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Free Pascal

Free Pascal

Free Pascal is an open-source variant to the classic languages Pascal and Object Pascal and it's compatible with ISO pascal, Mac Pascal, Turbo Pascal 7.0 and most (if not all) versions of Delphi

Master Free Pascal with
Interactive Learning

Elevate your Free Pascal skills through 102 curated exercises across 0 core concepts. Master problem-solving with a structured learning path designed for modern developers.

Free Pascal

About Free Pascal

Free Pascal is one of the best programming languages ​​to learn how to code.

Free Pascal is an open-source variant to the classic languages Pascal and Object Pascal and it's compatible with ISO pascal, Mac Pascal, Turbo Pascal 7.0 and most (if not all) versions of Delphi.

Compiled and strongly typed, Free Pascal offers robustness to develop any kind of program and/or project, from console programs to games and scientific applications.

Key Features of Free Pascal

Multitasking

Free Pascal fully supports concurrency and multithreading.

Easy to learn

Especially by beginners, the Pascal language is widely considered easy to learn.

Speed

Free Pascal is fast run, especially compared to interpreted languages.

General-purpose

Free Pascal is designed to be a versatile tool for creating all kinds of software.

Multi-paradigm

Free Pascal supports the major paradigms from the original Pascal language and its successors.

Statically-typed

Free Pascal is a statically-typed and strongly-typed language.

Track icon

Multitasking

Free Pascal fully supports concurrency and multithreading.

Easy to learn

Especially by beginners, the Pascal language is widely considered easy to learn.

Speed

Free Pascal is fast run, especially compared to interpreted languages.

General-purpose

Free Pascal is designed to be a versatile tool for creating all kinds of software.

Multi-paradigm

Free Pascal supports the major paradigms from the original Pascal language and its successors.

Statically-typed

Free Pascal is a statically-typed and strongly-typed language.

Dive into Free Pascal practice challenges

Hello World
Hello World
Level 1

SlaveCode's classic introductory exercise. Just say "Hello, World!".

Binary
Binary
Level 2

Convert a binary number, represented as a string (e.g. '101010'), to its decimal equivalent using first principles.

Collatz Conjecture
Collatz Conjecture
Level 2

Calculate the number of steps to reach 1 using the Collatz conjecture.

Darts
Darts
Level 2

Calculate the points scored in a single toss of a Darts game.

Difference of Squares
Difference of Squares
Level 2

Find the difference between the square of the sum and the sum of the squares of the first N natural numbers.

Leap
Leap
Level 2

Determine whether a given year is a leap year.