Guides & How-tos · Worked examples · Real numbers

Home & Living guides

Step-by-step how-tos, head-to-head comparisons and honest roundups — every guide worked through with current figures, then backed by a RECATOOLS calculator or AI-directory entry so you can act on it.

498 guides published 17 topic areas Latest guide Oct 2026

Tagged Statistics · 2 guides

All 498 Developer Tools 68 AI & ML 63 Finance 52 Home & Living 46 Chinese Culture 43 Science 40

Close portrait of a calico cat with green eyes

Home & Living 6 min

A cat's age in human years is read off a chart printed with no stated basis

The usual cat-years chart gives 15 human years for a cat's first year, 24 by its second birthday and 4 for each year aft...

Amelia Wong

Pub. 12 Oct

Hands taking a paper rubbing of Chinese characters carved into a stone tablet

Home & Living 6 min

The 3,500 commonest Chinese characters mostly have an exact Mandarin homophone

By Unicode's Unihan 17.0 readings, 89% of the 3,500 first-level characters on mainland China's 2013 standard list share...

Eva Chin

Pub. 8 Oct