Scientific Calculator Plus 9913.6.2 - App Store

NCalc - Powerful Scientific Calculator, Graphing, and Converter

NCalc combines a natural-display scientific calculator, advanced math tools, a full graphing module (as 83/84 calculator), a large formula library, and a comprehensive unit and currency converter-designed for students, engineers, and anyone who loves math.

◉ Main Calculator Features
- Natural display: Enter expressions exactly as in textbooks-fractions, roots, exponents, and more-see results as written on paper.
- Keyboard layout: Matches popular models for familiarity and speed: 115 ES Plus, 991 ES Plus, 300 ES Plus, and 991 EX.
- Symbolic and numeric modes: Perform exact fraction calculation or evaluate numerically when needed.
- Arbitrary precision integers: Work with very large integers without losing accuracy.
- Output types: Choose from fraction, mixed fraction, decimal, repeating decimal, degrees/minutes/seconds, and polar coordinates.
- Angle units: Degree, radian, and gradian (grade).
- Decimal formatter: Display numbers in normal, engineering, engineering SI, scientific, or fixed formats.
- Calculation history: Review and reuse past calculations with ease.
- Copy and paste support for fast data entry and sharing.

◉ Algebra, Calculus, and Core Math
- Algebra calculation: Expansion, factorization, simplification, and more.
- Calculus calculator: Derivatives, integrals, and limits of expressions.
- Complex number calculation: Arithmetic, polar/rectangular conversion, exponential, logarithm, powers, roots, and full trigonometric functions.

◉ Equations and Inequalities
- Equation solver: Solve general equations, plus dedicated solvers for quadratic, cubic, and quartic equations.
- System of equations solver: Solve systems with 2, 3, or 4 variables.
- Inequality solvers: Quadratic, cubic, and quartic inequalities with interval-based solutions.

◉ Matrices and Vectors
- Operations: Addition, subtraction, multiplication for matrices and vectors.
- Advanced tools: Determinant, inverse, transpose, rank, eigenvalues, and eigenvectors.

◉ Statistics and Distributions
- Statistical calculation: Descriptive stats and regression calculation (including a regression plotter).
- Distribution calculation: Normal distribution, binomial distribution, Poisson distribution, t-distribution, chi-square distribution, and F-distribution.

◉ Number Bases and Formats
- Base N calculation: Effortlessly switch between binary, octal, decimal, and hexadecimal, with arithmetic in each base.

◉ Tables, Variables, and Custom Functions
- Table Generator: Generate value tables based on any expression and range.
- Calculator variables: Store values and reuse them across calculations.
- User-defined functions: Create your own functions to streamline repetitive work.
- Built-in constants: A rich set of mathematical and physical constants.

◉ Formulas
- Extensive formula collection: Math and Physics formulas, clearly categorized-ideal for secondary school, high school, and university students.

◉ Unit Converter
- Currency Converter
- 1000+ unit conversions

◉ Graphing as 83, 84 calculator
- Cartesian functions, implicit plots, polar, and parametric.
- Tracing, roots, intersections, extrema, derivative, and integral evaluations on graphs.

◉ Auto-renewing subscription
You may purchase an auto-renewing subscription through an In-App Purchase.
. Auto-renewable subscription
. Your subscription will be charged to your AppStore account at confirmation of purchase and will automatically renew (at the duration selected) unless auto-renew is turned off at least 24 hours before the end of the current period.
. Current subscription may not be cancelled during the active subscription period; however, you can manage your subscription and/or turn off auto-renewal by visiting your AppStore Account Settings after purchase
. Privacy policy and terms of use: https://ncalc-app.web.app/terms-of-services.html

Version History - Inequalities: get the full answer, now in interval notation.
- Tap a result to see it in other forms, save it to a variable or open it as a table.
- New themes: Blueprint, Paper, Synthwave and Solarized.
- Camera: scan, compute or draw an expression.
- Copy an expression as LaTeX or as an image.
- The user manual is now available in your language. 3.6.2 1d ago Thanks for using NCalc! This update includes performance improvements, stability enhancements, bug fixes, UI refinements, and compatibility updates for the latest iOS versions to ensure a smoother, more reliable experience. 3.6.1 Jun 25 Thanks for using NCalc! This update includes performance improvements, stability enhancements, bug fixes, UI refinements, and compatibility updates for the latest iOS versions to ensure a smoother, more reliable experience. 3.5.8 May 5 Thanks for using NCalc! This update includes performance improvements, stability enhancements, bug fixes, UI refinements, and compatibility updates for the latest iOS versions to ensure a smoother, more reliable experience. 3.5.7 Apr 19 What's new in this version:
- Math OCR now supports drawing for easier input.
- Option to hide the button in the calculator display.
- Bug fixes and performance improvements for a smoother experience.

