Ncalc - Graphing Calculator 84

Ncalc - Graphing Calculator 84

Designed for use with Calc84

开发者: Tran Duy

中国
APP ID 复制
1509489130
分类
价格
USD4.99
内购
0个评分
教育(付费)
昨日下载量
最近更新
2025-06-02
最早发布
2020-04-28
版本统计
  • 48天7小时

    最新版本上线距今

  • 1

    近1年版本更新次数

  • 2020-04-28

    全球最早版本上线日期

版本记录
显示信息
日期
  • 全部
每页显示条数
  • 请选择
  • 版本: 2.2.2

    版本更新日期

    2025-06-02

    Ncalc - Graphing Calculator 84

    Ncalc - Graphing Calculator 84

    Designed for use with Calc84

    更新日志

    We’ve made some under-the-hood enhancements to make the app run more smoothly and reliably. Thanks for using our app!

    视频/截图

    Ncalc - Graphing Calculator 84 App 截图
    Ncalc - Graphing Calculator 84 App 截图
    Ncalc - Graphing Calculator 84 App 截图
    Ncalc - Graphing Calculator 84 App 截图
    Ncalc - Graphing Calculator 84 App 截图
    Ncalc - Graphing Calculator 84 App 截图

    应用描述

    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

  • 版本: 2.2.1

    版本更新日期

    2024-06-01

    Ncalc - Graphing Calculator 84

    Ncalc - Graphing Calculator 84

    Designed for use with Calc84

    更新日志

    - Graphing: allow to x=value graph
    - Graphing: derivative of Erf and Erfc
    - StatPlot: Modified box plot option
    - Graphing: graph of limit and numeric derivative
    - Improved equation solver
    - Improved TVM solver
    - Bug fixes and performance improved

    视频/截图

    Ncalc - Graphing Calculator 84 App 截图
    Ncalc - Graphing Calculator 84 App 截图
    Ncalc - Graphing Calculator 84 App 截图
    Ncalc - Graphing Calculator 84 App 截图
    Ncalc - Graphing Calculator 84 App 截图
    Ncalc - Graphing Calculator 84 App 截图

    应用描述

    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

  • 版本: 2.2.0

    版本更新日期

    2024-04-01

    Ncalc - Graphing Calculator 84

    Ncalc - Graphing Calculator 84

    Designed for use with Calc84

    更新日志

    Fixed problem when opening unit conversion

    应用描述

    暂无应用描述数据

  • 版本: 2.1.9

    版本更新日期

    2024-03-25

    Ncalc - Graphing Calculator 84

    Ncalc - Graphing Calculator 84

    Designed for use with Calc84

    更新日志

    - New option: Ignore all infix operators at the end of the input
    - Improved equation solver
    - Improved graphing
    - Bug fixes and performance improved.

    视频/截图

    Ncalc - Graphing Calculator 84 App 截图
    Ncalc - Graphing Calculator 84 App 截图
    Ncalc - Graphing Calculator 84 App 截图
    Ncalc - Graphing Calculator 84 App 截图
    Ncalc - Graphing Calculator 84 App 截图
    Ncalc - Graphing Calculator 84 App 截图

    应用描述

    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

  • 版本: 2.1.8

    版本更新日期

    2023-11-14

    Ncalc - Graphing Calculator 84

    Ncalc - Graphing Calculator 84

    Designed for use with Calc84

    更新日志

    - Support graphing erf and erfc function for normalcdf
    - Improved symbolic integral
    - Fixed some problems

    视频/截图

    Ncalc - Graphing Calculator 84 App 截图
    Ncalc - Graphing Calculator 84 App 截图
    Ncalc - Graphing Calculator 84 App 截图
    Ncalc - Graphing Calculator 84 App 截图
    Ncalc - Graphing Calculator 84 App 截图
    Ncalc - Graphing Calculator 84 App 截图

    应用描述

    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

  • 版本: 2.1.7

    版本更新日期

    2023-10-31

    Ncalc - Graphing Calculator 84

    Ncalc - Graphing Calculator 84

    Designed for use with Calc84

    更新日志

    - Support graphing piecewise syntax
    - Inlined Ans value
    - Fixed keymap binding issue on iPad
    - Allow to change fraction key position to ALPHA X

    视频/截图

    Ncalc - Graphing Calculator 84 App 截图
    Ncalc - Graphing Calculator 84 App 截图
    Ncalc - Graphing Calculator 84 App 截图
    Ncalc - Graphing Calculator 84 App 截图
    Ncalc - Graphing Calculator 84 App 截图
    Ncalc - Graphing Calculator 84 App 截图

    应用描述

    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

  • 版本: 2.1.6

    版本更新日期

    2023-09-04

    Ncalc - Graphing Calculator 84

    Ncalc - Graphing Calculator 84

    Designed for use with Calc84

    更新日志

    Bug fixes and performance improved.

    应用描述

    暂无应用描述数据

  • 版本: 2.1.1

    版本更新日期

    2023-05-10

    Ncalc - Graphing Calculator 84

    Ncalc - Graphing Calculator 84

    Designed for use with Ti-84

    更新日志

    - 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.

    视频/截图

    Ncalc - Graphing Calculator 84 App 截图
    Ncalc - Graphing Calculator 84 App 截图
    Ncalc - Graphing Calculator 84 App 截图
    Ncalc - Graphing Calculator 84 App 截图
    Ncalc - Graphing Calculator 84 App 截图
    Ncalc - Graphing Calculator 84 App 截图

    应用描述

    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

  • 版本: 2.1.0

    版本更新日期

    2023-01-19

    Ncalc - Graphing Calculator 84

    Ncalc - Graphing Calculator 84

    Designed for use with Ti-84

    更新日志

    Added numeric result in home screen.
    Bug fixes.

    应用描述

    暂无应用描述数据

  • 版本: 2.0.7

    版本更新日期

    2022-09-09

    Ncalc - Graphing Calculator 84

    Ncalc - Graphing Calculator 84

    Designed for use with Ti-84

    更新日志

    Bug fixes and performance improved.

    视频/截图

    Ncalc - Graphing Calculator 84 App 截图
    Ncalc - Graphing Calculator 84 App 截图
    Ncalc - Graphing Calculator 84 App 截图
    Ncalc - Graphing Calculator 84 App 截图
    Ncalc - Graphing Calculator 84 App 截图
    Ncalc - Graphing Calculator 84 App 截图

    应用描述

    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