• Start with 3 dozen • Find the square root
• Increase by the number of sides in 8 triangles
• Find half
• Increase by 11
What is your number?

To find the inverse of a number a, one can use the equation f(c) = a-1/c=0 where c is the inverse of a use the secant method of finding roots of equations to find the inverse of a = 2.5 ,er = 0.001%