Downloads
Engineering Notes – 77+ Engineering Calculators, Converters & Tools
AppBrain's verdict
Established- Installs
- 16 thousand
- Last updated
- August 29, 2026
- Ads
- Contains ads
- Size
- 31.6 MB
Engineering Notes has 16 thousand installs. It doesn't have enough ratings yet to judge what users think.
User feedback
Ratings and reviews on Google PlayComments on Engineering Notes for Android
Store listing
By Srivatsa yellakara, from Google PlayDescription by Srivatsa yellakara Written by the developer, not by AppBrain. Click to read.
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.
Recent changes:
🚀 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!
Safety and technology
Found in the app by AppBrain- Ads
- Contains ads
- Price
- Free
- Libraries
- ?
- App size
- 31.6 MB
- Content rating
- Everyone
Technologies used by Engineering Notes
Releases
Updates seen on Google Play- Version
- 4.8
- Launched
- June 2019
- Aug 29, 2026UpdateVersion 4.8
- Aug 6, 2026CategoryMoved from Education to Productivity
- Jul 11, 2026UpdateVersion 4.7
- Sep 14, 2021Installs10,000+ installs
- Nov 10, 2020Installs5,000+ installs
Alternatives
Similar apps and more from Srivatsa yellakaraAlternatives to Engineering Notes
More from Srivatsa yellakara
Installs
Tracked by AppBrain- Last 30 days
- 140
- Play install range
- 10+ thousand
- Launched
- June 2019
Installs over time
Engineering Notes has been installed 16 thousand times. Over the past 30 days, it has been installed 140 times.
Rankings
Google Play top chartsGoogle Play Rankings for Engineering Notes
About the app and developer
About Engineering Notes
Engineering Notes is a productivity app developed by Srivatsa yellakara.
Install Statistics
Engineering Notes has been downloaded 16 thousand times. In the last 30 days, the app was downloaded 140 times.
User Ratings
The app has no ratings yet.
App Information
Engineering Notes is freely available from Google Play. The APK size is 31.58 MB. The latest APK version available is 4.8. The last update was on August 29, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on Google Play since June 2019.
Engineering Notes is made and published by Srivatsa yellakara. AppBrain is an independent app data site and isn't affiliated with Srivatsa yellakara. The app name, icon, screenshots and description belong to Srivatsa yellakara and are shown as published on Google Play.
App Performance Report
Get a detailed PDF report for Engineering Notes with download trends, rating history, and key performance statistics — useful for competitive research or tracking your own app. Learn more
Get PDF Report — $29Developer information for Srivatsa yellakara
Frequently asked questions about Engineering Notes
Is Engineering Notes free?
Yes. Engineering Notes is free on Google Play.
Is Engineering Notes still available?
Yes. Engineering Notes is on Google Play, and the last update we saw was on August 29, 2026.
Does Engineering Notes contain ads?
Yes. Google Play lists Engineering Notes as containing ads.
How large is Engineering Notes?
Engineering Notes is 31.58 MB.
Is Engineering Notes suitable for children?
Google Play rates the content of Engineering Notes as suitable for everyone.
How many times has Engineering Notes been installed?
Google Play lists 10,000+ installs for Engineering Notes.
Who made Engineering Notes?
Engineering Notes was developed by Srivatsa yellakara. It is listed in the productivity category on Google Play.
What are the best alternatives to Engineering Notes?
People looking at Engineering Notes also look at these productivity apps: Engineering Mathematics, Civil Engineering Pack, Mechanical Engineering One Pro, Civil Engineering Notes, Unit Converter for Metric.
Share Engineering Notes
Subscribe now to get full and unlimited access to AppBrain Intelligence. You'll have access to:
- App Intelligence dashboard (performance timeline, competitor comparison, country rankings, insight cards)
- Detailed ranking data per app
- Full timeline per developer
- Device market shares data per country
- Unlimited keyword tracking
AppBrain is an app data site, we track rankings, ratings, installs for all apps and games on Google Play and the App Store. AppBrain doesn't host app files or APKs, all install links go directly to the official store. All trademarks are owned by their respective owners.
More apps
App statistics