How many Indonesian words can you make from seven letters
A random rack of seven letters makes a median of at least 23 Indonesian words, but a word using all seven turns up for o...
Guides & How-tos · Worked examples · Real numbers
Do it right, with real numbers
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.
510 guides published
17 topic areas
Latest guide Oct 2026
Statistics
35
Health & Wellness
33
Cybersecurity
30
Business
19
Privacy & Data
17
Consumer Tech
14
ASEAN Tech
13
Personality
9
Cloud & Infra
8
Cyber Threat Intel
7
Sustainability
5
Advertisement
The most common Chinese typos are homophones
Most Chinese typos are the right sound and the wrong character, picked from a pinyin keyboard's row of candidates. Some...
Choosing an English name from your Chinese name, by sound or meaning
Research describes three ways people come by an English name: one that sounds like their Chinese name, one chosen for me...
Who wrote the Zhou Gong dream book, and why copies disagree
No dream book can be traced to the Duke of Zhou. His name most likely came to the genre through a line of Confucius. The...
Why China withholds more tax from the same salary by December
A ¥20,000 salary in China is withheld ¥318 in January and ¥1,060 from May. The tax is annual and the payslip is a runnin...
What CSS ease and ease-in-out actually do
The default CSS easing, ease, is 80% of the way there at half the time, and it does not start from rest. We evaluated th...
What CPM, CPC and CPA actually count
The industry's own guideline for a served ad impression says it does not require any part of the ad to be visible. CPM,...
What colours mean in Chinese culture, and which meanings have a source
Red means luck, and at a Singapore funeral it also means protection. But the oldest Chinese text on colour names six col...
How much MPF comes out of your salary in Hong Kong
You and your employer each pay 5% of your relevant income, you pay nothing below HK$7,100 a month, and neither of you pa...
What Chinese AI video generators cost, and whether you can pay from Singapore
You can sign up for most Chinese AI video generators with just an email, and none of their open-weight licences excludes...
Do DeepSeek and Qwen need different prompts from ChatGPT
"Avoid adding a system prompt" is the most-repeated rule about prompting Chinese models, and DeepSeek's own current docu...
Chinese character riddles, and how to solve them
一口咬掉牛尾巴 — one mouth bites off the ox's tail. Bite the tail off 牛, put 口 underneath, and you have written 告. Th...
Advertisement