THE VIDEO SHELF · floating point numbers
Floating Point Numbers - Computerphile
Tom Scott explains for Computerphile how floating point numbers work, why moving the binary point is fast, and why it handles money badly.
Why HN readers recommended it
Recommended as a simple, fun explanation of why floating point gives odd errors like 0.1 + 0.2.
This is a summary from the source dataset, not an endorsement by Hacker News or the video creator.
Video & recommendation details
- Creator / channel
- Computerphile
- Topic
- floating point numbers
- Format
- explainer
- Level
- intro
- HN recommenders in dataset
- 2
- HN mentions in dataset
- 3
- Recommendation years in dataset
- 2015–2023
These counts and years describe the included Hacker News records; they are not YouTube views or the video’s publication date.
From the original HN conversations
Excerpts from the recorded comments. Follow each source for the full comment and surrounding discussion.
Recommended: Floating Point Numbers - Computerphile [VIDEO] Tom Scott's fun and simple take on Floating Points is a good video explaining why such weird errors happen
felipesabino on Hacker News · 2015-11
In 0.30000000000000004Short answer, no decimal in binary and math is hard. :) Here's a couple handy videos explaining it: [VIDEO] [LINK]
microwavecamera on Hacker News · 2017-06
In Why do programming languages suck at math?
Summaries, classifications and recommendation records are from the HackerTube source dataset. Read about this library and its limitations.