' evaluate the area of a triangle' given its three sidesFunction TriangleArea(side1 As Double, side2 As Double, _ side3 As Double) As Double ' this function uses the Heron formula Dim halfP As Double ' evaluate half of the perimeter halfP = (side1 + side2 + side3) / 2 TriangleArea = Sqr(halfP * (halfP - side1) * (halfP - side2) * (halfP - _ side3))End Function


What We Should Expect from Cell Phone Tech in the Near Future
The earliest cell phones included boxy designs full of buttons and antennas, and they only made calls. Needless to say, we’ve come a long way from those classic brick phones