forestschao/sicp

Practice for SICP

In the introduction, the professor introduced three main topics:

1. Blackbox abstraction

1. Primitive data and operations
2. combinations
3. abstractions
4. Computing pattern

2. Convenient Interface

1. General interface
2. large scale data
3. Object-oriented programming
4. Operation on aggregation

3. Metalinguistic

Learn programming language:

1. Premitive elements
2. Means of combinations
3. Means of abstractions

Introduce some basics of LISP

1. 5, 17.2, 3
2. (* 5 5)
3. (define a 5)
4. (define (square x) (* x x)) <---- syntax sugar
5. (define square (lambda(x) (* x x)))