Under the "Bill of quantities" tab, in the "Project" group of the main toolbar, the general parameters of the project can be reviewed or modified.

The "General parameters" window includes the following tabs:

• Currency. Allows users to change the currency used and the position of the currency symbol (to the right or to the left).
• Decimals. Allows users to modify the number of decimals of amounts, prices and quantities/yields.
• Percentages. Allows users to add percentages for contingencies, general expenses, industrial profit, and the below budget coefficient, and to incorporate a series of user-defined taxes.