Open-source credits and reuse

Two MIT software sources support the local calculation and file output.

Prepared with AI assistance by Luminesca · Updated 11 October 2026 · Examples are synthetic.

sitemath

Selected structures from sitemath, tree 7b7dde803205a646f91f308984bb174dae590351, were adapted for rectangular wall/ceiling area, opening deductions and CSV escaping. Copyright (c) 2026 Sreenivas Sadhu Prabhakara. Full MIT licence.

Changes include decimal arithmetic, keeping precision until purchase rounding, rejecting impossible opening areas and protecting CSV text from spreadsheet formula execution. Its UI, brand, product coefficients and manufacturer PDFs are not included. Our product grouping, wallpaper model and page content are separate work.

decimal.js

decimal.js v10.6.0, commit 1a6e845004b29a3b7dcef78fe92b8d786634f4e2, is self-hosted for decimal calculations. Copyright (c) 2025 Michael Mclaughlin. Full MIT licence.

Original site materials

Room diagrams, layout and worked examples were prepared for Room Material Planner with AI assistance. Competitor research informed the task scope; their page text, logos and screenshots are not used.