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# Expression Calculator

Contents
• To Access the expression calculator, click on the calculator icon in any selected cell. The Expression Calculator is available in cells for both the Estimate table and the Quantity Calculation.

• Enter your desired expression and then click “OK” ### Functions List

The Expression Calculator has the following Functions

### Sample Imperial and Metric Formulas

• Calculation of Factor Using Pitch in the Imperial System The calculation is for a 6/12 Pitch Roof, to get any other pitch you would change the highlighted area from 6 to 4 in a 4/12 Pitch Roof
• Calculation of Factor Using Degrees in Metric System The Calculation is for obtaining the Factor for a 22.5° roof angle, change the value with the brackets to your desired pitch.
• Converting Pitch to Degrees and using Cos(Degrees) atan(6/12) gives you the Degrees so you can substitute in the above formula using Rise over Length. You can also use fraction in Rise ( eg. 6.5/12)
• Calculating Volume of a spherical Beam or a Concrete Pier. (3/2) represents a 3 ft Diameter  divide by 2 to give you the Radius and the result is squared.

The Formula for Volume of a Cylinder is  r2 h . The Total Height is calculated by the Count of Piers by the height of 6 ft giving a total of 848.23 cu ft. • Adding Feet and Inches together Updated on February 7, 2022