The Lambda Calculus

as math
  the book
  Googling the book
  Converting λ expressions to Combinators
to program computers
  the engine
    Soft Stack & Garbage collection
    Primal Environ
    Output—the P hack
  The code itself
    elementary tests
  some λ code
    Steps towards ordinary code
    Y-combinator as SKI-Combinator
    About some of my early λ code
    Arranging access of modules to modules
    A function suite for lists
  In extant languages
What I have learned

security note

λ Calculus via Scheme

External: Graphical λ