Domain Arrivals
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Featured in Domain Arrivals · 2026-08-16

CALC TOOLS: A Japanese Calculator Kit for Real-World Work

hyphamania.com ↗ · Useful Tools · score 84.0
○Open: public page gives enough substance to understand the site $Paid: pricing, booking, ecommerce, subscription, or paid access is visible ADAds: visible ad load or ad-supported content ✦Pretty: notable design, copy, craft, or presentation ◆Pro: polished, finished-feeling, serious, or operationally mature ◇Niche: specific audience, workflow, or unusually focused use case ◉Human: personal, local, community, civic, handmade, or real-person signal !Suspicious: scammy, spammy, trust theater, finance fog, or credibility concern

A free, registration-free collection of 19 browser calculators for DIY, construction, photography, cooking, music production, home equipment, and model making.

Why it surfaced

This is a particularly grounded tool collection: it calculates everything from roof pitch, rebar weight, mortar quantities, and dump-truck loads to baker’s percentages, lens angles, delay times, water-heater capacity, and paint thinner. The narrow calculators are designed for use on a smartphone when someone needs an answer on the job, in the kitchen, or at the workbench.

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The 240-Material Organ

August 16’s newborn domains include a 240-material perfume organ, a repeatedly saved JPEG cat, a ski tracker designed by a 15-year-old, and a searchable page claiming to contain 148,303 prescription records.

This is one of 1,000 discoveries in the 2026-08-16 Domain Arrivals issue.

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Three more arrivals

Fall Line Counts Every Foot on the Mountain falllineskiing.com

Fall Line is a purpose-built ski tracker that records vertical, runs, and speed from a small one-button device, without keeping a phone running all day.

 299 WORKS: A Model Maker Builds the Tools He Needed 299modelworks.com

A Japanese maker portal combining scale-model galleries, detailed build journals, Blender add-ons, 3D-printing experiments, and a searchable paint reference tool.

 Sugarcane's Weather Station passingweather.com

A private, on-device mood-and-wellbeing notebook that turns a day into a small weather report.