**IMPORTANT:** Numeric entry fields must not contain dollar signs, percent signs, commas, spaces, etc. (only digits 0-9 and decimal points are allowed).

Click the **Terms** tab above for a more detailed description of each entry.

#### Step #1:

Select the number of decimals places you would like the calculated measurements rounded to.

#### Step #2:

Enter the known circle measurement into its corresponding field, and make sure the other three measurement fields are empty.

#### Step #3:

Tap the "Calculate Circle" button, which will calculate the values for the unknown measurements, plus display the formulas and steps the calculator used to solve for them.

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