Unterschiede
Hier werden die Unterschiede zwischen zwei Versionen angezeigt.
| Beide Seiten der vorigen Revision Vorhergehende Überarbeitung Nächste Überarbeitung | Vorhergehende Überarbeitung | ||
| en:modul:m291:learningunits:lu07:aufgaben:09 [2025/05/19 15:26] – vdemir | en:modul:m291:learningunits:lu07:aufgaben:09 [2025/05/20 12:58] (aktuell) – [Assignment G: Implementation of the calculation - 10'] vdemir | ||
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| Zeile 8: | Zeile 8: | ||
| ===== Source ===== | ===== Source ===== | ||
| - | {{ : | + | {{ : |
| ===== Assignment ===== | ===== Assignment ===== | ||
| - | In LU06.S08 we were programming a basic calulator by manipulation the values directly when clicking the buttons. This is convenient, but limits the possibilities of the calculator significantly. | + | In LU06.S08 we were programming a basic calulator by manipulation the values directly when clicking the buttons. This is convenient, but limits the possibilities of the calculator significantly. For example handling the divided-by-zero operation can hardly be handled with events only. |
| - | Therefore we need to do it, but this time by using a couple of methods | + | Thus, it is basically a similar assignment, but this time by using methods: |
| * to set values of diggit1, diggit2 and the operator | * to set values of diggit1, diggit2 and the operator | ||
| * to calulate the result | * to calulate the result | ||
| Zeile 19: | Zeile 19: | ||
| ==== Assignment A - 3' ===== | ==== Assignment A - 3' ===== | ||
| - | * A01: Copy the solution of LU06.s07 and name it **LU07.s09.html** | + | * A01: Copy the solution of LU06.s08 and name it **LU07.s09.html** |
| * A02: Make sure to have | * A02: Make sure to have | ||
| * the assignmen number in <h1> and | * the assignmen number in <h1> and | ||
| Zeile 33: | Zeile 33: | ||
| ==== Assignment C - Variables - 1' ==== | ==== Assignment C - Variables - 1' ==== | ||
| - | * C01: A basic calculation **3 + 3 = 6** compraises several variables and their initial values: | + | * C01: A basic calculation, e.g. **3 + 3 = 6**, compraises several variables and their initial values: |
| - | * diggit1: 0 | + | * C02: Set in the data-area: |
| - | * operator: '' | + | * C03: operator: '+' |
| - | * diggit2: 0 | + | * C04: diggit2: 0 |
| - | * result: 0 | + | * C05: result: 0 |
| ==== Assignment D - Button for diggit 1 - 10' ==== | ==== Assignment D - Button for diggit 1 - 10' ==== | ||
| - | * D01: When clicking on one of them the content will be saved in the variable **diggit1** | + | * D01: When clicking on the diggit keys of block one the content will be saved in the variable **diggit1** |
| * D02: But unlike in the previous task, this time the click triggers a method **setDiggit1(dig1)** | * D02: But unlike in the previous task, this time the click triggers a method **setDiggit1(dig1)** | ||
| * D03: Continue with the other three buttons in the same fashion. | * D03: Continue with the other three buttons in the same fashion. | ||
| Zeile 48: | Zeile 48: | ||
| * E01: When clicking the **+**-button the content will be saved in the variable **operator** | * E01: When clicking the **+**-button the content will be saved in the variable **operator** | ||
| * E02: Check the result by displaying the content of the variable **operator** on the screen. | * E02: Check the result by displaying the content of the variable **operator** on the screen. | ||
| + | * **Hint:** The other three basic operations (subtraktion, | ||
| ==== Assignment F - Button for diggit 2 - 5' ==== | ==== Assignment F - Button for diggit 2 - 5' ==== | ||
| Zeile 56: | Zeile 57: | ||
| ==== Assignment G: Implementation of the calculation - 10' | ==== Assignment G: Implementation of the calculation - 10' | ||
| - | * G01: To execute our addition-operation we finally need a button **ENTER**. This triggers the method **caldResult(operator)** | + | * G01: To execute our addition-operation we finally need a button **ENTER**. This triggers the method **caldResult()**. |
| - | * G02: If the variable | + | * G02: All relevant variables (diggit1, operator, diggit2) are set know, we are ready to finalize our calculation. |
| - | * G03: Display the result of the variable | + | * G03: In the method **calcResult** we need to execute the calculation bases on the provided **operator**. |
| + | * If the operator | ||
| + | * And subsequently, if the calculator | ||
| + | * The Multiplication | ||
| + | * G04: Finally have the **result** | ||
| ===== Solution ===== | ===== Solution ===== | ||
| Zeile 67: | Zeile 72: | ||
| | diggit | Ziffer | | | diggit | Ziffer | | ||
| | initial values | Startwerte | | | initial values | Startwerte | | ||
| - | | to suffice | + | | to conduct |
| | respectively | beziehungsweise | | | respectively | beziehungsweise | | ||
| | to compraise | umfassen | | | to compraise | umfassen | | ||
| - | | several | einige, etliche | | + | |
| ---- | ---- | ||
| [[https:// | [[https:// | ||