CALC by Webb Labs

AI tutor, graphing, statistics, 200+ calculators, student mode, widgets.

200+ calculators in one app — 51 completely free — with a built-in AI math tutor.

GRAPHING CALCULATOR
Plot multiple equations simultaneously. Pinch to zoom, tap to trace coordinates. Auto-finds roots, intersections, min/max. Cartesian, parametric, polar. Export as PNG.

ADVANCED STATISTICS
Hypothesis testing (z, t, chi-squared), probability distributions (normal, t, F, binomial, Poisson), confidence intervals. Full academic stats toolkit.

MATH AI TUTOR
Type or photograph any problem for step-by-step solutions. Export as PDF/PNG/LaTeX. Free to try, unlimited with Premium.

STUDENT MODE
Graphing, Statistics, Equation Solver & Math AI in one study hub. Exam prep, practice problems, and Homework Mode.

51 FREE CALCULATORS
Standard, Scientific, Percentage, Tip, Discount, Easy Calc, BMI, Loan, Statistics, Geometry, Unit Converter (100+ units), Currency (160+ live rates), Unit Price, Fraction, Exponent, Simple Interest, Sales Tax, Salary, Date & Time, Hours, Countdown, Time Zone, Square Footage, Fuel & Mileage, Random Number, Password, Split Bill, Love Calc, Quadratic Solver, Triangle Solver, Pythagorean Theorem, LCM & GCF, Roman Numerals, Ohm's Law, Ideal Weight, Water Intake, Running Pace, Paint Calc, Grade Calc, Age, Pet Age, Coffee Ratio, Speed/Distance/Time, Math AI

PREMIUM — 154 modes across 25 categories

FINANCIAL (50): Mortgage, Auto Loan, APR, APY, Investment, Savings, Tax, Credit Card Payoff, Student Loan, Refinance, Compound Interest, Amortization, Commission, Margin, ROI, NPV/IRR, Net Worth, Budget, Retirement/401k, FIRE, Dividend, Capital Gains Tax, Crypto P&L, VAT/GST, Rental Income, Freelancer Rate, Emergency Fund and more

HEALTH (16): TDEE, Body Fat, Macros, Heart Rate Zones, One Rep Max, Sleep Cycle, Ovulation, Due Date, Child Growth, VO2 Max, and more

MATH (25): Equation Solver, Graphing, Matrix, Polynomial, Logarithm, Integral, Derivative, Trig, Complex Numbers, Combinations & more

SCIENCE (11): Resistor Code, Capacitor, Decibel, Projectile Motion, Molar Mass, pH, Dilution, Radioactive Decay, and more

CONSTRUCTION (16): Flooring, Tile, Roofing, Lumber, Pool, Insulation, Staircase, Electrical Load, and more

TECH (16): Subnet, Bandwidth, Hash, Color Converter, ASCII, Base64, URL Encoder, Aspect Ratio, Screen Resolution, and more

EDUCATION (14): Exam Prep, Final Grade Needed, College Savings, Coordinate Geometry, Volume & Surface Area, and more

EVERYDAY (15): Cooking, Wedding Budget, Moving Cost, Gift Splitter, Clothing Size, and more

TRAVEL (6): Road Trip Cost, Jet Lag, Flight Carbon, Packing Weight, Hotel Cost, Currency Budget

Cloud sync, annotated history, CSV/PDF export, 6 themes, widgets, no ads.

PRIVACY FIRST
Math AI uses encrypted APIs — never stored or used for training. OCR is on-device. Financial data is local-first.

ACCESSIBLE TO EVERYONE
TalkBack, WCAG 2.1 AA contrast, 48dp+ touch targets, 59 languages.

Download CALC today — 51 calculators free, Math AI free to start, Premium unlocks everything.