Geoff Hagopian
Associate Professor of Mathematics
College of the Desert 


MA, Mathematics, University of California at Davis, 1986
BA, Mathematics, University of California at Santa Cruz, 1982

 Work Phone: 776-7223
E-Mail: ghagopian@collegeofthedesert.edu

The theme of
Mathematics Awareness Month 2004
was
The Mathematics of Networks

Past MAM Themes

My User’s Guide to the TI-85
TI-85Program Archive
Large Integers on the TI-85


22,976,221 - 1
is prime!
... and, as of November 17, 2003
we know
220,996,011 - 1
is also prime!
Join the Great Internet Mersenne Prime Search

Fall '04 Schedule

Time\day Monday Tuesday Wednesday Thursday Friday
7:45-8:00   Calculus 1A    Calculus 1A   
8:00-8:50 Calculus 1A  Calculus 1A  Calculus 1A 
8:50-9:30 Office Hours
9:30-10:40 Intermediate Algebra
10:40 - 11 Office Hours
5:00-7:30 Precalculus   Precalculus    

 
  Spring '04 Schedule

Current Interests:
Windows Game Programming
Earth Systems Science

  

Earth Statistics
Mass (kg)
5.976e+24
Mass (Earth = 1)
1.0000e+00
Equatorial radius (km)
6,378.14
Equatorial radius (Earth = 1)
1.0000e+00
Mean density (gm/cm^3)
5.515
Mean distance from the Sun (km) 
149,600,000
Mean distance from the Sun (Earth = 1)
1.0000
Rotational period (days)
0.99727 
Rotational period (hours)
23.9345
Orbital period (days)
365.256
Mean orbital velocity (km/sec)
29.79
Orbital eccentricity
0.0167
Tilt of axis (degrees)
23.45
Orbital inclination (degrees)
0.000
Equatorial escape velocity (km/sec)
11.18 
Equatorial surface gravity (m/sec^2)
9.78
Visual geometric albedo
0.37
Mean surface temperature
15°C
Atmospheric composition
Nitrogen 
77%
Oxygen
21%
Other
2%