The Unofficial C For Dummies Website

This page supports the C programming books written by Dan Gookin and published by John Wiley.

Recent Lessons

Looping with time_t values: June 16, 2018 The time_t variable type is a number so, yes, I suppose you can stick it into a loop.
Time After Time: June 9, 2018 Here are some handy utilities that deal with Unix epoch time.
Multiple Statements in a for Condition: June 2, 2018 There is a reason why the for loop's statement uses semicolons instead of commas.
Radians to the Rescue!: May 26, 2018 Why the radian is a better tool for measuring a circle than the degree.
What the Heck is a Radian?: May 19, 2018 When trigonometry pounds on your program's door, you must remember to specify the angles as radians, not degrees.

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

This Month's Exercise

The Leap Year Function: June 1, 2018 The Gregorian calendar fixed the leap year calculation and Pope Gregory XIII did it without any knowledge of C coding.

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

Current Titles

For support on my older C titles, including the C All-In-One reference and C For Dummies, click the links on the left side of the page.

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This site is the online companion to the various
C language For Dummies titles written by Dan Gookin,
published by John Wiley.