Ncalc - Graphing Calculator 84
Designed for use with Calc84
FreeOffers In-App Purchases
2.1.8for iPhone, iPad and more
Age Rating
Ncalc - Graphing Calculator 84 Screenshots
About Ncalc - Graphing Calculator 84
Graphing calculator provides an UI similar to real graphing calculator 84.
◉ Graphing calculator.
- Calculator supports function, polar and parametric graphs.
- Press MODE and select graph mode, and then press Y= to open graph editor. Press GRAPH to draw these functions.
- Interactive tracing mode, manual tracing mode.
- Show intersection, root and extrema (local maximum, local minimum) of function graph
- Show derivative of function graph
- Show tangent of function and polar graphs
- Best fit line of set of points.
- TABLE generates table of value of selected graph.
- CALC calculates min, max, d/dx, integral of selected graph.
◉ Scientific calculator
- Computer algebra system, symbolic calculation.
- Support all functions of real graphing calculator 83, 84.
- All basic and advanced math functions, complex number, probability, angle, relational operations, logic operations, matrix and vector operations.
- Users can define their calculator function.
◉ Equation solver (Press ALPHA ENTER to open SOLVER menu)
- Solve any equation with auto solver mode, the calculator can give symbolic roots.
- Solve quadratic, cubic, quartic and 5th equation.
- Solve system of equations, 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, ZInterval, TInterval, 2-SampZInt, 2-SampTInt, 1-PropZInt, 2-PropZInt, Chi2-Test, Chi2-GOF Test, 2-SampFTest, LinRegTTest, LinRegTInt, ANOVA
- All distribution functions, includes normal distribution, student t, Chi-square, F, binomial, ...
◉ Get Calculator 84 Premium
Upgrade to Premium version and get access all app features above, includes advanced math functions,
statistic, inferential statistics and distributions and a lot of other features.
* 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 your purchase and upon commencement of each renewal term.
* You can cancel the subscription anytime by canceling your subscription through your iTunes account settings. This must be done 24 hours before the end of subscription period to avoid being charged. The cancellation will take effect the day after the last day of the current subscription period, 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
◉ Graphing calculator.
- Calculator supports function, polar and parametric graphs.
- Press MODE and select graph mode, and then press Y= to open graph editor. Press GRAPH to draw these functions.
- Interactive tracing mode, manual tracing mode.
- Show intersection, root and extrema (local maximum, local minimum) of function graph
- Show derivative of function graph
- Show tangent of function and polar graphs
- Best fit line of set of points.
- TABLE generates table of value of selected graph.
- CALC calculates min, max, d/dx, integral of selected graph.
◉ Scientific calculator
- Computer algebra system, symbolic calculation.
- Support all functions of real graphing calculator 83, 84.
- All basic and advanced math functions, complex number, probability, angle, relational operations, logic operations, matrix and vector operations.
- Users can define their calculator function.
◉ Equation solver (Press ALPHA ENTER to open SOLVER menu)
- Solve any equation with auto solver mode, the calculator can give symbolic roots.
- Solve quadratic, cubic, quartic and 5th equation.
- Solve system of equations, 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, ZInterval, TInterval, 2-SampZInt, 2-SampTInt, 1-PropZInt, 2-PropZInt, Chi2-Test, Chi2-GOF Test, 2-SampFTest, LinRegTTest, LinRegTInt, ANOVA
- All distribution functions, includes normal distribution, student t, Chi-square, F, binomial, ...
◉ Get Calculator 84 Premium
Upgrade to Premium version and get access all app features above, includes advanced math functions,
statistic, inferential statistics and distributions and a lot of other features.
* 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 your purchase and upon commencement of each renewal term.
* You can cancel the subscription anytime by canceling your subscription through your iTunes account settings. This must be done 24 hours before the end of subscription period to avoid being charged. The cancellation will take effect the day after the last day of the current subscription period, 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
Show More
What's New in the Latest Version 2.1.8
Last updated on Nov 14, 2023
Old Versions
- Support graphing erf and erfc function for normalcdf
- Improved symbolic integral
- Fixed some problems
- Improved symbolic integral
- Fixed some problems
Show More
Version History
2.1.8
Nov 14, 2023
- Support graphing erf and erfc function for normalcdf
- Improved symbolic integral
- Fixed some problems
- Improved symbolic integral
- Fixed some problems
2.1.7
Oct 31, 2023
- Support graphing piecewise syntax
- Inlined Ans value
- Fixed keymap binding issue on iPad
- Allow to change fraction key position to ALPHA X
- Inlined Ans value
- Fixed keymap binding issue on iPad
- Allow to change fraction key position to ALPHA X
2.1.6
Sep 4, 2023
Bug fixes and performance improved.
2.1.1
May 10, 2023
- Improved equation solver.
- Improved programming feature.
- Improved expression details.
- Fix graph of sequence function not working in some cases.
- Improved plaintext export.
- Fix symbolic derivative not works with Yn functions.
- Support multiply two lists variable.
- Improved TVM solver.
- Allow to change fraction key position.
- Display numeric result for symbolic polar form.
- Improved programming feature.
- Improved expression details.
- Fix graph of sequence function not working in some cases.
