CalcEnginePlus 2.5.0

.NET Standard 2.0 .NET Framework 4.0
There is a newer version of this package available.
See the version list below for details. 
dotnet add package CalcEnginePlus --version 2.5.0
NuGet\Install-Package CalcEnginePlus -Version 2.5.0
This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package. 
<PackageReference Include="CalcEnginePlus" Version="2.5.0" />
For projects that support PackageReference, copy this XML node into the project file to reference the package. 
paket add CalcEnginePlus --version 2.5.0
#r "nuget: CalcEnginePlus, 2.5.0"
#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package. 
// Install CalcEnginePlus as a Cake Addin
#addin nuget:?package=CalcEnginePlus&version=2.5.0

// Install CalcEnginePlus as a Cake Tool
#tool nuget:?package=CalcEnginePlus&version=2.5.0

Full documentation at CalcEnginePlus.com

Cheat sheet:

Hello world

using CalcEnginePlus;
...
var authKey = "licenced to ACME Corp;5BC9BB8204FD0A081C62";
var parser = new Parser(authKey);
var operand = parser.Parse("pi * 10**2");
Console.WriteLine(operand.Result);   // Validates correct installation

Using live tag values

using CalcEnginePlus;
...
var tagValueServer = new TagValueServer();
var authKey = "licenced to ACME Corp;5BC9BB8204FD0A081C62";
var parser = new Parser(tagValueServer, authKey);
var operand = parser.Parse("Pump39.Flow/ Pump39.Pressure");
Console.WriteLine("Ratio of Flow to Pressure is {0}", operand.Result);

...

class TagValueServer : ITagValueService
{
    public double GetNumericValue(string tagname, out bool tagFound, out string errmsg)
    {
        errmsg= string.Empty;
        tagFound = true;
        switch (tagname)    // Fetch 'live' values from external source here
        {
            case "Pump39.Flow":
                return 56.7;
            case "Pump39.Pressure":
                return 245.8;
            default:
                tagFound = false;
                errmsg= "not found";
                return double.NaN;
        }
    }
}
Product Compatible and additional computed target framework versions.
.NET net5.0 was computed.  net5.0-windows was computed.  net6.0 was computed.  net6.0-android was computed.  net6.0-ios was computed.  net6.0-maccatalyst was computed.  net6.0-macos was computed.  net6.0-tvos was computed.  net6.0-windows was computed.  net7.0 was computed.  net7.0-android was computed.  net7.0-ios was computed.  net7.0-maccatalyst was computed.  net7.0-macos was computed.  net7.0-tvos was computed.  net7.0-windows was computed.  net8.0 was computed.  net8.0-android was computed.  net8.0-browser was computed.  net8.0-ios was computed.  net8.0-maccatalyst was computed.  net8.0-macos was computed.  net8.0-tvos was computed.  net8.0-windows was computed. 
.NET Core netcoreapp2.0 was computed.  netcoreapp2.1 was computed.  netcoreapp2.2 was computed.  netcoreapp3.0 was computed.  netcoreapp3.1 was computed. 
.NET Standard netstandard2.0 is compatible.  netstandard2.1 was computed. 
.NET Framework net40 is compatible.  net403 was computed.  net45 is compatible.  net451 was computed.  net452 was computed.  net46 was computed.  net461 was computed.  net462 was computed.  net463 was computed.  net47 was computed.  net471 was computed.  net472 was computed.  net48 was computed.  net481 was computed. 
MonoAndroid monoandroid was computed. 
MonoMac monomac was computed. 
MonoTouch monotouch was computed. 
Tizen tizen40 was computed.  tizen60 was computed. 
Xamarin.iOS xamarinios was computed. 
Xamarin.Mac xamarinmac was computed. 
Xamarin.TVOS xamarintvos was computed. 
Xamarin.WatchOS xamarinwatchos was computed. 
Compatible target framework(s)
Included target framework(s) (in package)
Learn more about Target Frameworks and .NET Standard.

NuGet packages

This package is not used by any NuGet packages.

GitHub repositories

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Version Downloads Last updated
2.5.2 3,487 1/23/2019
2.5.0 2,036 4/17/2018

Added HasResultString and ResultString properties to operands to provide string support
The if() function can now return a string in the ResultString property
The + operator now performs string concatenation if either argument is a string
Literals 'true' and 'false' were not consistently treated as boolean
Support for multiple custom function libraries via the CustomFunctionLibraries property
Added the decode() function
Added switch() function
Added support for escaping ' and " characters with the \ character
Made \ a legal character for a tagname
Leading and trailing whitepace is now preserved for string literals
String + numeric tag concatenation no longer requires GetStringValue to return a string version of a numeric
The FormatResult() method wasn't handling a string operand correctly
Support for '//' and '/*...*/'- style comments