Add sample for creating dynamic array formulas

Create and Edit Formulas/Dynamic Array Formula/.NET/Dynamic Array Formula/Dynamic Array Formula.slnx

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+<Solution>
+  <Project Path="Dynamic Array Formula/Dynamic Array Formula.csproj" />
+</Solution>

Create and Edit Formulas/Dynamic Array Formula/.NET/Dynamic Array Formula/Dynamic Array Formula/Dynamic Array Formula.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net10.0</TargetFramework>
+    <RootNamespace>Dynamic_Array_Formula</RootNamespace>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Syncfusion.XlsIO.Net.Core" Version="*" />
+  </ItemGroup>
+
+  <ItemGroup>
+	<None Update="Output\*">
+		<CopyToOutputDirectory>Always</CopyToOutputDirectory>
+	</None>
+  </ItemGroup>
+
+</Project>

Create and Edit Formulas/Dynamic Array Formula/.NET/Dynamic Array Formula/Dynamic Array Formula/Program.cs

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+using Syncfusion.XlsIO;
+
+namespace Dynamic_Array_Formula
+{
+    class Program
+    {
+        static void Main(string[] args)
+        {
+            using (ExcelEngine excelEngine = new ExcelEngine())
+            {
+                IApplication application = excelEngine.Excel;
+                application.DefaultVersion = ExcelVersion.Xlsx;
+
+                IWorkbook workbook = application.Workbooks.Create(1);
+                IWorksheet worksheet = workbook.Worksheets[0];
+
+                // Source data for SORT, FILTER, and UNIQUE.
+                worksheet["A1"].Text = "Numbers";
+                worksheet["A2"].Number = 30;
+                worksheet["A3"].Number = 10;
+                worksheet["A4"].Number = 20;
+                worksheet["A5"].Number = 10;
+                worksheet["A6"].Number = 40;
+
+                // 1. Generates numbers from 1 to 5.
+                worksheet["C1"].Text = "SEQUENCE";
+                worksheet["C2"].FormulaArray = "=SEQUENCE(5)";
+
+                // 2. Sorts the numbers in ascending order.
+                worksheet["E1"].Text = "SORT";
+                worksheet["E2"].FormulaArray = "=SORT(A2:A6)";
+
+                // 3. Returns only numbers greater than 20.
+                worksheet["G1"].Text = "FILTER";
+                worksheet["G2"].FormulaArray = "=FILTER(A2:A6,A2:A6>20)";
+
+                // 4. Returns the unique numbers.
+                worksheet["I1"].Text = "UNIQUE";
+                worksheet["I2"].FormulaArray = "=UNIQUE(A2:A6)";
+
+                // 5. Generates five random numbers.
+                worksheet["K1"].Text = "RANDARRAY";
+                worksheet["K2"].FormulaArray = "=RANDARRAY(5,1,1,10,TRUE)";
+
+                #region Save
+                //Saving the workbook
+                workbook.SaveAs(Path.GetFullPath("Output/Formula.xlsx"));
+                #endregion
+            }
+        }
+    }
+}