Scientific math Calculator

Kexue Calculator is a powerful scientific calculator designed for students, engineers, and anyone who needs advanced mathematical capabilities. With a clean, intuitive interface and comprehensive features, it goes beyond basic calculations to solve complex problems.

KEY FEATURES:

SCIENTIFIC CALCULATOR
- Basic arithmetic: addition, subtraction, multiplication, division
- Advanced functions: powers, roots, logarithms, exponentials
- Trigonometry: sin, cos, tan and their inverses
- Angle modes: degrees, radians, and gradians
- Constants: pi, e, and more
- Parentheses support for complex expressions

GRAPHING CAPABILITIES
- Plot multiple functions simultaneously
- Interactive zoom and pan
- Trace function values
- Export graphs as images

MATRIX OPERATIONS
- Matrix addition, subtraction, multiplication
- Matrix transpose and inverse
- Determinant calculation
- Support for various matrix dimensions

COMPLEX NUMBERS
- Full complex number arithmetic
- Polar and rectangular forms
- Complex functions support

VECTOR CALCULATIONS
- Vector addition and subtraction
- Dot product and cross product
- Vector magnitude calculations

EQUATION SOLVER
- Quadratic equations
- Cubic equations
- Linear equation systems

STATISTICS AND REGRESSION
- Mean, standard deviation, variance
- Linear regression analysis
- Data visualization

UNIT CONVERTER
- Length, weight, temperature
- Area, volume, time
- Currency conversion

TIP CALCULATOR
- Quick tip calculations
- Split bills easily
- Customizable tip percentages

AI MATH SOLVER
- Solve math problems with AI assistance
- Bring your own API key from OpenAI, Google Gemini, DeepSeek, or compatible providers
- Unlimited AI usage with your own key
- Your API key is stored securely on your device

EXAM MODE
- Timer-based exam simulation
- Restricted features for test preparation
- Customizable allowed functions

ADDITIONAL FEATURES
- Calculation history with search
- iCloud sync across devices (optional)
- Home screen widgets
- Apple Watch app
- Dark mode support
- Customizable precision settings
- Haptic feedback
- Offline functionality

AI FEATURES:
- This app uses your own API key for AI features. You can bring your own key from OpenAI, Google Gemini, DeepSeek, or any compatible provider.
- AI features are unlimited with your own key - no usage limits or in-app token purchases.
- Your API key is stored securely on your device and never sent to our servers.

SUBSCRIPTION INFORMATION:
- Payment will be charged to your Apple ID account at confirmation of purchase.
- Subscription automatically renews unless it is canceled at least 24 hours before the end of the current period.
- You can manage and cancel your subscriptions by going to your account settings on the App Store after purchase.
- Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription.

Download Kexue Calculator today and experience the power of a professional scientific calculator in your pocket.