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How do I start a Pascal program?

How do I start a Pascal program?

Open a command prompt and go to the directory, where you saved the file. Type fpc hello. pas at command prompt and press enter to compile your code. If there are no errors in your code, the command prompt will take you to the next line and would generate hello executable file and hello.o object file.

How do you write comments in Pascal?

The multiline comments are enclosed within curly brackets and asterisks as (* *). Pascal allows single-line comment enclosed within curly brackets { }.

What Pascal is good for?

Pros

  • Object oriented programming. You want Object Oriented Programming (OOP)?
  • Real assignment operator. Other languages: mathematically wrong (there are two equations):
  • Strong type safety.
  • Well structured.
  • Case-insensitive.
  • Principle of scope.
  • Readability.
  • Native set operators.

What are the reserved words in Pascal?

Reserved Words in Pascal For example, the words, program, input, output, var, real, begin, readline, writeline and end are all reserved words.

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What is the best way to learn Pascal?

This book is designed to teach you Pascal in a very short period of time. The method used in the book is that of learning by example. You start with simple programs that crunch some numbers and print some strings, and you end up with useful applications using structured programs.

What is the Pascal programming language?

The Pascal programming language is a high level language that has its own syntax rules and grammar rules. As you go along with the lessons, you must note what you can do and what you cannot do in writing a Pascal program. A very simple program is shown below: Program Lesson1_Program1; Begin Write (‘Hello World. Prepare to learn PASCAL!!’);

How do you end a program in Pascal?

A program in Pascal starts with the reserved word ‘ Program ‘ (although it is not explicitly required) and ends with ‘ End ‘, following a full stop (this is required though). A full-stop is never used within the program, except when dealing with records (later topics) and at the end of the program as seen in the example above.

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How do you write a program name in Pascal?

It starts with the keyword PROGRAM followed by a space, followed by the program name (FirstProgram). The program name is a user-invented word. User-invented words are classified in Pascal asidentifi- ers. An identifier must begin with a letter and may contain any number of letters or digits (in Turbo Pascal it may contain underscores as well).