📚 12 projects · free to use · no sign-up
Every project and subsite on michaelleung.info, written up as one entry each — economics explainers, games, maths lessons, price tracking, event photography, and deal hunting. All free to use, no sign-up.
Explainers on rates, housing, tax and wages — with charts, in English and 繁體中文.
CPI rose 26.8% and hourly wage rates just 20.8% from pre-COVID to June 2026 — and the average hides the real story. Open the basket: insurance +54%, housing +34% — every essential outran pay packets. With charts. In English and 繁體中文.
Read the full analysis →From 1 October 2026 the checkout surcharge is gone — but the cost moved, it didn’t vanish. Merchants told the RBA they’d fold card fees into sticker prices, interchange caps fell 0.8% → 0.3%, grandfathered no-annual-fee Amex cards now carry a $99 rewards fee, and CommBank is closing Awards. With charts, the Amex loophole, and the cashless question. In English and 繁體中文.
Read the full analysis →100bp of RBA rises, the Tax Reform No. 1 Act and the uncapped 5% deposit scheme — what the three together are doing to house prices in each capital city, from Sydney’s −7.1% slide from its peak to Darwin’s record run. With the negative-equity question facing 5%-deposit buyers. In English and 繁體中文.
Read the full analysis →The Reserve Bank raised Australia’s cash rate to 4.60 per cent on 29 September 2026 — its fourth rise of the year. What it costs households: about $120 a month per rise on a $735,000 mortgage, $333 so far — plus the government spending and inflation debate. In English and 繁體中文.
Read the full analysis →Australia's unemployment rate rose to 4.6 per cent in August 2026 — even as 39,500 more people found work. With inflation still too high and the RBA holding at 4.35 per cent after three hikes this year, here is the call on the next move. In English and 繁體中文.
Read the analysis →Research write-ups, maths lessons and free browser games for the family.
A free 3D times tables game for ages 5 to 12. Walk an explorer around a new island every game, answer the sum on each treasure chest to open it, then build a rocket, lighthouse or castle. No adverts, no shop, no sign-up.
See how it works →About half of Year 12 completers go straight to university (52.6% in NSW), while Australia sits above the OECD average for tertiary attainment (57% vs 48%). The other half take apprenticeships, TAFE certificates or jobs — and TAFE is now the fastest-growing sector, with 5.1 million VET students. AI research compiled and fact-checked from public sources. In English and 繁體中文.
Read the research →Fun perimeter games and maths lessons for kids — calculate the perimeter of rectangles, triangles, and composite shapes through play. Built for classrooms and home learning.
Open Perimeter Playground →Four free browser games: 3D Chess (play vs AI), 3D Chinese Chess / Xiangqi, Othello with three difficulty levels, and Fraction Pizza Party for practising fractions. Works on computer, tablet, and phone.
Play the games →Event photography, the weekly supermarket price archive, and tech deal tracking.
28 photos from UQ Lakes on 5 October 2026, with no faces. How far the jacaranda bloom had got, the retired gardener who planted more than 130 of UQ’s jacarandas, the exam legend, the lake’s renewal, and the best spots to see them. In English and 繁體中文.
See the photos →A photo gallery of the Gold Coast Show 2026 (29 August 2026) — 87 photos of the free-entry family event, with all visitor faces automatically privacy-blurred.
View the gallery →The complete archive of weekly AI-powered Coles vs Woolworths price comparisons across Australia, updated every week in English and 繁體中文, with a full 2025 archive for trend watching.
Compare this week's prices →An AI-powered top-10 tech deal tracker across JB Hi-Fi, The Good Guys, and Harvey Norman — discount percentages and sale end dates, refreshed regularly.
See today's deals →Looking for articles instead? Read the latest news — AI-assisted coding, developer tools, and productivity →
