# 4. Adding business logic and formulae

We successfully used filters, KPI explorer, manage columns, expand/collapse hierarchies, group & pin rows and columns, and many other features in the [previous section](https://docs.inforiver.com/working-with-inforiver/3.-basic-interactions). In this section, we'll cover the following:

**1. Insert calculated rows** - Inforiver provides an option to insert calculated rows using an Excel-like formula engine. To learn more, refer to [insert calculated rows](https://docs.inforiver.com/working-with-inforiver/4.-adding-business-logic-and-formulae/insert-calculated-rows/insert-calculated-rows).

**2. Insert calculated columns** - With Inforiver, it is possible to insert a new calculated column or measure at the visual level. To learn more, refer to [insert calculated columns](https://docs.inforiver.com/working-with-inforiver/4.-adding-business-logic-and-formulae/insert-calculated-columns).

**3. Insert manual input rows** - Inforiver allows you to insert static rows in matrix-style reports where you can input or enter the data. To learn more, refer to [insert manual input rows](https://docs.inforiver.com/working-with-inforiver/4.-adding-business-logic-and-formulae/insert-manual-input-rows/insert-manual-input-rows).

**4. Insert manual input columns** - Inforiver provides six (6) different options to manually enter data in your Power BI report such as date, text, single/multi-select etc. To learn more, refer to [insert manual input columns](https://docs.inforiver.com/working-with-inforiver/4.-adding-business-logic-and-formulae/insert-manual-input-columns).

**5. Invert sign** - Using the invert sign feature you can change the signs for cells or rows right within the report. To learn more, refer to [Invert sign.](https://docs.inforiver.com/working-with-inforiver/4.-adding-business-logic-and-formulae/invert-sign)

**6. Editing cells** - Edit native measures and apply calculations at visual level. [Learn more about editing cells.](https://docs.inforiver.com/working-with-inforiver/4.-adding-business-logic-and-formulae/editing-cells)

**7. Quick formula** - Inforiver provides several one-click calculations for inserting columns and rows. To learn more, refer to [quick formulas](https://docs.inforiver.com/working-with-inforiver/4.-adding-business-logic-and-formulae/quick-formula).

**8. Manage inserted rows & columns** - Rows or columns inserted in the visual such as calculations, static rows, or data input columns can be managed using the 'Manage' options. To learn more, refer to [Manage inserted rows & columns.](https://docs.inforiver.com/working-with-inforiver/4.-adding-business-logic-and-formulae/manage-inserted-rows-and-columns)

**9. Insert image URLs** - Rows or columns inserted in the visual such as calculations, static rows, or data input columns can be 

#### Resources

[Visual calculations using Inforiver](https://inforiver.com/webinars/visual-level-formula-calculations-powerbi/)

[Excel-like MoM, QoQ, YoY % calculations in rows ](https://inforiver.com/blog/general/excel-like-mom-qoq-yoy-calculations-power-bi/)

[Calculate remaining budget without using DAX](https://inforiver.com/blog/general/calculating-remaining-budget-powerbi/)

[Implement SUM measure totals without using DAX](https://inforiver.com/blog/general/sum-measure-totals-powerbi-no-dax/)