infoCircle|教育線上App不用買

A student's circle calculator for the iPhone/iPod Touch and the iPad.Calculate the circumference, diameter, radius and the area of a circle by entering any one of these inputs. This app will help beginning algebra students see the relationship of Circumference/Diameter=πFeatures:. Only one input is required to calculate the circumference, diameter, radius and area of a circle. Field clear button. Automatic calculation for field entry or if preferred, a manual calculate button. Alternative value for π. Some teachers prefer a simpler value for π, such as 3.14, for classroom use. The 'value for π' setting allows for this scenario. The value for π is utilized by the app only when set to ON.. Calculation color setting. The colors: red, green, blue or black may be set for the calculated fields to help distinguish between the user entered field and calculated fields. The user entered field is black.. Reset settings button. The settings panel has a reset button to restore the app to the installed defaults. These defaults are: Auto Calculation = ON, Value for pi = 3.14, set to OFF, Calculation color = RED.. More button (…) for the mathematical relationships of the circumference, diameter and radius of circles.

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