Using this app you can create your own formulas using a total of 4 variables. For example, if you want to create a rectangular formula, follow these steps: Create a formula: 1. Click the + button on the toolbar to create a new formula. 2. Enter "Area of Rectangle" as the name of the formula. 3. Enter x0*x1 into the formula. 4. Because 2 variables are needed here, click the + sign to add one. 5. Enter "width" as the variable name of x0. 6. Enter "height" as the variable name of x1. 7. Indicate where to fill in the "Rectangle Area Formula". 8. Click the Save button on the toolbar. 9. Return to the main interface, and you will find that the formula for the area of a rectangle is already in the list. Calculation: 1. Click on the name of the formula to go to the calculation page of the formula. 2. Enter the variable, which should be a number. 3. Click the first button on the toolbar to perform the calculation. Edit: If you find an error in your formula, you can edit the formula to correct it. 1. Go to the calculation page of the formula and click the edit button on the toolbar. 2. Modify the formula as needed. 3. There is a function list available here. Click the function list button and then click the name of the function. The function will be entered into the formula. Upload If you upload a formula, others can use it, or you can download it after reinstalling the app. Note that once the formula is uploaded it cannot be modified, so please consider carefully before uploading. Of course you can also edit local formulas. Search: Before you create a new formula, it is best to search to see if the formula already exists. 1. Go to the search page and enter keywords. 2. If you find a formula you are interested in, click. 3. The application will come to the company's details page. 4. If this is the formula you want, save it. 5. Go to the main page and find the formula you just saved. Delete: If you no longer need a formula, you can delete it by clicking the button to the right of the formula in the formula list.
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