--- pheebo - AI Math Expression Checker for Chrome AI makes mistakes. pheebo guards your back. Get instant solutions to mathematical expressions while reading ChatGPT or Claude. Free, no account required. --- WHAT IS PHEEBO? pheebo is a browser extension that helps you verify AI mathematical solutions instantly and catch calculation errors before they cause problems. Whether you're: - Checking AI-generated math from ChatGPT or Claude for mistakes - Teaching or tutoring others and need to spot errors quickly - Working through technical problems that require accuracy pheebo saves you time by automatically detecting and solving expressions, helping you identify errors in real-time. --- TWO MODES FOR YOUR NEEDS Selection Mode - Manually select any mathematical expression - Get instant solutions in a tooltip - Works on ChatGPT and Claude - Detects simple fractions (1/2) and complex expressions - Perfect for quick verification and spot-checking Automatic Mode - Automatic expression detection scans entire pages - Automatically highlights math expressions as you read - Real-time solutions without clicking anything - Advanced recognition: visual fractions, LaTeX formulas, scientific notation - Ideal for intensive study sessions and research TIP: Ask ChatGPT or Claude to "show steps" or "show all computations" for better results --- KEY FEATURES - Detects mathematical expressions from simple math to complex formulas - Works seamlessly on ChatGPT and Claude AI platforms - Catches calculation errors and mistakes instantly - Handles LaTeX notation and scientific expressions - Expression counter tracks correct/incorrect solutions - Zero ads, zero tracking - Lightweight and fast — all processing runs locally in your browser, no data sent to external servers --- PERFECT FOR Students — Verify homework solutions and catch errors in AI-generated explanations Educators — Quickly check student work and spot mistakes in AI responses Professionals — Validate technical calculations in real-time without disrupting workflow AI Users — Confirm ChatGPT and Claude outputs instantly, catching calculation mistakes --- HOW TO USE 1. Install pheebo — no signup, no account, no subscription 2. Selection Mode: frame any math expression and click Solve 3. Automatic Mode: switch in the popup and hover over detected expressions 4. See solutions instantly in tooltips --- PRIVACY - All math evaluation runs locally in your browser using math.js — nothing is sent to external servers - No ads, no tracking, no data selling - Complies with Chrome Web Store security requirements --- SUPPORTED EXPRESSIONS - Basic math: 2 + 3 = 5, 10 × 5 = 50 - Fractions: 1/2, 3/4, visual fractions - Scientific: 1.5e3, superscripts (2², 3³) - Complex: (2 + 3) × 4, √16 + 2³ - LaTeX: \frac{1}{2}, \sqrt{x} - Units: 5 km = 5000 m, 100°C = 212°F --- START NOW No account. No subscription. No credit card. Install and go.