September 2018
Beginner
360 pages
9h 28m
English
Content preview from Get Programming with Go
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Lesson 6. Real numbers
After reading lesson 6, you’ll be able to
- Use two types of real numbers
- Understand the memory-versus-precision trade-off
- Work around rounding errors in your piggy bank
Computers store and manipulate real numbers like 3.14159 using the IEEE-754 floating-point standard. Floating-point numbers can be very large or incredibly small: think galaxies and atoms. With such versatility, programming languages like JavaScript and Lua get by using floating-point numbers exclusively. Computers also support integers for whole numbers, the subject of the next lesson.
Consider this
Imagine a carnival game with three cups. The nearest cup is worth $0.10 to $1.00, the next is worth $1 to $10, and the farthest cup is worth ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.