Another feature of the Extended Features of IFs is the Computations button. Clicking on this button will present users with the following options:
A new window will appear. In the box, type in a formula you would like IFs to calculate. After typing in this formula, click Enter. This will bring up a new window. From this window, you can accomplish the following:
Formula Name: Type in the formula name you would like. Use standard symbols in order to distinguish different mathematical functions. Use * for multiplication, / for division, + for addition, - for subtraction etc.
Dimension Name: Type in the formula name you would like. This name is used for organization purposes.
Units Name: Type in the Units Name you would like.
After you have typed in the names you prefer, click Enter: This will bring you back to the Type your Formula window.
The variables you used in your formula are now displayed at the bottom of the screen in the left column: Now, click on Select Vars. You will return to the Full Variable/Parameter Selection window where you will select a variable.
After you have selected the variables you want, click Exit: You will then return to the Type your Formula menu. The variable/parameter you have chosen to incorporate a formula into will be labeled.
Save Formula in Analog Option: Click on this option to save your formula. This will bring up a warning that, if you want to firmly save changes, you will have to manually copy IFsVar.MDB from the local driver to the Data directory after exiting IFs.
Display Formula: Select this option to display the formula currently used.