So dividing by zero will result in an error, even when that side of the if-statement isn’t applicable. The difference is explained here, but what it comes down to is that every option is evaluated and one of the results is returned. When you enter an IF statement, SOLIDWORKS will usually replace it with an IFF. The final entry in the list of mathematical functions is the IF (or IFF) function from VBA.
Value properties : integer (int), absolute value (abs) and sign (sgn). Trigonometric functions like sin, cos, tan, arctan and cosec. Once you start entering a value, a popup shows you the possibilities: There’s a limited set of mathematical functions that you can use in your equations. If you created an equation in a dimension dialog box, the equation will also show up here. You can then create an equation to calculate the value for this dimension. You can enter a new item by selecting a dimension in a sketch. 
I would rather call this group Dimensions than Equations. Then click a feature in the feature treeĮnter a text like =”unsuppressed” or =if(“var6″>3,”suppressed”,”unsuppressed”) in the second column.This group lets you determine the suppression state of features, depending on the outcome of equations. when you enter a sketch or feature dimension.
You can use other variable names when you enter them between double quotes: =”height” * 12 is a working equation when you define the variable height as well. I’ll re-post the equations window so you can clearly see the three groups of variables:Ī global variable is a named variable that you can use it throughout the part/assembly.Īll you have to do is type in a name (with or without double quotes, SOLIDWORKS adds them when you don’t) and a value or equation.
Ordered View: global variables and equations, shown in the order that they are solved when they depend on each other. Dimension View: show all global variables, equations and all model dimensions. Sketch Equation View: only shows the global variables and equations that are used in sketches. Equation View: show all global variables and equations. The goal of the four views isn’t immediately clear, at least not to me. If the syntax of your equation is correct, a green arrow appears. Here you can vary the equation across configurations. Click the value column to show the configurations settings. It shows you variables that you can use, mathematical functions and model properties. Click the value column to show a pop-up menu. You can now find it in the fourth tab, marked as Disabled. Starting from SW 2017, right-click the row to disable an equation. Right-click anywhere in the row to delete an equation. These controls are usually hidden though: Right: OK, cancel and import/export options. Bottom row: rebuild and other settings, linking the equations to a text file. Center: main window with Global Variables, Features and Equations. Top row: four different ways of viewing the equations, a search/filter bar, undo/redo and the configuration selector. So there are a lot of buttons and options here. When you open the equations menu/viewer, you will see a window like this one: There you can set the visibility to Show, Hide or Automatic. When the equations folder isn’t visible, you can show it by right-clicking in the empty space in the feature tree and selecting Hide/Show Tree Items. Help, I don’t see the equations folder in the feature treeīy default, the equations folder in the feature tree shows up after you add the first equation. Tools toolbar > click the Equations icon. Right-click the equations folder in the feature tree > Manage Equations. You can access the equations viewer in the following three ways: If you click a dimension once and an edit textbox pops up, you need to turn off Instant3D first. Now to add a dimension from a feature, double click the feature to show all dimensions, then click the dimension to use it in your equation. When you create or edit an equation, you can click any dimension to add it to your equation. I don’t know what changed, but you actually can.Ĭheck out this section in our blog post on custom properties. Can I use custom property values in equations? You can use equations for all kinds of features: extrudes, linear patterns, fillets.Ĭheck out this page by SOLIDWORKS with the complete list. You can also create an equation within the equations viewer. SOLIDWORKS just calculates the value once. If you type an equation (like 3*6) without the equals sign, then this does not create an equation. Just start a dimension with an equals (=) sign, add a formula and press enter. It works in sketch mode and also while entering the extruding thickness, in the equations viewer…. 
You can create an equation all around SOLIDWORKS.
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