v9.5 — Technical checklist, plywood and international standards
JCE v1.2
April 2026
Added accordion "Subfloor Inspection / Quality Control"
— 6‑point checklist (flatness, moisture, temperature, etc.) based on
SP 71.13330.2017 / NWFA / DIN / ASTM
Master‑check "All parameters are within norm" —
confirms all checklist items with one click
Plywood selection added (Interior Grade Baltic
Birch 5'×5' / Exterior WBP 4'×8') with automatic calculation of
sheets, cut panels, subfloor fasteners and adhesive in the PDF
estimate
Checklist and plywood moved to a separate PDF page
(before the object photo)
Brought back the floating notebook button on PC for quick access to
saved calculations
Performance optimizations and UI refinements
v9.4 — Photo in PDF estimate and print form improvements
JCE v1.2
April 2026
Added ability to attach object photo — image is
selected from gallery, saved in notebook (📎 icon appears) and
included in PDF estimate
Added fields to printed estimate: "Estimate"
(project name) and "Room" — for easy project identification
Photo in PDF is centered, scaled, and printed on a separate page
Privacy: all photos are processed locally in your
browser — no data is sent to the server or stored by us
Fixed minor bugs and improved notebook stability
v9.3 — Calculation Notebook and PDF Estimate
JCE v1.2
March 2026
Added "Calculation Notebook" — save results locally
(IndexedDB)
Added printable estimate (PDF) — professional
document with logo, ID, date, time, material table and cost
All calculations are stored only in your browser
Data never leaves your device and is not accessible to us
Calculation history is deleted when you clear your browser data