High School Challenge

Week Ending 12-20-98

Send Answer to: ucfcasio@pegasus.cc.ucf.edu

Congratulations to Narayan Choudury of Maderia Junior/Senior High School in Madeira, OH. Narayan wins the Casio CFX-9850G Color Graphing calculator.

Some Summation

What is the last digit of the computed form of the summation of J! where J goes from zero through 1998?

Correct Solutions:

  1. Daniel Leming. Madeira JHS, Madeira, OH
  2. Jeffrey Mo. University ES, Calgary, Alberta, Canada
  3. Joel Merritt. Merritt Homeschool, Lutz, FL
  4. Narayan Choudury. Madeira JHS, Madeira, OH
  5. Randy Haylor. Keyser HS, Keyser, WV
  6. Wilson Shieh. McNally Composite HS, Edmonton, Alberta, Canada
  7. Laurel Maharaj. Rio Claro HS. Trinidad, West Indies
  8. Eric Hoke. Wayland HS, Wayland, MA
  9. Sorin Ionescu. John Abbott College, Montreal, Canada
  10. Jack J. Shen. Earl Haig HS, North York, Toronto, Ontario, Canada
  11. William Chau. East Brunswick HS, East Brunswick, NJ
  12. Andy Eadon. Grissom HS, Huntsville, AL
  13. Michael Richardson. Lewisville, Lewisville, TX
  14. Yiming Yao. Hazen HS, Renton, WA
  15. Lisa Schechner. Manorhaven ES, Port Washington, NY
  16. Sherard Chiu. Grissom HS, Huntsville, AL
  17. Aaron Moon. Cupertino HS, Cupertino, CA
  18. Ben Tidwell. Grissom HS, Huntsville, AL
  19. Ying Li. Brooklyn Technical HS, New York, NY
  20. Michael Walker. Lincoln Park HS, Chicago, IL
  21. Marvin Dyck. North Lambton SS, Forest, Ontario, Canada
  22. Amanda Drake. Liberty HS, Renton, WA
  23. Daniel Thomas. Grissom HS, Huntsville, AL
  24. Joji Ozawa. Irvington HS, Irvington, NY
  25. Leslie CY Chan. Langstaff SS, Thornhill, ON, Canada
  26. Jason Covey. Liberty HS, Renton, WA
  27. Chen Lin. Mckinley HS, Honolulu, HI
  28. Andrew Dziedzic. Liberty HS, Renton, WA
  29. Eddie Palma. Marysville HS, Marysville, CA
  30. Paul Pagano. Monsignor Donovan HS, Toms River, NJ
  31. Craig Treadaway. Monsignor Donovan HS, Toms River, NJ
  32. Chris Manlapid. Monsignor Donovan HS, Toms River, NJ
  33. Ken Adams. Monsignor Donovan HS, Toms River, NJ
  34. Amy Finck. Monsignor Donovan HS, Toms River, NJ
  35. Daniel Norris. Sweet Home HS, Sweet Home, OR
  36. Angie McCracken. Walkersville HS, Walkersville, MD
  37. Justin Lam. College Park HS, Pleasant Hill, CA
  38. Kinley Beck. Trinity Presbyterian School, Montgomery, AL
  39. Archil ShishmanashviliI. Phys-Math School #42, X, Tbilisi, Georgia
  40. Brian SaenzDeViteri. Monsignor Donovan HS, Toms River, NJ
  41. Kevin Menard. Leicester HS, Leicester, MA
  42. Clark Bedsole. Trinity Presbyterian School, Montgomery, AL
  43. Charlie Mays. Madeira JHS, Cincinnati, OH
  44. Brad Shaw. Madeira JHS, Cincinnati, OH
  45. Sopiea Seing. Madeira JHS, Cincinnati, OH
  46. Pradeep Baliga. Central HS, Tuscaloosa, AL
  47. Melina Platas. Jane Lathrop Stanford MS, Palo Alto, CA
  48. Joyce Pan. Jane Lathrop Stanford MS, Palo Alto, CA
  49. I-Ching Wang. Jane Lathrop Stanford MS, Palo Alto, CA
  50. Naomi Branz. Jane Lathrop Stanford MS, Palo Alto, CA
  51. Greg Sawka. Jane Lathrop Stanford MS, Palo Alto, CA
  52. Erica Yung. Jane Lathrop Stanford MS, Palo Alto, CA
  53. Leslie Choong. Jane Lathrop Stanford MS, Palo Alto, CA
  54. Jack J. Shen. Earl Haig HS, North York, Ontario, Canada
  55. Emmon Chu. Jane Lathrop Stanford MS, Palo Alto, CA
  56. Shimon Kolkowitz. Jane Lathrop Stanford MS, Palo Alto, CA
  57. Olga Russakovsky. Jane Lathrop Stanford MS, Palo Alto, CA
  58. Elana Wenocur. Jane Lathrop Stanford MS, Palo Alto, CA
  59. Jared Haden. Grissom HS, Huntsville, AL
  60. Matthew Gunnin. Trinity Presbyterian School, Montgomery, AL
  61. Rick Qiu. Teda International School, Teda, Tianjin, China
  62. Chia Chis Chun. Teda International School, Teda, Tianjin, China
  63. Beth Kennedy. Monsignor Donovan HS, Toms River, NJ
  64. Edwin Chiu. Gunn HS, Palo Alto, CA
  65. Travis Barr. Liberty HS, Renton, WA
  66. Maxim Bushmakin. Lake Park HS, Roselle, IL
  67. Samuel Keng. JL Stanford MS, Palo Alto, CA
  68. Justin Shih. Clear Lake HS, Houston TX
  69. Paul Bach. Woodford County HS, Versailles, KY
  70. Robert T. Held. Liberty HS, Renton, WA
  71. Brent Bradley. Seymour MS, Seymour, IN
  72. Jeremy Young. Nottingham HS, Waverley Mount, Nottingham, England
  73. Allen Rabinovich. Brooklyn Technical HS, Brooklyn, NY
  74. Lisa Hochrein. Quincy HS, Quincy, CA


Previous Problems

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