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📋 What's New

Every update, new calculator, and improvement — newest first.

Massive expansion: Comparisons, peptide deep-dives, and smart features
Added 10 side-by-side comparison guides (semaglutide vs tirzepatide, BPC-157 vs TB-500, Roth vs Traditional IRA, 15-year vs 30-year mortgage, and more). Built 14 individual peptide deep-dive pages with embedded calculators, dosing tables, protocol guides, and FAQs. Added body-weight dosing calculator (mcg/kg). New smart features: calculator history in the mobile bottom nav, "Was this helpful?" feedback on every page, related calculator suggestions, and print stylesheets.
Peptide Hub launched + 17 legal calculators
Launched a complete peptide resource hub at /peptides/ with individual pages for every major peptide. Built the GLP-1 titration tracker, peptide stack calculator, and peptide storage calculator. Added 17 legal calculators covering employment law, family law, personal legal, IP, and business law — each with a prominent educational disclaimer.
500 calculators reached + syringe visual rebuilt
Rebuilt the peptide reconstitution calculator from scratch with a working SVG syringe visual, mg/mcg toggle, live updates, and step-by-step instructions. Fixed 7 user-facing calculation bugs (tip calculator division by zero, cholesterol HDL guard, race pace zero-time guard, and others). Added 42 new calculators across peptides, biohacking, crypto, AI, advanced fitness, and emerging finance.
Site launch: 500 calculators across 9 categories
Initial launch of nnng.com with 424 free calculators spanning finance, health, math, science, conversions, date/time, everyday, construction, and business. Features include dark/light mode, compare mode (A/B side-by-side), URL permalink sharing, CSV export, PDF print, and embed widget.