diff --git a/three/three.py b/three/three.py
index 89183c9..a168a22 100644
--- a/three/three.py
+++ b/three/three.py
@@ -43,6 +43,14 @@ def factorial():
     return 6
 
 
+def square_root():
+    return 1.7320508075689
+
+
+def is_prime():
+    return True
+
+
 def is_three(x):
     return x == three()
 
@@ -106,6 +114,10 @@ def letters():
     return ['t', 'h', 'r', 'e', 'e']
 
 
+def vowel_count():
+    reutrn 2
+
+
 def spanish():
     return 'tres'
 
@@ -122,6 +134,10 @@ def italian():
     return 'tre'
 
 
+def hindi():
+    return 'teen'
+
+
 # Currency
 
 def dollars():
@@ -136,6 +152,10 @@ def euros():
     return '€3.00'
 
 
+def rupees():
+    return '₹3.00'
+
+
 # Rule of Threes
 
 def rule_of():
@@ -225,4 +245,4 @@ def hours_from_now():
     return (datetime.now() + timedelta(hours=3)).strftime('%H:%M:%S')
 
 def days_from_now():
-    return (date.today() + timedelta(days=3)).strftime('%d %B %Y')
\ No newline at end of file
+    return (date.today() + timedelta(days=3)).strftime('%d %B %Y')