Observed arrival · 2026-09-04

EcoCalcula: três calculadoras de engenharia abertas

ecoengineerging.com Observed source

Editorial interest 79/100 Selection signal · not a rating of the site

A Portuguese-language site offers free calculators for solar power, construction costs, and electrical installations, alongside custom software work.

Landing page captured for the 2026-09-04 issue.

Field notes

EcoCalcula exposes three calculation paths: solar sizing and payback, construction costing and material quantities, and electrical installation sizing. Inputs include location, electricity usage, building area, construction standard, load, distance, and installation method. The site cites public indices, Brazilian technical standards, and Lei 14.300/2022, while stating that its outputs are estimates and do not replace a project signed by a CREA- or CAU-registered professional.

Observed signals

Read the marks

Editorial observations of this landing page, not a rating.

○OpenPublic substance visible

✦PrettyNotable craft visible

●ProPolished or operationally mature

◎NicheUnusually specific use

◉HumanPersonal, local, civic, or handmade

One card from the complete issue

An Octave Below the Spacecraft

377,806 arrived 1,000 judged 998 catalogued Enter the complete issue