Manipulate Surds & Exact Calculations

Interactive macro-enabled MS-Excel spreadsheet. Contents: Write square roots of numbers as surds in their simplest form a√b. Simplify the addition or subtraction of surds using laws of surds. Simplify the product or quotient of surds using laws of surds. Evaluate the mean of three or four roots & write it in surd form a√b. Expand brackets & simplify using laws of surds. Square an expression & simplify using laws of surds. Rationalise the denominator of a fraction given in surd form. Evaluate the perimeter of a rectangle with sides given in surd form. Evaluate the area of a rectangle with sides given in surd form. Write the length of a right-angled triangle’s hypotenuse c as a surd. Solve right-angled triangle problems with sides given in surd form. Evaluate the perimeter of a triangle or quadrilateral in surd form. Find the (x, y) position of 2 points a√b units from a given point A.