This is Brainfuck · medium, lesson 1: Multiply. Read the teaching and the stills before the checks. The quizzes are open book and test the subject — Brainfuck itself — not product rules or layout trivia.
Brainfuck Medium · Lesson 1 · On the house
Multiply
Brainfuck · medium · Multiply. Lesson 1 is free — on the house.
Lessons · Brainfuck Medium · Lesson 1 of 10 · On the house
Multiply
Brainfuck · medium · Multiply.
You already know Introductory and Easy. Medium assumes those habits and asks for sharper tools.
Today's focus: Multiply.
This medium lesson assumes prior Brainfuck levels below it.
Read the Host note still. Open-book checks test this topic only.
Change one idea at a time when you experiment in an interpreter.
multiply
# Brainfuck · Multiply
# Level: mediumSit with that still. Trace it top to bottom. Name each piece. The exercise asks you to match its essence.
If something fails when you try it yourself, change one thing. Read the error. Return to the still. I will not rush you.
Quiz
What is today's Brainfuck topic?
Quiz
What language is this course?
Quiz
What do the quizzes test?
Quiz
Based on today's teaching, which claim is right?
Quiz
Based on today's teaching, which claim is right?
Quiz
Based on today's teaching, which claim is right?
Quiz
Based on today's teaching, which claim is right?
Quiz
Based on today's teaching, which claim is right?
Quiz
Based on today's teaching, which claim is right?
Check
Match the still for: Multiply.
That is the lesson. When every quiz and exercise on this page is green, mark it passed. Next lesson when you are ready.
Open-book: the answers are on this page. Pass every quiz and check (10) to mark the lesson done. This visit: 0/10.