# Nova Scientific Calculator – Advanced Scientific, Graphing & Symbolic Math Calculator

> An all-in-one scientific calculator, graphing calculator, and Computer Algebra System (CAS) for iPhone, iPad, and Android. Private, 100% offline, and available for a single one-time purchase of $2.99 USD with lifetime access and unlimited updates.

Nova Scientific Calculator is designed for students, engineers, scientists, researchers, educators, and mathematics enthusiasts. Combining advanced symbolic computation, equation solving, calculus, linear algebra, statistics, and interactive graphing, Nova Scientific Calculator transforms your mobile device into a powerful mathematical workstation.

## Official Links & Availability

- Official Website: https://novacalc.deleix.com/
- Apple App Store (iOS & iPadOS): https://apps.apple.com/us/app/nova-scientific-calculator/id6812800760
- Google Play Store (Android): https://play.google.com/store/apps/details?id=com.deleix.calcapp
- Privacy Policy: https://novacalc.deleix.com/privacy
- Terms of Service: https://novacalc.deleix.com/terms
- Contact & Support: https://novacalc.deleix.com/contact (Email: novacalc@deleix.com)

## Key Product Specifications

- **Product Name**: Nova Scientific Calculator
- **Category**: Educational Software / Mathematics & Engineering Workstation
- **Operating Systems**: iOS 15.0+ (iPhone & iPad), Android 8.0+ (Smartphones & Tablets)
- **Pricing**: $2.99 USD (One-time purchase, lifetime access with unlimited future updates, zero ads, zero subscriptions, no in-app microtransactions)
- **App Language**: English only (the entire mobile app interface, menus, calculation engine, and help system are in English).
- **Global Web Discovery**: The official website provides comprehensive localized overviews in 10 major global languages (English, Spanish, French, German, Portuguese, Russian, Arabic, Hindi, Simplified Chinese, Japanese) for international search indexing and worldwide discoverability.
- **Privacy Architecture**: Local-first storage, zero data collection, no account requirement, zero telemetry, no tracking.
- **Network Dependency**: 100% offline execution on local device silicon.

## Core Features & Mathematical Modules

### 1. Advanced Scientific Calculator and Natural Math Display
- Natural textbook-style mathematical display for entering, reading, and understanding complex equations intuitively.
- Expression simplification, exact root calculation (square, cube, nth roots), fraction-to-decimal conversions, and mixed numbers.
- Full complex number support in rectangular (a + bi) and polar (r∠θ) coordinates.
- Scientific notation and engineering SI prefix formatting.
- Calculation history with instant recall and reuse.
- Custom variable definitions and user-defined functions.
- Mathematical expression export: LaTeX, MathML, Markdown, SVG, and plain text for assignments, technical documentation, and research reports.

### 2. Powerful CAS Calculator and Equation Solver
- Integrated Computer Algebra System (CAS) for algebraic simplification, polynomial expansion, factorization, rationalization, cancellation, and partial fraction decomposition.
- Equation solver: Exact and numerical solutions for linear, quadratic, cubic, quartic, polynomial, rational, exponential, and trigonometric equations.
- Simultaneous equation systems with two, three, or four variables.
- Inequality analysis, interval notation, polynomial properties, discriminants, synthetic division, and mathematical extrema.

### 3. Calculus Calculator and Matrix Solver
- Symbolic differentiation, higher-order derivatives, and numerical derivatives.
- Indefinite integration and adaptive definite integration via Gauss-Kronrod quadrature.
- Limit evaluations, Taylor series, Maclaurin series, finite summations (Σ), and products (Π).
- Function curve analysis: Critical points, local maxima, local minima, and inflection points.
- Comprehensive matrix calculator and linear algebra toolkit:
  - Matrix dimensions up to 10×10.
  - Matrix addition, subtraction, scalar multiplication, and matrix multiplication.
  - Inverses (A⁻¹), determinants (det A), transposition (Aᵀ), rank, and trace.
  - Reduced Row Echelon Form (RREF) and LU decomposition.
  - Eigenvalues, eigenvectors, and linear system solving (Ax = b).

### 4. Interactive 2D Graphing Calculator
- Dynamic 2D graphing supporting Cartesian (y = f(x)), polar (r = f(θ)), parametric (x(t), y(t)), and implicit equations (F(x, y) = 0).
- Inequalities with shaded regions.
- Smooth panning, pinch-to-zoom, and adjustable real-time parameter sliders.
- Coordinate tracking, dynamic value tables, and curve intersection tracing.
- Tangent line display, derivative curves, and definite integration area visualization between curves.
- High-resolution graph export: PNG, SVG, and PDF for academic publications and presentations.

### 5. Statistics, Probability and Unit Conversion
- Descriptive statistics: Mean, median, mode, sample/population standard deviation, variance, quartiles, and IQR.
- Linear and nonlinear regression, residual analysis, and data visualization via histograms, scatter plots, and box-and-whisker charts.
- Probability distributions: Normal (Gaussian PDF/CDF), Student's t, Binomial, Poisson, Chi-square (χ²), and F distributions.
- Base-N number converter: Binary, Octal, Decimal, and Hexadecimal representations.
- Comprehensive physical unit converter spanning 12 physical dimensions and over 100 units.
- Built-in formula reference library covering mathematics, physics, chemistry, geometry, and calculus formulas.

### 6. Private, Offline and Accessible Design
- 100% offline functionality without internet or cellular connectivity.
- Local-first data architecture ensuring private calculations remain on the device.
- 7 light and dark themes with customizable mathematical typography.
- Color-blind-friendly graph palettes for enhanced visual accessibility.
- iPad split-screen multitasking support, external hardware keyboard shortcuts, and responsive haptic feedback.