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How to create formula (Parameter) in

CATIA V5 ?

1. Create component with all constrains.

2. Click on formula button.

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3. Click in PART BODY from specification tree and rename

the parameters required.

4. List all the renamed parameters.

Select parameter on which you want to apply formula then

click on ADD FORMULA.

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5. Apply formulas in the form of equations(don’t apply any

formula on parent parameter) to respective parameters.

Click OK. E.g. for D input L1/3

6. Check in the ACTIVE column all formulas are applied or

not. Click OK.

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7. Go to sketcher from specification tree change the

dimensions of the parent parameter.

8. You will get the result in the component. SAVE. OK.