Ncalc - Graphing Calculator 84
Ncalc - Graphing Calculator 84 Summary
Ncalc - Graphing Calculator 84 is a free, ad-supported, with in-app purchases iOS app in Education by Tran Duy. Released in Apr 2020 (6 years ago). It has 8K ratings with a 4.62★ (excellent) average. Based on AppGoblin estimates, it reaches roughly 7.3K monthly active users and generates around $<10K monthly revenue (31% IAP / 69% ads). Store last updated Jun 25, 2026
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Ncalc - Graphing Calculator 84 SDKs Summary
App not yet scanned for SDKs.
4.62★
Ratings: 8K
Screenshots
App Description
The graphing calculator provides a UI similar to a real 84 graphing calculator.
â—‰ 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.
â—‰ 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.
â—‰ 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.
â—‰ 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.
â—‰ 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.
â—‰ 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
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