What is The Oat?

The ultimate calculation experience in your pocket. Fast, reliable, and beautifully designed for modern users.

How The Oat Works

Solve any mathematical problem in seconds. Not just basic addition and subtraction, but also decimals and fractions with extreme precision.

• ✓ Advanced Operations (×, ÷, %)
• ✓ Decimal & Fraction Support
• ✓ Ultra-Fast Processing
• ✓ Error-Free Results

Scientific Calculations

Go beyond basics with our advanced scientific mode. The Oat handles complex equations, trigonometry, and logarithms with ease.

• ✓ Complex Algebraic Equations
• ✓ Trigonometry (Sin, Cos, Tan)
• ✓ Logarithms & Power Functions
• ✓ Real-time Graphing Support

Health & Fitness Tools

Track your wellness journey with precision. The Oat helps you calculate your BMI, daily calorie needs, and hydration levels to keep you in perfect shape.

• ✓ Instant BMI & Body Fat Calculation
• ✓ Daily Calorie & Macro Tracker
• ✓ Water Intake & Hydration Goals
• ✓ Ideal Weight & Fitness Planning

Lifestyle & Productivity

The Oat is your everyday companion. These features solve common dilemmas instantly without needing a dozen separate apps.

• ✓ Unit & Currency Converters
• ✓ Fuel Consumption & Trip Costing
• ✓ Date & Time Duration Calculators
• ✓ Tip & Bill Splitting Tools

Privacy & Security

A unique layer of protection. Use the calculator interface as a secure front for hidden storage. Your private files are only a secret code away.

• ✓ Hidden Photo & Video Vault
• ✓ Fake PIN Decoy Protection
• ✓ Military-Grade Encryption
• ✓ Intruder Selfie Alerts

Finance & Tax Tools

Manage your money like a pro. From income tax to mortgage loans, The Oat provides precise financial calculations for your daily life.

• ✓ Accurate Tax & GST Calculations
• ✓ Loan & EMI Interest Trackers
• ✓ Business Accounting Essentials
• ✓ Discount & Profit Margin Tools

AI-Assisted Tutoring

Don't just get the answer—understand the logic. The Oat provides AI-powered explanations that break down complex solutions step-by-step, helping you master the "why" behind every math problem.

• ✓ Interactive Step-by-Step Guidance
• ✓ Deep Concept Explanations
• ✓ Personalized Learning Experience
• ✓ 24/7 Virtual Math Support

Natural Language Input

Talk to your calculator like a friend. No more searching for symbols—just type or speak questions like "What is 15% of $85?" and get instant answers.

• ✓ Smart Voice Recognition (Speech-to-Math)
• ✓ Conversational Query Processing
• ✓ No Complex Formulas Needed
• ✓ Multi-Language Support

Inclusive Accessibility

The Oat is built for everyone. With voice-activated calculations and audible results, our app ensures that visually impaired users can calculate with confidence and ease.

• ✓ Audible Button Press Feedback
• ✓ Clear Voice Announcements of Results
• ✓ Voice Commands for Complex Math
• ✓ High-Contrast Screen Modes

Easy-to-See Interface

Accessibility is at our core. The Oat offers specialized high-contrast themes and massive buttons designed specifically for low-vision and neurodivergent individuals, making math effortless for everyone.

• ✓ Extra-Large Touch Targets
• ✓ Ultra High-Contrast Themes
• ✓ Simplified Distraction-Free Layout
• ✓ Guided Visual Feedback

Interactive History

Never lose a calculation again. The Oat's smart history lets you label past results, save them as variables, or restore and edit previous equations with a single tap.

• ✓ Custom Labeling for Every Result
• ✓ Save Values as Reusable Variables
• ✓ Tap to Restore & Re-run Equations
• ✓ Cloud Sync Across All Devices

Floating Mini Mode

Master multitasking with ease. Our picture-in-picture style floating calculator stays on top of your web browser, PDF reader, or any other app for a truly seamless experience.

• ✓ Picture-in-Picture Floating Window
• ✓ Adjustable Transparency & Size
• ✓ Quick-Access Overlay Toggle
• ✓ Drag-to-Move Anywhere on Screen

Formula Library

Everything you need in one place. Built-in databases for Math, Physics, and Chemistry formulas allow you to find concepts instantly without flipping through textbooks.

• ✓ Quick-Search Concept Database
• ✓ Physics, Math & Chemistry Essentials

Child-Specific Mode

Make math fun for the little ones! The Oat for kids uses large, colorful buttons and engaging graphics to teach basic arithmetic and develop critical thinking in a friendly environment.