- Improved plaintext export.
- Fix symbolic derivative not works with Yn functions.
- Support multiply two lists variable.
- Improved TVM solver.
- Allow to change fraction key position.
- Display numeric result for symbolic polar form.
2.1.0
Jan 19, 2023
Added numeric result in home screen.
Bug fixes.
Bug fixes.
2.0.7
Sep 9, 2022
Bug fixes and performance improved.
2.0.6
Dec 27, 2021
Allow change display font size bigger.
Better equation solver and numeric calculation.
Fixed some problems and improve performance.
Better equation solver and numeric calculation.
Fixed some problems and improve performance.
2.0.5
Apr 25, 2021
New graph mode: sequence.
Improve graphing graphics.
Improved external keyboard support.
Improve graphing graphics.
Improved external keyboard support.
2.0.4
Apr 18, 2021
New graph mode: sequence.
Improve graphing graphics.
Faster computation.
Improve graphing graphics.
Faster computation.
2.0.3
Mar 17, 2021
Faster table calculation.
Support two table modes: AUTO and ASK.
Improve TVM Solver.
Support two table modes: AUTO and ASK.
Improve TVM Solver.
2.0.2
Jan 31, 2021
Math formulas.
Improve graph tracing, STAT PLOT.
Drag to reorder custom function.
Improved external keyboard support.
Fixed a lot of problems.
Improve graph tracing, STAT PLOT.
Drag to reorder custom function.
Improved external keyboard support.
Fixed a lot of problems.
1.2.2
Dec 22, 2020
Box plot and histogram support frequencies.
Drag to reorder custom functions.
Improve "sum" and "prod" functions.
Drag to reorder custom functions.
Improve "sum" and "prod" functions.
1.2.1
Dec 6, 2020
Added ref() function
Added TVM Solver and related functions
Improved 1-VarStats, CubicReg and QuartReg
Fixed STATPLOT was disabled in iOS 14
Added TVM Solver and related functions
Improved 1-VarStats, CubicReg and QuartReg
Fixed STATPLOT was disabled in iOS 14
1.2.0
Oct 20, 2020
Noninteger frequency is accepted in 1-VarStats and 2-VarStats.
Piecewise graph is supported.
Improved regression calculation speed.
Piecewise graph is supported.
Improved regression calculation speed.
1.1.9
Sep 8, 2020
Changeable display font size.
Improve big number calculation.
Improve big number calculation.
1.1.8
Sep 2, 2020
Added some zoom commands: ZoomStat, ZStandard, ZSquare
Inequality graph is supported.
Fixed some problems which cause app crash.
Inequality graph is supported.
Fixed some problems which cause app crash.
1.1.7
Aug 16, 2020
In the update, we introduce a new feature: instant result. Now you can see the result when you are typing. We also fix relative problems which cause the app crash.
Thanks for all feedback. We always work hard to improve this app. We really appreciate any suggestions.
Thanks for all feedback. We always work hard to improve this app. We really appreciate any suggestions.
1.1.6
Aug 12, 2020
Fixed crash
1.1.5
Aug 7, 2020
Fixed crash when press ENTER
1.1.4
Aug 3, 2020
New regression models: logistic and sin regressions
Stat wizard
Stat wizard
1.1.3
Jul 20, 2020
Expression details: integer, numeric, complex, matrix, list, vector, graphic.
Improve Chi square test
Improve numeric calculation for really small number.
System of equation solver is improved.
Change rounding mode from banker to half up.
Graph features: box plot, inflection point.
Improve Chi square test
Improve numeric calculation for really small number.
System of equation solver is improved.
Change rounding mode from banker to half up.
Graph features: box plot, inflection point.
1.1.2
May 11, 2020
Create your own functions.
nth root will return real number.
nth root will return real number.
1.1.1
May 4, 2020
Polar operator.
Prime factors.
Bug fixes and stability improvements.
Prime factors.
Bug fixes and stability improvements.
1.0.2
Apr 30, 2020
Improve graphing feature.
1.0
Apr 28, 2020
Ncalc - Graphing Calculator 84 FAQ
Click here to learn how to download Ncalc - Graphing Calculator 84 in restricted country or region.
Check the following list to see the minimum requirements of Ncalc - Graphing Calculator 84.
iPhone
Requires iOS 13.0 or later.
iPad
Requires iPadOS 13.0 or later.
Mac
Requires macOS 10.15 or later.
iPod touch
Requires iOS 13.0 or later.
Ncalc - Graphing Calculator 84 supports English, Albanian, Arabic, Armenian, Bengali, Croatian, Czech, Dutch, French, German, Greek, Hebrew, Hungarian, Indonesian, Italian, Japanese, Korean, Lithuanian, Persian, Polish, Portuguese, Punjabi, Romanian, Russian, Simplified Chinese, Slovak, Spanish, Swedish, Thai, Traditional Chinese, Turkish, Ukrainian, Vietnamese
Ncalc - Graphing Calculator 84 contains in-app purchases. Please check the pricing plan as below:
Calc84 One Month
$1.99
Graphing Calculator Plus
$5.99
Calc84 One Year
$2.99
Calc84 Pro Lifetime
$5.99
