CALC by Webb Labs

CALC — Smart Calculator + AI Math Tutor

200+ calculators in one app — 51 completely free. Graph equations, solve algebra, run statistics, plan finances, and get step-by-step AI help — all in one place.

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

ADVANCED STATISTICS
z-tests, t-tests, chi-squared, and hypothesis testing. Normal, binomial, Poisson, t, F distributions. Confidence intervals. A full stats toolkit built in.

MATH AI TUTOR
Photograph or type any problem — get clear step-by-step solutions. Export as PDF, PNG, or LaTeX. Free to try, unlimited with Premium.

PHOTO-MATH OCR
Point your camera at any equation and solve it instantly. Fully on-device. Handwriting recognition included.

STUDENT MODE
Graphing, Statistics, Equation Solver, and Math AI in one study hub. Exam prep across 5 subjects, practice problems, and Homework Mode with full solutions.

51 FREE CALCULATORS
Standard, Scientific, Percentage, Tip, Discount, Easy Calc, BMI, Loan, Statistics, Geometry (14 shapes), Unit Converter (100+ units), Currency Converter (160+ currencies), Unit Price, Fraction, Exponent, Simple Interest, Sales Tax, Salary, Date & Time, Time, Hours, Countdown, Time Zone, Square Footage, Fuel & Mileage, Random Number, Password, Split Bill, Love Calc, Random Name, 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 Tutor

CALC PREMIUM — 154 modes across 25 categories
Financial (50): Mortgage, Auto Loan, APR, APY, Investment, Savings, Tax, Credit Card, CC Payoff, Student Loan, Refinance, Compound Interest, Amortization, Commission, Margin, Markup, Break-Even, ROI, NPV/IRR, Net Worth, Budget, Car Lease, Business Loan, Debt Payoff, Depreciation, Bonds, Retirement/401k, FIRE, Dividend, Capital Gains Tax, Dollar Cost Averaging, Crypto P&L, VAT/GST, Rental Income, Property Tax, Freelancer Rate, Employee Cost, Invoice, Expense Ratio, Emergency Fund and more

Health (16): TDEE, Body Fat, Fitness, Pregnancy, BAC, Macros, Heart Rate Zones, 1RM, Sleep Cycle, WHR, Ovulation, Due Date, Child Growth, VO2 Max

Math (25): Equation Solver, Matrix, Graphing, Polynomial, Logarithm, Vector, Integral, Derivative, Prime Factors, Trig, Complex Numbers, Combinations & more

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

Construction (16): Flooring, Tile, Roofing, Lumber, Brick, 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

Every day (15): Cooking, Wedding Budget, Moving Cost, Gift Splitter, Clothing Size, Ring 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, currency alerts, no ads.

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

ACCESSIBLE TO ALL
VoiceOver, WCAG 2.1 AA contrast, large touch targets, 59 languages.

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