Revision history for Perl extension Math::NumberCruncher.

4.03 Wed Dec 19 15:44:11 2001
    - Fixed the Variance() test in test.pl to allow for 
      slight error tolerance.
    - Added Root(), which calculates the N-th root of a given number.

4.02 Mon Dec 17 11:49:18 2001
    - Modified all routines that use square roots to use
      the internal SqrRoot() function whenever possible, 
      and included abs() to account for bad data.
    - Added complete test suite for all functions.

4.0  Wed Nov 21 16:21:43 2001
    - Added OO interface. Will continue to support
      funcitonal interface for backward compatibility.
    - Added the following:
        Eccentricity()
        LatusRectum()
        EllipseArea()
        OrbitalVelocity()
        SqrRoot()
        asin()
        acos()
        atan()
        acot()
        asec()
        sec()
        csc()
        exsec()
        tan()
        cot()
        vers()
        covers()
        hav()

3.0  Mon Jul 02 10:41:09 2001
        - Fixed typo in Range()
        - Added data verification prior to processing to
          all routines that got grumpy when insufficient/improper
          data was passed. (Thanks again to Ronald Blaschke, M.S.)
        - Added DimensionlessSpeed_2()
        - Added copyright info

2.2  Wed Jun 27 14:54:05 2001
    - Made minor change to Mean() and Range() to return undef 
        on error. (Thanks to Ronald Blaschke, M.S.)
    - Added the following:
        RuleOf72()
        CylinderVolume()
        ConeVolume()
        Deg2Rad()
        Rad2Deg()
        C2F()
        F2C()
        in2cm()
        cm2in()
        ft2m()
        m2ft()
        kg2lb()
        lb2kg()
        RelativeStride()
        RelativeStride_2()
        DimensionlessSpeed()
        ActualSpeed()
        - Added value of e out to 200 places.

2.0  Mon Feb 12 11:50:58 2001
    - Added many new features:
        TriangleHeron()
        PolygonPerimeter()
        Clockwise()
        InPolygon()
        InTriangle()
        BoundingBox_Points()
        PolygonArea()
        CircleArea()
        Circumference()
        SphereVolume()
        SphereSurface()

1.3  Sat Nov 25 17:18:44 2000
    - Corrected error in Difference()
        (Thanks to Rusty Thomas, Ph.D., for finding the error.)

1.21 Tue Sep 19 08:57:51 2000
    - Corrected typo in AllOf()
        (Thanks to Wim Verhaegen for finding the error.)

1.2  Mon Sep 18 13:24:43 2000
    - Fixed minor error in Range()
    - Added Predict(), for predicting value of Y, given slope, y-intercept, and proposed
        x value.

1.1  Wed Aug 30 14:41:52 2000
    - First public version