Thanks for using NCalc! 3.5.6 Feb 10 What's new in this version:
- Math OCR now supports drawing for easier input.
- Option to hide the button in the calculator display.
- Bug fixes and performance improvements for a smoother experience.

Thanks for using NCalc! 3.5.5 Feb 6 This updates introduces a new Math OCR feature that allows you to input expressions into the calculator using your camera. Simply point your camera at a handwritten or printed mathematical expression, and NCalc will recognize and convert it into a digital format for easy calculation. This feature enhances usability and provides a more convenient way to perform calculations on the go. 3.5.4 Jan 28 This updates introduces a new Math OCR feature that allows you to input expressions into the calculator using your camera. Simply point your camera at a handwritten or printed mathematical expression, and NCalc will recognize and convert it into a digital format for easy calculation. This feature enhances usability and provides a more convenient way to perform calculations on the go. 3.5.2 Jan 20 This updates introduces a new Math OCR feature that allows you to input expressions into the calculator using your camera. Simply point your camera at a handwritten or printed mathematical expression, and NCalc will recognize and convert it into a digital format for easy calculation. This feature enhances usability and provides a more convenient way to perform calculations on the go. 3.5.1 Jan 16 Thanks for using NCalc! This update includes performance improvements, stability enhancements, bug fixes, UI refinements, and compatibility updates for the latest iOS versions to ensure a smoother, more reliable experience. 3.5.0 11/14/2025 Thanks for using NCalc! This update includes performance improvements, stability enhancements, bug fixes, UI refinements, and compatibility updates for the latest iOS versions to ensure a smoother, more reliable experience. 3.4.9 11/10/2025 Thanks for using NCalc! This update includes performance improvements, stability enhancements, bug fixes, UI refinements, and compatibility updates for the latest iOS versions to ensure a smoother, more reliable experience. 3.4.8 11/06/2025 Fix limit menu, improved one-side limit calculation. 2.2.2 11/20/2024 Programming graphics result 2.2.1 11/13/2024 Math community 1.2.0 11/08/2024 - Bug fixes 1.9.9 07/09/2024 - Lim+ and Lim-
- Graphing: derivative of Erf and Erfc
- Graphing: graph of limit and numeric derivative
- Improved equation solver
- Support more hardware keyboard layouts
- Fix cannot save graph image to gallery
- Bug fixes and performance improved 1.9.8 06/25/2024 - New option: Ignore all infix operators at the end of the input
- New option: Enable instant result for expression that contains integral
- Improved equation solver
- Improved graphing
- Bug fixes and performance improved. 1.9.7 03/25/2024 - Rationalize denominator, display Sqrt(2)/2 instead of 1/Sqrt(2)
- Base-N: support implicit multiplication
- Allow to customize the exponential separator: a*10^b or aEb
- Improved SCI format: remove trailing zeros
- Instant result is disabled when input has integral function 1.9.6 01/05/2024 Bug fixes 1.9.5 12/01/2023 - Support iOS 17
- Fixed keymap binding issue on iPad
- Allow to change app icon in app settings
- Fixed font problem 1.9.4 10/29/2023 - Inlined Ans value
- Improved equation solver
- Additional SCI format for big numbers
- Improved graphing 1.9.3 10/26/2023 - Graph: Improved defined integral graph
- BASE-N: Support converting fractional decimal to other bases
- BASE-N: Supported hardware keyboard
- Unit converter: Allow to search unit
- Display Ans and PreAns value
- History: Save graph history, allow to edit unit conversion history
- Performance improved 1.9.2 09/11/2023 - Improved equation solver.
- Improved programming feature.
- Improved expression details.
- Improved plaintext export.
- Display numeric result for symbolic polar form.
- Entering x(t);y(t) parsed as parametric function. 1.8.2 05/18/2023 Bug fixes and performance improved. 1.8.1 03/08/2023