Simon Willison’s Weblog

Negative numbers in the Google Chart API. Stuart has some ingenious tricks for showing negative values on Google Charts, based on transforming the data to positive values and then relabeling the axes.

Posted 8th December 2007 at 9:03 am

Recent articles

Deep Blue - 15th February 2026
The evolution of OpenAI's mission statement - 13th February 2026
Introducing Showboat and Rodney, so agents can demo what they’ve built - 10th February 2026

google 396 google-charts 9 stuart-langridge 26

Monthly briefing

Sponsor me for $10/month and get a curated email digest of the month's most important LLM developments.

Pay me to send you less!

Sponsor & subscribe