Decimal.Compare
public class Test
   public Shared Sub Main
        Dim D1, D2 As Decimal
        D1 = 10
        D2 = 5.7
        Console.WriteLine(Decimal.rupare(D1, D2))
   End Sub
End class 
1
Decimal.Divide
public class Test
   public Shared Sub Main
        Dim D1, D2 As Decimal
        D1 = 10
        D2 = 5.7
        Console.WriteLine(Decimal.Divide(D1, D2))
   End Sub
End class 
1.7543859649122807017543859649
Decimal.Floor
public class Test
   public Shared Sub Main
        Console.WriteLine(Decimal.Floor(5.7))
   End Sub
End class 
5
Decimal.GetBits
public class Test
   public Shared Sub Main
        Dim D1, D2 As Decimal
        D1 = 10
        D2 = 5.7
        Console.WriteLine(Decimal.GetBits(3).GetValue(0))
   End Sub
End class 
3
Decmimal calculation
public class Test
   public Shared Sub Main
        Dim Dec1, Dec2 As Decimal
        Dec1 = 100
        Dec2 = 200
    
        Dec1 = Dec1 + Dec2
        Console.WriteLine(Dec1)
        Dec1 = --Dec1
        Console.WriteLine(Dec1)
        
        Dec1 = ++Dec2
        
        Console.WriteLine(Dec1)
   End Sub
End class 
300
300
200
Divide Decimal by double
Public Class Tester
    Public Shared Sub Main
    
        Dim result As New System.Text.StringBuilder
        Dim maxDecimal As Decimal = Decimal.MaxValue
        Dim sizeOfDecimal As Integer = Runtime.InteropServices.Marshal.SizeOf(maxDecimal.GetType)
        result.Append("Memory size of a Decimal (bytes): ")
        result.AppendLine(sizeOfDecimal)
        result.Append("Maximum value of a Decimal: ")
        result.AppendLine(maxDecimal)
        result.Append("Divided by one million: ")
        result.AppendLine(maxDecimal / 1000000D)
        result.Append("1D / 3D: ")
        result.AppendLine(1D / 3D)
        Console.WriteLine(result.ToString())
     End Sub
End Class 
Memory size of a Decimal (bytes): 16
Maximum value of a Decimal: 79228162514264337593543950335
Divided by one million: 79228162514264337593543.950335
1D / 3D: 0.3333333333333333333333333333
Do calculation between Integer and Decimal
public class Test
   public Shared Sub Main
        Dim Meters As Integer
        Dim Inches As Decimal
        Meters = 23
        Inches = Meters * 39.37
        Console.WriteLine("Meters: " & Meters)
        Meters = Meters + 1
        Console.WriteLine("Meters: " & Meters)
        Meters += 1
        Console.WriteLine("Meters: " & Meters)
   End Sub
End class 
Meters: 23
Meters: 24
Meters: 25
MinValue and MaxValue of Decimal
public class Test
   public Shared Sub Main
               Dim dNum As Decimal
               Console.WriteLine("Decimal: " & dNum.MinValue & " to " & dNum.MaxValue)
   End Sub
End class 
Decimal: -79228162514264337593543950335 to 79228162514264337593543950335