Ncalc - Graphing Calculator 84
Ncalc - Graphing Calculator 84 is made and published by Tran Duy. AppBrain is an independent app data site and isn't affiliated with Tran Duy. The app name, icon, screenshots and description belong to Tran Duy and are shown as published on the App Store.
AppBrain's verdict
EstablishedLoved by users- Rating on App Store
- 4.60
- 5,048 ratings
- Last updated
- June 25, 2026
- Size
- 168.1 MB
Users love it: 4.6 stars from 5,048 ratings.
User feedback
Ratings and reviews on the App StoreComments on Ncalc - Graphing Calculator 84 for iOS
We don't have enough comments to show example comments. Please check back later.
Store listing
By Tran Duy, from the App StoreDescription by Tran Duy Written by the developer, not by AppBrain. Click to read.
◉ Graphing Calculator
- Supports function, polar, and parametric graphs.
- Press MODE and select Graph mode, then press Y= to open the graph editor. Press GRAPH to draw the functions.
- Interactive and manual tracing modes.
- Shows intersections, roots, and extrema (local maxima and minima) of function graphs.
- Shows derivatives of function graphs.
- Shows tangents to function and polar graphs.
- Best‑fit line for a set of points.
- TABLE generates a table of values for the selected graph.
- CALC computes min, max, d/dx, and integrals of the selected graph.
◉ Scientific Calculator
- Includes a computer algebra system for symbolic calculation.
- Supports all functions of real 83 and 84 graphing calculators.
- All basic and advanced math functions: complex numbers, probability, angles, relational operations, logic operations, and matrix and vector operations.
- Users can define custom calculator functions.
◉ Equation Solver (press ALPHA ENTER to open the SOLVER menu)
- Solves any equation with Auto Solver mode and can provide symbolic roots.
- Solves quadratic, cubic, quartic, and quintic equations.
- Solves systems of equations with up to 5 variables.
◉ Statistics
- 1‑Var Stats: calculates 1‑variable statistics.
- 2‑Var Stats: calculates 2‑variable statistics.
- LinReg(ax+b): fits a linear model to data.
- QuadReg: fits a quadratic model to data.
- CubicReg: fits a cubic model to data.
- QuartReg: fits a quartic model to data.
- LinReg(a+bx): fits a linear model to data.
- LnReg: fits a logarithmic model to data.
- ExpReg: fits an exponential model to data.
◉ Inferential Statistics and Distributions
- Z‑Test, T‑Test, 2‑SampZTest, 2‑SampTTest, 1‑PropZTest, 2‑PropZTest, Z‑Interval, T‑Interval, 2‑SampZInt, 2‑SampTInt, 1‑PropZInt, 2‑PropZInt, Chi‑square Test, Chi‑square GOF Test, 2‑SampFTest, LinRegTTest, LinRegTInt, ANOVA.
- All distribution functions, including Normal, Student’s t, Chi‑square, F, binomial, and more.
◉ Get Calculator 84 Premium
Upgrade to the Premium version to access all the features above, including advanced math functions, statistics, inferential statistics and distributions, and more.
Choose from 3 subscription options:
- A 1‑month subscription
- A 1‑year subscription
- A lifetime purchase
Subscription payments will be charged to your iTunes account at confirmation of purchase and at the start of each renewal term. You can cancel at any time through your iTunes account settings. You must do this at least 24 hours before the end of the current period to avoid being charged. Cancellation takes effect the day after the current period ends, and you will be downgraded to the free service.
Terms of Service: https://calc84-efd3d.firebaseapp.com/tos.html
Privacy Policy: https://calc84-efd3d.firebaseapp.com/privacypolicy.html
Safety and technology
Found in the app by AppBrain- Price
- Free
- App size
- 168.1 MB
- Content rating
- Medium
Technologies used by Ncalc - Graphing Calculator 84
Releases
Updates seen on the App Store- Version
- 3.0.2
- Launched
- April 2020
No changelog data
Alternatives
Similar apps and more from Tran DuyAlternatives to Ncalc - Graphing Calculator 84
More from Tran Duy
Rankings
App Store top chartsApp Store Rankings for Ncalc - Graphing Calculator 84
About the app and developer
About Ncalc - Graphing Calculator 84
Ncalc - Graphing Calculator 84 is an education app developed by Tran Duy.
User Ratings
Ncalc - Graphing Calculator 84 is rated 4.60 out of 5 stars. The rating is based on 5 thousand ratings.
App Information
Ncalc - Graphing Calculator 84 is freely available from the App Store. The app size is 168.12 MB. The latest version available is 3.0.2. The last update was on June 25, 2026.
Technical Requirements
The app has a content rating of Medium Maturity. The app has been available on the App Store since April 2020.
Developer information for Tran Duy
Address:
Frequently asked questions about Ncalc - Graphing Calculator 84
Is Ncalc - Graphing Calculator 84 free?
Yes. Ncalc - Graphing Calculator 84 is free on the App Store.
Is Ncalc - Graphing Calculator 84 still available?
Yes. Ncalc - Graphing Calculator 84 is on the App Store, and the last update we saw was on June 25, 2026.
How large is Ncalc - Graphing Calculator 84?
Ncalc - Graphing Calculator 84 is 168.12 MB.
Is Ncalc - Graphing Calculator 84 suitable for children?
App Store gives Ncalc - Graphing Calculator 84 a medium maturity rating, so it is not meant for young children.
How do people rate Ncalc - Graphing Calculator 84?
Ncalc - Graphing Calculator 84 scores 4.60 out of 5 stars, from 5,048 ratings on the App Store.
Who made Ncalc - Graphing Calculator 84?
Ncalc - Graphing Calculator 84 was developed by Tran Duy. It is listed in the education category on the App Store.
What are the best alternatives to Ncalc - Graphing Calculator 84?
People looking at Ncalc - Graphing Calculator 84 also look at these education apps: Taculator 84 Graphing Calc, Graphing Calculator X84, Calculate84, GraphNCalc83, Graphing Calculator Plus AI.