3 Numbers
3.1 Infinities, NaNs
3.2 Distinguished -0.0
4 Lexical syntax and datum syntax
4.1 Symbol and identifier syntax
4.1.1 Escaped symbol constituents
4.1.2 Case sensitivity
4.1.3 Identifiers starting with ->
4.2 Comments
4.3 Future extensions
5 Semantic concepts
5.1 Argument and subform checking
5.2 Safety
5.3 Proper tail recursion
7 Libraries
7.1 Syntax
7.2 Local import
7.3 Local modules
7.4 Fixed import and export clauses
7.5 Instantiation and initialization
7.6 Immutable exports
7.7 Compound library names
7.8 Versioning
7.9 Treatment of different versions
9 Primitive syntax
9.1 Unspecified evaluation order
11 Base library
11.1 Library organization
11.2 Bodies
11.3 Export levels
11.4 Binding forms
11.5 Equivalence predicates
11.5.1 Treatment of procedures
11.5.2 Equivalence of NaNs
11.5.3 eq?
11.6 Arithmetic
11.6.1 Full numerical tower
11.6.2 IEEE-754 conformance
11.6.3 Transcendental functions
11.6.4 Domains of numerical predicates
11.6.5 Numerical types
11.6.6 Closure Properties
11.6.6.1 Representation-specific operations
11.6.6.2 Flow analysis
11.6.6.3 div and mod
11.6.7 Numerical predicates
11.6.8 Notes on individual procedures
11.7 Characters and strings
11.8 Symbols
11.9 Control features
11.9.1 call-with-current-continuation
11.9.2 dynamic-wind
11.9.3 Multiple values
11.10 Macro transformers
11.10.1 syntax-rules
15 List utilities
15.1 Notes on individual procedures
17 Control structures
17.1 when and unless
17.2 case-lambda
18 Records
18.1 Syntactic layer
18.2 Positional access and field names
18.3 Lack of multiple inheritance
18.4 Constructor mechanism
18.5 Sealed record types
19 Conditions and exceptions
19.1 Exceptions
19.2 Conditions
20 I/O
20.1 File names
20.2 File options
20.3 End-of-line styles
20.4 Error-handling modes
20.5 Binary and textual ports
20.6 File positions
20.7 Freshness of standard ports
20.8 Argument conventions
22 Arithmetic
22.1 Fixnums and flonums
22.2 Bitwise operations
22.3 Notes on individual procedures
24 Hashtables
24.1 Caching
24.2 Immutable hashtables
24.3 Hash functions