Changelog
A dated record of updates, new features, and bug fixes.
v2.0May 2026
- +Launched 8 sister calculators: Matrix Inverse, Determinant, Gauss-Jordan, Matrix Multiply, Transpose, Cross Product, Dot Product, Simplify Radicals
- +Added 6 educational guide pages on linear algebra topics
- +Added E-E-A-T pages: About, Editorial Policy, Methodology, Sources, Contact
- +Added full legal pages: Privacy Policy, Terms, Cookie Policy, DMCA, Accessibility
- +Implemented MathSolver schema markup on all calculator pages
- +Added AdSlot placeholders for Google AdSense integration
- +Updated sitemap to include all 25+ pages
- +Fixed KaTeX CSS SRI integrity hash causing CSS load failure
- +Expanded homepage content to 4000+ words with worked examples and 20-question FAQ
v1.1April 2026
- +Added save/load calculation history (last 10 calculations stored in localStorage)
- +Added URL encoding for sharing problems via link
- +Added LaTeX export for full step-by-step solutions
- +Added 8 example matrices (pre-loaded problems)
- +Improved augmented matrix solution display with parametric form for infinite solutions
- +Added solution classification: unique, infinite (with free variables), inconsistent
- +Performance improvement: KaTeX loaded lazily to reduce initial bundle size
v1.0March 2026
- +Initial launch of RREF Calculator
- +BigInt-based exact rational arithmetic engine
- +Full Gauss-Jordan elimination with step-by-step display
- +Augmented matrix mode with toggleable last-column separator
- +Matrix size selection: 2×2 through 6×6, plus custom sizes
- +Quick-select preset sizes (2×2, 2×3, 3×3, 3×4, 4×4)
- +Verbose and terse step display modes
- +Mobile-responsive matrix input grid
- +Tab and arrow key navigation between cells
- +Fraction input parsing (e.g., "3/4" → exact rational 3/4)