VCP.XDATA5f4d435305main03AP00000031mainAPGUQ000008f8 2 A,B,C,D,E,F,G,H,I,J,K,L,N,P,Q,R,S,T,U,V"AP Solver" T "" T "AP Solver (v1.1) 2012 Charlie Watson www.charliewatson.com Seq option overwrites data in Sequence app",T T," - You know?",J C,"1: a & d 2: Two terms",J C<1 C>2 C=1:
N,"Enter a & d with comma between Eg 1,5",T N,",",E E=09 N,E-1,A N,E+1,R(A) AA B(R) RR S C=2+:
N,"First n & Tn with comma between Eg 1,5",T N,",",E E=0 N,E-1,D(D) D N,E+1,F(F) F
N,"Second n & Tn with comma between Eg 2,8",T N,",",E E=0@ N,E-1,G(G) G N,E+1,H(H) HG-D P P=0: "Values no good! Check and try again",T9 C)H-F QQ/P RF-R*(D-1) A7 C C7 C9 C,"1:Tn 3:Tn= 7:Rule 2:Sn 4:Sn= 6:Seq 9:End","AP Options" C=1: "" "Find T(n)" N,"Term n. n=?","Tn"A+(N-1)*R U N,J "T(",J,J J,")=",J U,K J,K,K K C=2: "" "Find S(n)" N,"Sum of n terms. n=?","Sn"N/2*(2*A+(N-1)*R) U N,J "S(",J,J J,")=",J U,K J,K,K K C=3q"" "Tn=" R0S P,"Nth term equals","AP: Tn=" (P-A)/R+1>07: 20,9,P " n=" 20,19,(P-A)/R+1K "No solution",To "All terms the same!",T C=4 "" "Sn=" L,"Sum of first n terms to equal?","AP: Sn=" 20,9,L " n="0 U0 V R=0:0 P A0::L/A V:(2*A-R)^2+8*R*L P P0o:(R-2*A+P^0.5)/(2*R) V(R-2*A-P^0.5)/(2*R) U U>V::V L:U V:L U:'of If R=0 P0 V>0: 20,19,V U>0:: "or": " n=": 20,39,U: "No solution",T C=6 N,"n from 1 to","AP: Table of values"R "aa"1 EN F R,J "a+",J,JJ 7A J"" <0 MP <"" A0 PP A 120,82,"Tap "/' C=7 ""10 C "Explicit" A,J "T=",J,J J,"+(n-1)",J R,K J,K,J J A-R,J "T=",J,J J,"+n",J R,K J,K,J J "" "Recursive" R,J "T+",J,J "T=",J,J J A,J "T=",J,J J C9.b2