【實用教育app】aMathEngine - Demo|最夯免費app

A Graphical Math Calculator for School, Science and Electrical Engineering

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BASIC

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+ Typical Math Operations s. Screenshot.

+ Displays graphical Formulas, with zoom and rotation possibilities.

+ 3 Workspaces.

+ Shows Functions with 'Gesture Functionality'.

+ The interval boundaries could be edited manually.

+ Calculates Extreme Values: Root's, Maxima, Minima and Pole's.

+ Memorybutton.

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EXTENDED

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+ Stores Functions, optionally with Parameters.

+ For Depiction is a Split-Screen Graph or a Multi-Screen Graph available.

+ The Multi-Screen Graph supports three Functions in one Screen.

+ In the Split-Screen-Graph could be shown two Functions per Screen.

+ In both Graphs Tangents could be displayed to show Function values.

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PRO

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+ Adds trigonometric and hyperbolic functions

+ Transforms Numbers to Hex, Dual, Octal, Decimal Format

Control Engineering

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+ Calculates Parameters:

> for P-T1, P-T2, P-T2s and P-Tn Plants,

> for many different and equal Time-Constants [P-Tx Plants],

> from a given Step Response with n equal Time-Constants ['Schwarze P-Tn'],

> from a given Step Response with 1 Time-Constant and any (n-1) equal Time-Constants ['Schwarze P-T1,n']

> from a given Step Response for P-T2 Plants with the Method from 'Ormanns',

> from a given damped Oscillation and

> from a TuTg-Approximation.

+ Identification of the P-, I-, PI-, PD-, and PID Controller Parameter from a Step Response

+ Depiction of the Step Responses from the Plants and Controllers 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

> Controller:

P, I, PI, PD, and PID,

Anti-wind-up.

> Plants:

Deadtime-, P-, I-, D- and Oscillating Element,

delayed Elements with equal Time-Constants,

delayed Elements with different Time-Constants,

TuTg-Element,

Regulation Limit,

Reference Performance at a specified Time,

Disturbance Attenuation before and behind a Plant.

Adjustment of the calculation Steps for Explicit Euler Reverse.

+ 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 Function values.

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