• ⭐ Bright & Engaging Interface
• ⭐ Simple Logic Puzzles
• ⭐ Reward-based Learning

Numeral System Converters

Bridge the gap between human and machine logic. The Oat provides seamless switching between Binary, Octal, Decimal, and Hexadecimal formats—essential for developers and computer science students.

• ✓ Real-time Multi-format Conversion
• ✓ Supports Large Bit-depth Calculations
• ✓ Instant Hex-to-RGB Previews

Symbolic Calculation (CAS)

Go beyond mere numbers. The Oat’s Computer Algebra System (CAS) performs complex algebraic operations on symbols—allowing you to factor polynomials, simplify expressions, and solve for variables effortlessly.

• ✦ Polynomial Factoring & Expansion
• ✦ Automatic Expression Simplification
• ✦ Exact Fractions & Radical Support

Smart Copy & Paste

Seamlessly move your data. Long-pressing the main result allows you to copy it instantly for use in other apps, or paste in complex numbers from external documents without manual typing.

• ✓ Long-press to Copy Result
• ✓ Paste External Data Instantly

Space & Astronomy

Explore the cosmos with specialized celestial tools. From calculating light years to tracking planetary positions and astronomical events.

• ✓ Light Year & Parsec Converters
• ✓ Planet Weight & Gravity Calc
• ✓ Orbital Velocity & Escape Velocity
• ✓ Zodiac & Celestial Alignments

Job & Salary Tools

Plan your career finances with precision. The Oat helps you calculate your take-home pay, overtime earnings, and annual bonuses while accounting for taxes and deductions.

• ✓ Net Pay & Tax Deduction Estimators
• ✓ Overtime (OT) & Hourly Rate Calculators
• ✓ Freelance Project Costing & Quotes
• ✓ Retirement & EPF/ETF Savings Projections

Bills & Loan Management

Simplify your financial life. The Oat helps you split dinner bills with friends, calculate loan interests, and manage monthly EMIs without any stress.

• ✓ Effortless Bill & Tip Splitting
• ✓ Advanced Loan Interest Calculators
• ✓ Monthly EMI & Amortization Schedules
• ✓ Tax-Inclusive Billing Solutions

Motivation Library

Fuel your ambition daily. The Oat provides a curated collection of powerful quotes, success stories, and mindfulness prompts to keep you focused on your goals.

• ✦ Daily Inspirational Mantras
• ✦ Financial Growth Mindset Tips
• ✦ Curated Success Book Summaries
• ✦ Custom Affirmation Builder

Free Learning Paths

Master your money without spending a dime. The Oat provides structured, bite-sized lessons to take you from financial basics to advanced wealth management.

• 01 Foundational Budgeting 101
• 02 Understanding Debt & Interest
• 03 Smart Saving & Investment Logic
• 04 Interactive Quizzes & Milestones

The Oat Notes

Capture ideas at the speed of thought. The Oat Notes provides a lightning-fast, AI-joined notepad experience that feels real, allowing you to share and collaborate on your sketches and formulas instantly.

• ✦ Free & Fast Cloud Sync
• ✦ AI-Joined Collaborative Pad
• ✦ Feels Like Real Paper Ink
• ✦Save Notes And Share It

The Oat Calendar

Experience the future of scheduling. The OatCalendar isn't just a grid; it's an AI-joined ecosystem that syncs your life with your team and goals in real-time.

• ✓ Smart AI-Joined Timelines
• ✓ Collaborative Event Planning
• ✓ Visual Habit Tracking Integrations

The Oat Academy

Learning is a game, and you’re winning. Engage with AI-generated online papers, earn XP for every solved formula, and unlock fully animated, verifiable certificates as you level up.

• 🏆 Animated Smart Certificates
• 📝 AI-Generated Online Practice Papers
• 🎮 XP, Badges & Level-up System

The Oat | Memory AI

Master any subject with AI-generated study aids. Instantly transform your long lectures into interactive Flashcards, Sticky Notes, and Memory Games designed to make information stick forever.

• ⚡ Instant Flashcard Generator
• ⚡ Smart Sticky Notes for Key Concepts
• ⚡ AI-Powered Memory Recall Games

Unlimited Access.
Zero Cost.

Financial freedom shouldn't come with a monthly fee. Enjoy every feature of The Oat—from complex loan tracking to our full motivation library—completely free, forever.

How about our Oat?

Don't just take our word for it. See how The Oat is helping thousands of users manage their daily calculations and lifestyle needs effortlessly.