{VERSION 6 0 "IBM INTEL NT" "6.0" } {USTYLETAB {CSTYLE "Maple Input" -1 0 "Courier" 0 1 255 0 0 1 0 1 0 0 1 0 0 0 0 1 }{PSTYLE "Normal" -1 0 1 {CSTYLE "" -1 -1 "Times" 1 12 0 0 0 1 2 2 2 2 2 2 1 1 1 1 }1 1 0 0 0 0 1 0 1 0 2 2 0 1 }} {SECT 0 {EXCHG {PARA 0 "" 0 "" {TEXT -1 63 "Stewart 3-5-68 length of d ay in philly, rate of change per day:" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 34 "L:=t->12+2.8*sin(2*Pi/365*(t-80));" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 101 "evalf(D(L)(80))*hr/day;\nevalf(%*60*min/ hr,4);\n2*min/day+evalf((%-2*min/day)*60*sec/min,2);\nfactor(%);" }}} {EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 102 "evalf(D(L)(141))*hr/day;\ne valf(%*60*min/hr,4);\n1*min/day+evalf((%-1*min/day)*60*sec/min,2);\nfa ctor(%);" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 0 "" }}}}{MARK "0 0 0" 63 }{VIEWOPTS 1 1 0 1 1 1803 1 1 1 1 }{PAGENUMBERS 0 1 2 33 1 1 }