The Unofficial C For Dummies Website

This page supports the C programming books written by Dan Gookin, as well as the C language training courses offered online at LinkedIn Learning. All coders are welcome.

Recent Lessons

Consistently Constant: November 29, 2025 The only true constant declaration in C is found in the C23 standard and the constexpr qualifier.
Constantly Complaining: November 22, 2025 Does the C language really have constants?
All Those Binary Dates: November 15, 2025 Spoiler alert: Every year has nine binary dates.
Finding a Binary Date: November 8, 2025 The year's dates must be stored for proper binary examination.
Today's Date is Binary!: November 1, 2025 Check it out: November 1st is 11-01, which is 13 decimal or 0xD in hex. I'm a nerd!

Lessons are posted each Saturday; see the blog for all the Lessons

This Month's Exercise

Having Fun with goto: November 1, 2025 It's the keyword you should avoid — except for in this challenge!

Exercises are posted on the first of the month; see the blog for all the Exercises

Current Titles

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For support on my older C titles: Beginning C Programming, C All-In-One reference and C For Dummies.

Online Training

Online training is provided through Linkedin Learning, a subscription service. Click here to see my available courses. New courses are frequently available and updated.

"For Dummies" is a trademark or registered trademark of John Wiley.
This site is the online companion to the various
C language titles written by Dan Gookin.