Engineering Notes

Srivatsa yellakara

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About this app

Engineering Notes – 77+ Engineering Calculators, Converters & Utilities

Engineering Notes is an all-in-one engineering app designed for engineering students, engineers, technicians, educators, and professionals. It brings together engineering calculators, unit converters, technical utilities, reference tables, notes, checklists, and developer tools in one convenient app.

With 77+ tools covering mathematics, unit conversion, electrical, electronics, mechanical, civil, chemical engineering, physics, programming, and networking, Engineering Notes helps you calculate, convert, reference, and organize technical information — with most tools available offline.

🔢 Mathematics
• Scientific Calculator with history
• Number System Converter (Binary, Octal, Decimal, Hex)
• Statistics Calculator (Mean, Median, Mode, Standard Deviation, Regression)
• Matrix Calculator (Add, Multiply, Determinant, Inverse, Transpose, Eigenvalues)
• Quadratic Solver with step-by-step solutions
• Percentage Calculator
• Age Calculator
• Date Calculator
• Prime Number Tools
• GCD & LCM Calculator

🔄 Unit Converters
• Length
• Area
• Volume
• Mass / Weight
• Temperature
• Pressure
• Speed
• Energy
• Power
• Data Storage
• Angle
• Frequency
• Currency Converter (Online Only)
• Time Zone Converter

⚡ Electrical Engineering
• Ohm's Law Calculator
• Power Calculator
• Voltage Divider
• LED Resistor Calculator
• Resistor Color Code Decoder
• Capacitor Code Decoder
• Wire Size Calculator
• Voltage Drop Calculator
• Battery Calculator

🔌 Electronics
• 555 Timer Calculator
• RC Circuit Calculator
• Logic Gates Visualizer
• Truth Table Generator
• Boolean Simplifier

⚙️ Mechanical Engineering
• Torque Calculator
• Gear Ratio Calculator
• Spring Calculator
• Thermal Expansion Calculator

🏗 Civil Engineering
• Concrete Calculator
• Brick Calculator
• Steel Weight Calculator
• Beam Calculator – Bending Moment, Shear Force & Deflection

🧪 Chemical Engineering
• Molar Mass Calculator
• pH Calculator
• Interactive Periodic Table
• Gas Laws Calculator – Boyle's, Charles's, Gay-Lussac's & Ideal Gas Laws

⚛️ Physics
• Projectile Motion Calculator
• Motion Equations (SUVAT)
• Wave Calculator
• Optics Calculator – Lenses, Mirrors, Refraction & Snell's Law

💻 Programming Tools
• JSON Formatter
• Base64 Encoder / Decoder
• Hash Generator – MD5, SHA-1, SHA-256 & SHA-512
• UUID Generator
• Regex Tester
• QR Code Generator
• Color Picker – HEX, RGB, HSL, HSV & CMYK
• Password Generator
• Unix Timestamp Converter
• Text Tools
• JWT Decoder
• URL Encoder / Decoder
• Diff Checker

🌐 Network Tools
• Subnet Calculator
• IP Lookup (Online Only)
• DNS Lookup (Online Only)

📚 Engineering Reference
• Engineering Constants
• ASCII Table
• AWG Wire Table

🦺 Safety
• Electrical Safety Guide
• Lockout / Tagout (LOTO)
• Arc Flash Safety
• Personal Protective Equipment (PPE) Information

📝 Engineering Notes & Productivity
• Engineering Notes with Markdown support
• Organize notes with tags
• Checklists for engineering tasks and projects

🤖 AI Engineering Assistant
• AI-powered Engineering Assistant
• Get help with engineering concepts and questions
• Powered by Gemini
• Online Only

⭐ Features
✔ 77+ Engineering Tools & Calculators
✔ Engineering Notes with Markdown & Tags
✔ Most tools work fully offline
✔ Material Design interface
✔ Dark & Light themes
✔ Fast and easy-to-use tools
✔ Calculators for multiple engineering disciplines
✔ Technical reference tables and utilities

👨‍🎓 Perfect For
• Engineering Students
• Electrical Engineers
• Electronics Engineers
• Mechanical Engineers
• Civil Engineers
• Chemical Engineers
• Computer Engineers
• Network Engineers
• Technicians
• Educators
• Engineering Professionals

Some features, including Currency Converter, IP Lookup, DNS Lookup, and the AI Engineering Assistant, require an internet connection.

What’s new

🚀 Welcome to the new Engineering Notes!
++ V4.8
• Complete redesign with a modern experience
• New engineering tools and utilities
• Improved performance and stability
• Better navigation and usability
• Bug fixes and overall improvements

More powerful engineering tools are coming in future updates!