NCalc Scientific Calculator +

🇺🇸 United States
Tran Duy  | 
48
ASO score
Text
32/100
Reviews
50/100
Graphic
88/100
Other
0/100
rating
App Rating
4.7
rating
Votes
183.85K
rating
App Age
6y 8m
rating
Last Update
Nov 14, 2025
rating
iAP
$1.99 - 5.99

Compare with Category Top Apps

Metrics
Current App
Category Top Average
Difference
Rating
4.75
4.65
+2%
Number of Ratings (Voted)
180K
3.2M
-94%
App Age
6y 8m
7y 8m
-13%
In-app Purchases Price
$3
$69
-95 %
Update Frequency
15d
27d
-45%
Title Length
29
23
+26%
Subtitle Length
28
28
Description Length
3 953
3 038
+30%
Number of Screenshots
858
1325
-35 %
Size
147MB
284MB
-48 %

Category Ranking in United States

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Top Dec 06, 2025 Dec 13, 2025
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Top Dec 06, 2025 Dec 13, 2025
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Ranking Keywords in United States

Keywords App Rank
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in 1 in
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Illustration
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Text ASO

Title (
Characters: 29 of 30
)
NCalc Scientific Calculator +
Subtitle (
Characters: 28 of 30
)
Designed for math calculator
Description (
Characters: 3953 of 4000
)
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}
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Rating & Reviews

Reviews Overview
🧐 Coming Soon…
Rating
4.7
183 849 voters

Some Latest Reviews

Masheila2076
03 Dec, 2025
1
Una lástima que se tenga que pagar para poder usar la cadena del mono
W vic❤️‍🩹
19 Nov, 2025
5
Muito boa aplicação gostei muito parabéns a pessoa que criou a aplicação 🥰👏🏻👏🏻👏🏻👏🏻👏🏻
andrew_s1988
13 Nov, 2025
5
Dieser Rechner hat sich vom „Nischenrechner“ für Spezialfälle zum täglichen Rechner für alle Fälle „hochgearbeitet“. Schade, dass das App-Icon nicht mehr veränderbar ist (hab vorher ein helles Icon gehabt und jetzt gefällt mir eben weniger)
vjord
13 Nov, 2025
5
Excellent compromise between power and ease of use.
pnenov
13 Nov, 2025
5
It has pretty much all you need for applied math calculations
Kira91333
11 Nov, 2025
5
this help me go thru my tusyen. my friend say im broke and i cant borrow her calculator, meanwhile i just forgot it at home🤣🤣
Petr noble
10 Nov, 2025
5
Simply outstanding. Thank you. Please update to reflect that 6/2(1+2) is equal to 9 as per wolframalpha.com
OmegaDS
09 Nov, 2025
1
I bought this app some time ago because it helped mi don a lot, i just opened it today and it appears that it was updated snd my purchase dissapeared, try the restore purchase button and nothing happened lime if i never purchased it....
Paolomal
09 Nov, 2025
5
Per quel che ho visto è una fx-991 on steroids in quanto processa espressioni simboliche, oltre ad avere una sezione grafica. Non ho capito perché hanno messo il tasto Exp per inserire l’ordine di grandezza dei numeri in notazione scientifica al posto del più corretto e intuitivo x10^x (come è ora sulle tastiere delle calcolatrici), ma è una fisima mia che destinerei l’acronimo Exp solo a e^x.

Other

Additional Information
Rating:
4.73
Voted: 183.85K
App Store Link:
Website:
Email: -
Privacy Policy:
Categories: Productivity, Education
Size: 146MB
iAP: 1.99 - 5.99 $
App Age: 6 years 8 months
Release Date: Apr 02, 2019
Last Update: Nov 14, 2025
Version: 3.5.0
Version history
3.5.0
Nov 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
Nov 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.
Version history