From 85f81e0051d06aa34fd9e5097d19189a1665536a Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Fri, 17 Apr 2026 19:32:58 +0000
Subject: [PATCH 1/2] Initial plan


From 31e8f9ccdee2d5d648626ceed220510da2c8f75d Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Fri, 17 Apr 2026 19:44:20 +0000
Subject: [PATCH 2/2] Add multi-framework support: netstandard2.1, net8.0,
 net10.0

Agent-Logs-Url: https://github.com/tonyqus/ExcelFinancialFunctions/sessions/6cedf81f-8a5c-4c30-bdf4-65b24585a38d

Co-authored-by: tonyqus <772561+tonyqus@users.noreply.github.com>
---
 .github/workflows/pull-requests.yml                       | 8 +++++---
 .github/workflows/push-master.yml                         | 8 +++++---
 .../ExcelFinancialFunctions.fsproj                        | 2 +-
 src/ExcelFinancialFunctions/common.fs                     | 2 +-
 .../ExcelFinancialFunctions.Tests.fsproj                  | 2 +-
 5 files changed, 13 insertions(+), 9 deletions(-)

diff --git a/.github/workflows/pull-requests.yml b/.github/workflows/pull-requests.yml
index f185f7b..c9d5203 100644
--- a/.github/workflows/pull-requests.yml
+++ b/.github/workflows/pull-requests.yml
@@ -8,11 +8,13 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Setup .NET
-      uses: actions/setup-dotnet@v1
+      uses: actions/setup-dotnet@v4
       with:
-        dotnet-version: 6.0.x
+        dotnet-version: |
+          8.0.x
+          10.0.x
     - name: Restore dependencies
       run: dotnet restore
     - name: Build
diff --git a/.github/workflows/push-master.yml b/.github/workflows/push-master.yml
index c6de169..09ed63b 100644
--- a/.github/workflows/push-master.yml
+++ b/.github/workflows/push-master.yml
@@ -8,11 +8,13 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Setup .NET
-      uses: actions/setup-dotnet@v1
+      uses: actions/setup-dotnet@v4
       with:
-        dotnet-version: 6.0.x
+        dotnet-version: |
+          8.0.x
+          10.0.x
     - name: Restore dependencies
       run: dotnet restore
     - name: Build Debug
diff --git a/src/ExcelFinancialFunctions/ExcelFinancialFunctions.fsproj b/src/ExcelFinancialFunctions/ExcelFinancialFunctions.fsproj
index 225bd5f..2310b15 100644
--- a/src/ExcelFinancialFunctions/ExcelFinancialFunctions.fsproj
+++ b/src/ExcelFinancialFunctions/ExcelFinancialFunctions.fsproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netstandard2.0</TargetFramework>
+    <TargetFrameworks>netstandard2.0;netstandard2.1;net8.0;net10.0</TargetFrameworks>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <GeneratePackageOnBuild>false</GeneratePackageOnBuild>
     <WarnOn>3390;$(WarnOn)</WarnOn>
diff --git a/src/ExcelFinancialFunctions/common.fs b/src/ExcelFinancialFunctions/common.fs
index 2bff4c8..af87d8d 100644
--- a/src/ExcelFinancialFunctions/common.fs
+++ b/src/ExcelFinancialFunctions/common.fs
@@ -39,7 +39,7 @@ module internal Common =
            
     // Date functions
     let days (after:DateTime) (before:DateTime) = (after - before).Days
-    let date y m d = new DateTime(y, m, d)
+    let date (y: int) (m: int) (d: int) = new DateTime(y, m, d)
     let (|Date|) (d1:DateTime) = (d1.Year,d1.Month,d1.Day)
     let isLeapYear (Date(y,_,_) as d) = DateTime.IsLeapYear(y)
     let leapYear y = DateTime.IsLeapYear(y)
diff --git a/tests/ExcelFinancialFunctions.Tests/ExcelFinancialFunctions.Tests.fsproj b/tests/ExcelFinancialFunctions.Tests/ExcelFinancialFunctions.Tests.fsproj
index 576e369..942fdf7 100644
--- a/tests/ExcelFinancialFunctions.Tests/ExcelFinancialFunctions.Tests.fsproj
+++ b/tests/ExcelFinancialFunctions.Tests/ExcelFinancialFunctions.Tests.fsproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp6.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
 
     <GenerateProgramFile>false</GenerateProgramFile>
   </PropertyGroup>