Jace4fc 1.0.2

.NET Standard 1.6
dotnet add package Jace4fc --version 1.0.2
NuGet\Install-Package Jace4fc -Version 1.0.2
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="Jace4fc" Version="1.0.2" />
For projects that support PackageReference, copy this XML node into the project file to reference the package.
paket add Jace4fc --version 1.0.2
#r "nuget: Jace4fc, 1.0.2"
#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 Jace4fc as a Cake Addin
#addin nuget:?package=Jace4fc&version=1.0.2

// Install Jace4fc as a Cake Tool
#tool nuget:?package=Jace4fc&version=1.0.2


Jace4fc is hard-fork of Jace.NET. Jace is a high performance calculation engine for the .NET platform.

It stands for "Just Another Calculation Engine For Financial Calculations"

What does it do?

Jace4fc can interprete and execute strings containing mathematical formulas. These formulas can rely on variables. If variables are used, values can be provided for these variables at execution time of the mathematical formula.

Jace can execute formulas in two modes: in interpreted mode and in a dynamic compilation mode. If dynamic compilation mode is used, Jace will create a dynamic method at runtime and will generate the necessary MSIL opcodes for native execution of the formula. If a formula is re-executed with other variables, Jace will take the dynamically generated method from its cache. It is recommended to use Jace in dynamic compilation mode.


Jace4fc can be used in a couple of ways:

To directly execute a given mathematical formula using the provided variables:

Dictionary<string, decimal> variables = new Dictionary<string, decimal>();
variables.Add("var1", 2.5m);
variables.Add("var2", 3.4m);

var engine = CalculationEngine.New<decimal>();
double result = engine.Calculate("var1*var2", variables);

To build a .NET Func accepting a dictionary as input containing the values for each variable:

var engine = CalculationEngine.New<double>()
Func<Dictionary<string, double>, double> formula = engine.Build("var1+2/(3*otherVariable)");

Dictionary<string, double> variables = new Dictionary<string, double>();
variables.Add("var1", 2);
variables.Add("otherVariable", 4.2);
double result = formula(variables);

To build a typed .NET Func:

var engine = CalculationEngine.New<double>()
Func<int, double, double> formula = (Func<int, double, double>)engine.Formula("var1+2/(3*otherVariable)")
	.Parameter("var1", DataType.Integer)
    .Parameter("otherVariable", DataType.FloatingPoint)
double result = formula(2, 4.2);

Functions can be used inside the mathemical formulas. Jace.NET currently offers four functions accepting one argument (sin, cos, loge and log10) and one function accepting two arguments (logn).

Dictionary<string, double> variables = new Dictionary<string, double>();
variables.Add("var1", 2.5);
variables.Add("var2", 3.4);

var engine = CalculationEngine.New<double>()
double result = engine.Calculate("logn(var1,var2)+4", variables);

More Information

For more information, you can read the following articles:


This is my fork of Jace. It is basically the same as the original project but here we have decimal support and I've applied some bug fixes there are not in jace's main branch.

Original Project: Jace

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-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 netcoreapp1.0 was computed.  netcoreapp1.1 was computed.  netcoreapp2.0 was computed.  netcoreapp2.1 was computed.  netcoreapp2.2 was computed.  netcoreapp3.0 was computed.  netcoreapp3.1 was computed. 
.NET Standard netstandard1.6 is compatible.  netstandard2.0 was computed.  netstandard2.1 was computed. 
.NET Framework 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 tizen30 was computed.  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)
Additional computed target framework(s)
Learn more about Target Frameworks and .NET Standard.
  • .NETStandard 1.6

    • No dependencies.

NuGet packages

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GitHub repositories

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Version Downloads Last updated
1.0.2 6,388 9/18/2022
1.0.1 4,435 8/26/2021
1.0.0 263 8/22/2021