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Text File  |  1993-02-28  |  2KB  |  20 lines

  1. "AST1CAL3 EQUATION VARIABLE |N 7 0N|","02-28-1993","18:28:19"
  2. "COMMRATIO=SIGN(TERM#B/TERM#A)*EXP(LOG(ABS((TERM#B/TERM#A))/(INDEX#B-INDEX#A))) TERM#1=TERM#A*COMMRATIO^(INDEX#A-1) TERM#2=TERM#1*COMMRATIO TERM#3=TERM#1*COMMRATIO^2 TERM#4=TERM#1*COMMRATIO^3 TERM#N=TERM#1*COMMRATIO^(N-1) SUM=TERM#1/(1-COMMRATIO)"
  3. "INFINITE GEOMETRIC PROGRESSION. A sequence of numbers in which any number, or term, after the first can be obtained by multiplying its         predecessor by a fixed number COMMRATIO which is always less than 1.            Example 16, 4, 1, 1/4... or 1, 1/2, 1/4, 1/8...                                                                                                                 Ans(a) Set INDEX#A=1, INDEX#B=2, N=1, TERM#A=16, TERM#B=8. The sum of the serie is 32.                                                                                                                                                          Ans(b) Set INDEX#A=1, INDEX#B=2, N=1, TERM#A=16, TERM#B=-4. The sum of the series is 12.8.                                                                                                                                                      Type any key to exit.            (c) Copyright PCSCC, Inc., 1993                                                                                                               ||(a) Find the sum of the infinite geometric progression:        16, 8, 4, 2....                                                                                  (b) Find the sum of the infinite geometric progression:        16, -4, 1, -.25....                                                                       Type comma key to see answers. Type (F2) to return to helpfile."
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