diff --git a/03_variables/main.v b/03_variables/main.v
deleted file mode 100644
index 02d2114..0000000
--- a/03_variables/main.v
+++ /dev/null
@@ -1,20 +0,0 @@
-import math
-
-const pi = math.pi
-
-pub fn main() 
-{
-
-	// Por padrão os valores são criados como imutável
-	immutable := pi
-	println('${immutable}')
-
-	// Para se tornar variável basta inserir a palavra reservada 'mut'
-	mut mutable := 23.2
-	print('${mutable}\n')
-	
-	mutable = pi
-
-	print('${mutable}\n')
-	
-}
\ No newline at end of file
diff --git a/03_variables/types.v b/03_variables/types.v
new file mode 100644
index 0000000..999f8a1
--- /dev/null
+++ b/03_variables/types.v
@@ -0,0 +1,59 @@
+
+const min_i8 := i8(-128)
+const max_i8 := i8(127)
+
+const min_i16 := i16(-32768)
+const max_i16 := i16(32767)
+
+const min_i32 := i32(-2147483648)
+const max_i32 := i32(2147483647)
+
+const min_i64 := i64(-9223372036854775807 - 1)
+const max_i64 := i64(9223372036854775807)
+
+const mix_u8  := u8(0)
+const mix_u16 := u16(0)
+const mix_u32 := u32(0)
+const mix_u64 := u64(0)
+
+const max_u8  := u8(127)
+const max_u16 := u16(32767)
+const max_u32 := u32(2147483647)
+const max_u64 := u64(9223372036854775807)
+
+
+fn main() 
+{
+	mut integer := int(20)
+	mut flt32 := f32(2)
+	mut flt64 := f64(3)
+	
+	println(flt32)
+	println(flt64)
+	println(integer)
+
+	println(min_i8)
+	println(max_i8)
+
+	println(min_i16)
+	println(max_i16)
+
+	println(min_i32)
+	println(max_i32)
+	
+	println(min_i64)
+	println(max_i64)
+
+	println(min_u8)
+	println(max_u8)
+
+	println(min_u16)
+	println(max_u16)
+
+	println(min_u32)
+	println(max_u32)
+	
+	println(min_u64)
+	println(max_u64)
+
+}
\ No newline at end of file
diff --git a/03_variables/values.v b/03_variables/values.v
new file mode 100644
index 0000000..e764003
--- /dev/null
+++ b/03_variables/values.v
@@ -0,0 +1,43 @@
+import math
+
+const pi = math.pi
+
+pub fn main() 
+{
+
+	// Por padrão os valores são criados como imutável
+	immutable := pi
+	println('${immutable}')
+
+	// Para se tornar variável basta inserir a palavra reservada 'mut'
+	mut mutable := 23.2
+	print('${mutable}\n')
+	
+	mutable = pi
+
+	print('${mutable}\n')
+
+	a, c, d := 3, 2, 5
+
+	mut i, mut j := 'Hi', 'Hello'
+
+	println("${a} ${c} ${d}")
+	println("${i} ${j}")
+
+	mut greet := 'Here'
+
+	greet = greet + ' there and Everywhere'
+
+	println("${greet}")
+
+	greet += ' Hope yout have a great day!'
+
+	println("${greet}")
+
+	mut is_false := false
+	mut is_true  := true
+
+	println(is_false)
+	println(is_true)
+
+}
\ No newline at end of file
diff --git a/04_comments/main.v b/04_comments/main.v
new file mode 100644
index 0000000..d55e65c
--- /dev/null
+++ b/04_comments/main.v
@@ -0,0 +1,26 @@
+/*
+	multiply accepts two integers arguments namely x and y
+
+	It then performs multiplication of input arguments and 
+	return the product which is again a type of integer as 
+	specified in the function signature
+
+	x is an input argumento accepts values of type of int
+	y is an input argument accepts values of type of int
+
+	multiply functions returns the result of type int which 
+	is a multiplication of input arguments x and y
+
+*/
+fn multiply(x int, y int) int
+{
+	return x * y
+}
+
+// main function callable by operating system
+pub fn main() 
+{
+	println("Hello world")
+
+	println(multiply(2,4))
+}
\ No newline at end of file
diff --git a/04_conditions/main.v b/04_conditions/main.v
index 8f71fa1..bc4e457 100644
--- a/04_conditions/main.v
+++ b/04_conditions/main.v
@@ -1,6 +1,3 @@
-
-
-
 pub fn main() {
 	println('oi')
 }
\ No newline at end of file