J@L Apps

A Graphical Math Calculator for School,Science and Control Engineering.-----------BASIC-----------+ Typical Math Operations s. Screenshot.+ Adds trigonometric and hyperbolic functions.+ Transforms Numbers to Hex, Dual, Octal, Decimal Format.+ with Fraction Notation.+ Displays graphical Formulas, with zoom and rotationpossibilities.+ 12 Workspaces.+ Shows Functions with 'Gesture Functionality'.+ Manually Editing of the interval boundaries.+ Calculates Extreme Values: Root's, Maxima, Minima andPole's.+ Memorybutton.+ PDF Export [Please note, that you have to set the App-Permissionson Android 6! -> write to Storage].------------------EXTENDED------------------+ Stores Functions, optionally with Parameters.+ Two Graph Modes are available: a Split-Screen Graph and aMulti-Screen Graph.+ The Multi-Screen Graph Mode supports three Functions in oneScreen.+ The Split-Screen-Graph Mode shows two Functions per Screen.+ Displays the Function values.+ PDF Export [Please note, that you have to set the App-Permissionson Android 6! -> write to Storage].--------PRO--------Control Engineering----------------------------------+ Tuning Rules:> Magnitude Optimum from Kessler> Symmetrical Optimum from Kessler> Chien Hrones Reswick> Latzel> Samal> Kuhn> Oppelt> Cohen Coon> Ziegler Nichols+ Calculates Parameters:> with different Test Signals,> for I-Tn, P-T1, P-T2, P-T2s and P-Tn Plants,> for a Transfer Function with initial conditions,> for many different and/or equal Time-Constants [P-TxPlants],> from a given Step Response with a P-Tn (n equalTime-Constants) Approximation in accord with 'Schwarze',> from a given Step Response with a P-T1-Tn (one separateTime-Constant and any equal Time-Constants) Approximation in accordwith 'Schwarze',> from a given Step Response with a P-Tt-T3 Approximation inaccord with 'Thal-Larsen',> from a given Step Response with a P-T2 Approximation in accordwith 'Ormanns',> from a given Step Response with a P-Tx Approximation in accordwith 'Radtke',> from a given Step Response with a P-Tn Approximation in accordwith 'Sponer',> from a given Step Response with a P-Tt-T1 Approximation inaccord with 'Strejc',> from a given damped Oscillation and> from a TuTg-Approximation.+ Identification of the P-, I-, PI-, PD-, and PID ControllerParameter from a Step Response.+ Illustration of the Step Responses from the Plants andControllers see above> in a Multi-Function-Graph [3 Step Responses] or> in Split-Screen-Graph [2 Step Responses per Screen]> with or without Tangents.+ Calculation and Depiction of Closed Loops and Plants withdifferent Test Signals.> continuous Controller:P, I, PI, PD, and PID,Regulation Limitationand Anti-wind-up.> discrete Controller:Two-Point Controller,Three-Point Controller.> Plants:Deadtime-, P-, I-, D- and Oscillating Element,delay Elements with equal Time-Constants,delay Elements with different Time-Constants,TuTg-Element,Transfer Function with initial conditions,Reference Performance at a specified Time,Compensation Element in the Reference Path,Disturbance Attenuation before and behind a Plant.+ Illustration of the Input Signals> in a Multi-Function-Graph [3 Closed Loops] or> in a Split-Screen-Graph [2 Closed Loops per Screen]> in tabular form.> ...+ PDF Export [Please note, that you have to set the App-Permissionson Android 6! -> write to Storage].Simulation------------------+ Adjustment of the calculation Steps.+ Algorithm Runge-Kutta.

A Graphical Math Calculator for School,Science and Engineering.-----------BASIC-----------+ Typical Math Operations s. Screenshot.+ Displays graphical Formulas, with zoom and rotationpossibilities.+ 3 Workspaces.+ Shows Functions with 'Gesture Functionality'.+ Manually Editing of the interval boundaries.+ Calculates Extreme Values: Root's, Maxima, Minima andPole's.+ Memorybutton.+ PDF Export.------------------EXTENDED------------------+ Stores Functions, optionally with Parameters.+ For Depiction is a Split-Screen Graph or a Multi-Screen Graphavailable.+ The Multi-Screen Graph supports three Functions in oneScreen.+ In the Split-Screen-Graph could be shown two Functions perScreen.+ In both Graphs Tangents could be displayed to show Functionvalues.+ PDF Export.--------PRO--------+ Adds trigonometric and hyperbolic functions.+ Transforms Numbers to Hex, Dual, Octal, Decimal Format.Control Engineering----------------------------------+ Tuning Rules:> Magnitude Optimum from Kessler> Symmetrical Optimum from Kessler> Chien Hrones Reswick> Latzel> Samal> Kuhn> Oppelt> Cohen Coon> Ziegler Nichols+ Calculates Parameters:> for I-Tn, P-T1, P-T2, P-T2s and P-Tn Plants,> for many different and/or equal Time-Constants [P-TxPlants],> from a given Step Response with a P-Tn (n equalTime-Constants) Approximation in accord with 'Schwarze',> from a given Step Response with a P-T1-Tn (1 Time-Constant andany n equal Time-Constants) Approximation in accord with'Schwarze',> from a given Step Response with a P-Tt-T3 Approximation inaccord with 'Thal-Larsen',> from a given Step Response with a P-T2 Approximation in accordwith 'Ormanns',> from a given Step Response with a P-Tx Approximation in accordwith 'Radtke',> from a given Step Response with a P-Tn Approximation in accordwith 'Sponer',> from a given Step Response with a P-Tt-T1 Approximation inaccord with 'Strejc',> from a given damped Oscillation and> from a TuTg-Approximation.+ Identification of the P-, I-, PI-, PD-, and PID ControllerParameter from a Step Response.+ Depiction of the Step Responses from the Plants andControllers see above> in a Multi-Function-Graph [3 Step Responses] or> in Split-Screen-Graph [2 Step Responses per Screen]> with or without Tangents.+ Calculation and Depiction of Closed Loops.> continuous Controller:P, I, PI, PD, and PID,Regulation Limitationand Anti-wind-up.> discrete Controller:Two-Point Controller,Three-Point Controller.> Plants:Deadtime-, P-, I-, D- and Oscillating Element,delayed Elements with equal Time-Constants,delayed Elements with different Time-Constants,TuTg-Element,Reference Performance at a specified Time,Compensation Element in the Reference Path,Disturbance Attenuation before and behind a Plant.+ Depiction of the Step Responses> in a Multi-Function-Graph [3 Closed Loops] or> in a Split-Screen-Graph [2 Closed Loops per Screen]> with or without Tangents for displaying the Functionvalues.> in tabular form.+ PDF Export [Please note, that you have to set theApp-Permissions on Android 6! -> write to Storage].Simulation------------------+ Adjustment of the calculation Steps.+ Algorithm in accord with Runge-Kutta.

A Graphical Math Calculator for School, Science and Engineering.