore
@@ -0,0 +1,10 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Ignored default folder with query files
+/queries/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml
diff --git a/.idea/Module-Tools.iml b/.idea/Module-Tools.iml
new file mode 100644
index 000000000..d6ebd4805
--- /dev/null
+++ b/.idea/Module-Tools.iml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
new file mode 100644
index 000000000..0280eb418
--- /dev/null
+++ b/.idea/misc.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" project-jdk-name="26" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
new file mode 100644
index 000000000..851933963
--- /dev/null
+++ b/.idea/modules.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/Module-Tools.iml" filepath="$PROJECT_DIR$/.idea/Module-Tools.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 000000000..35eb1ddfb
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/number-systems/Part-1.md b/number-systems/Part-1.md
index d8f9c290e..a2d4ef1bc 100644
--- a/number-systems/Part-1.md
+++ b/number-systems/Part-1.md
@@ -7,48 +7,48 @@ The goal of these exercises is for you to gain an intuition for binary numbers.
 The answers to these questions should be a number, either in binary, hex, or decimal.
 
 Q1: Convert the decimal number 14 to binary.
-Answer:
+Answer: 1110
 
 Q2: Convert the binary number 101101 to decimal:
-Answer:
+Answer: 45
 
 Q3: Which is larger: 1000 or 0111?
-Answer:
+Answer: 1000
 
 Q4: Which is larger: 00100 or 01011?
-Answer:
+Answer: 01011
 
 Q5: What is 10101 + 01010?
-Answer:
+Answer: 11111
 
 Q6: What is 10001 + 10001?
-Answer:
+Answer: 100010
 
 Q7: What's the largest number you can store with 4 bits, if you want to be able to represent the number 0?
-Answer:
+Answer: 15
 
 Q8: How many bits would you need in order to store the numbers between 0 and 255 inclusive?
-Answer:
+Answer: 8
 
 Q9: How many bits would you need in order to store the numbers between 0 and 3 inclusive?
-Answer:
+Answer: 2
 
 Q10: How many bits would you need in order to store the numbers between 0 and 1000 inclusive?
-Answer:
+Answer: 10
 
 Q11: Convert the decimal number 14 to hex.
-Answer:
- 
+Answer: E
+
 Q12: Convert the decimal number 386 to hex.
-Answer:
+Answer: 182
 
 Q13: Convert the hex number 386 to decimal.
-Answer:
+Answer: 902
 
 Q14: Convert the hex number B to decimal.
-Answer:
+Answer: 11
 
 Q15: If reading the byte 0x21 as a number, what decimal number would it mean?
-Answer:
+Answer: 33
 
 Q16: Continues in Part-2
diff --git a/number-systems/Part-2.md b/number-systems/Part-2.md
index 68b0933d9..5cfc5e174 100644
--- a/number-systems/Part-2.md
+++ b/number-systems/Part-2.md
@@ -7,16 +7,16 @@ The goal of these exercises is for you to gain an intuition for binary numbers.
 The answers to these questions will require a bit of explanation, not just a simple answer.
 
 Q16: How can you test if a binary number is a power of two (e.g. 1, 2, 4, 8, 16, ...)?
-Answer:
+Answer: A number is a power of two if it has only one “1” in its binary form.
 
 Q17: If reading the byte 0x21 as an ASCII character, what character would it mean?
-Answer:
+Answer:It is !
 
 Q18: If reading the byte 0x21 as a greyscale colour, as described in "Approaches for Representing Colors and Images", what colour would it mean?
-Answer:
+Answer: It is a very dark grey
 
 Q19: If reading the bytes 0xAA00FF as a sequence of three one-byte decimal numbers, what decimal numbers would they be?
-Answer:
+Answer: AA = 170 00 = 0 FF= 255
 
 Q20: If reading the bytes 0xAA00FF as an RGB colour, as described in "Approaches for Representing Colors and Images", what colour would it mean?
-Answer:
+Answer: This is a purple colour