0 General Introduction 0.1 Introduction 0.2 Scope and field of application 0.3 References 0.4 Definitions 0.5 Conformity 0.6 Tests 0.7 Appendices 1 Lexical Tokens 1.1 Directive lines 1.2 The character set 1.3 Special symbols 1.4 Identifiers 1.5 Numbers 1.6 Strings 1.7 Character constants 1.8 Corument convention 1.9 Token separators 1.10 Prograrn interchange and lexical alternatives 2 Types, values and references 2.1 Arithrnetic types 2.2 The type Boolean 2.3 The type character 2.4 Object reference 2.5 The type text 2.6 Type conversion 3 Expressions 3.1 Variables 3.2 Boolean expressions 3.3 Relations 3.4 The logical operators 3.5 Arithhlietic expressions 3.6 Character expressions 3.7 Text expressions 3.8 Object expressions 3.9 Designational expressions 4 Statements 4.1 Assignement statement 4.2 Conditional statement 4.3 While statement 4.4 For statement 4.5 Goto statement 4.6 Procedure statement 4.7 Object generator statement 4.8 Connection statement 4.9 Compound statement 4.10 Blocks 4.11 Dummy statement 5 Declarations 5.1 Simple variable declaration 5.2 Array declaration 5.3 Switch declaration 5.4 Procedure declaration 5.5 Class declaration 5.6 Scope and visibility rules 5.7 Initialisation 5.8 Constant declarations 6 Program modules 6.1 External declarations 6.2 The main program 6.3 External procedure declaration 6.4 External class declaration 6.5 Module identification 7 Sequencing 7.1 Block instances and states of execution 7.2 Quasi-parallel systems 7.3 Quasi-parallel sequencing 7.4 Annotated example 8 Attributes of text 8.1 "constant", "start", "length" and "main" 8.2 Character access 8.3 Text generation 8.4 Subtexts 8.5 Numeric text values 8.6 "De-editing" procedures 8.7 Editing procedures 9 The class environment 9.1 Basic operations 9.2 Text utilities 9.3 Scheduling 9.4 Mathematical ifinctions 9.5 Extremum functions 9.6 Environmental enquiries 9.7 Error control 9.8 Array quantities 9.9 Random drawing 9.10 Calendar and tiining utilities 9.11 Miscellaneous 9.12 Standard system classes 10 Input - Output 10.1 The class "file" 10.2 Structure of file subclasses 10.3 Imagefiles 10.4 The class "infile" 10.5 The class "outfile" 10.6 The class "directfile" 10.7 The class "printlile" 10.8 Bytefiles 10.9 The class "inbytefle" 10.10 The class "outbytefile" 10.11 The class "directbytefile" 11 Class Simset 11.1 Class "linkage" 11.2 Class link 11.3 Class head 12 Class Simulation 12.1 Class process 12.2 Activation statement 12.3 Procedure ACTIVATE 12.4 Sequencing procedures 12.5 The main (simlulation) 12.6 The procedure ACCUM App. A: SIMULA Syntax App. B: Implementation aspects App. C: Index of Syntactic Meta-symbols App. D: Statutes of the SIMULA Standards Group