danm 

The fraction data type consists of two BigInteger values for numerator and denominator. It implements various operations (addition, subtraction, multiplication, division and remainder) with operator overloads.

Contains classes to access the Personal Computer/Smart Card Resource Manager using the system's native PC/SC API. The library is written to run on multiple platforms (.Net Framework, .Net Core or Mono using PCSC Lite).

Implements partial ISO7816 support (APDU etc.) for PCSC.

Reactive extensions for PC/SC. Observables from smart card monitor events.

Converts a fraction data type to JSON by using Fraction's ToString() and FromString() methods. The class name is JsonFractionConverter.