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ETTERFOR UsERs OF TI GRAPHIcs CA

BIoRHYTHMS,rr l|[ lar.ri. L!. Valrr l6rir tlt, L|.t Cfi, L.

fi rorhnhm rheory states that a perrcn's biological

}{l functioning is controlled by th,ree phenomena rhat varylJ sinusoidally with time. lr uses the grapls of th,ree srmplesine functions to make predictions about an individual's physical,emotional, and intellecrual p,orential for a paticular day. Thegraphs are given by y-f, sin(Bx) where x=0 corresponds to apenon's day of btnh and where A= I is used to deriote l@%potential. The theory states that when rhe phlsical cycle is near ahigh point, the person can do well in physical activities, and sotbnh.*

If the physical cycle has a period of 23 days, then Tn/B =Zj.Solving, we find that B=7tr/73. The physical bio*rythm can bedescribed by the equation y-sin((2nl23 )x ). Enter this in yourcalculator as Yr.

If the emotional cycle has a periorl of28 days, then B= , ahdthe emotional biorhythrn can be described by y=Enter this in your calculator as Y:.

If the intellectual cycle has a p,eriod of 3l clays, rhen B=_ ,and the intellectual biorhythm can be described by yEnter this in your calculator as Yr. u,*.r-rr€0'nr|: Wr url/ Late rr rrp ro ron rs ro o,irer/rr rou ftd broirdrru arc u rolri m.&d!r ri]AlrEd,

ewwnal ad ntellcctrul plnd. Brrr, My're Krrl cr r dtucia lor ptr,rr,r! ua nrrrcrlrl n41lbryog o trp&ru :nwodai funrrions |r,r,,ir yonr rnr&-aa.

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h Tns lssur:Biorhphms .-..-..;.--.-..-..-;--. CqnUnivcrsal Porcn ..-.......-...,.. lSquid Dansity ................,............r.........................., 4Pncc Opt imianon.. . . . . . . . , . . . . . . . . . . . . . . . . . . . - , . . . . . . . . . . . . . . . . . ICBL'" Bangs Science and Math !o Life ................ 5Extendiry thc Tl-Ek Sta sricel Fsatuc. .............. 6

Trcturology Enhancc Sodcnrs Pcrfomrmc,... SFircndliq WrnJoqs for thc Tl{5 ...-........-.........9Technology in England.................................... lOMeking C,onnecriotu .,........,.....,....,..,.....,.....,.. I I

qlticle or programdrar you wouldlike co haveincluded inEightysomehing!,please send it toone of the editors:

llu|||s.Kent SchoolKent, CT tr67i 7Fax:1r"1J.91.7.4159

AmEmmraGreendalc HS6801 SouthuavGreendale, Wl tj-I29Fax:414-42i-2721

Prr 8rrrJcudan School Disrict916l South lr.r0 EaxSandr', UT 8,1070.298Fax:8cll-i57-80C!\

Iren tanrurr644 .lth Avenue WestKalispell, lr{T i99rllFax; {06.i i6.*i l0

Orn $om\)?inron W,:o.is HSt2J l'West Kemprr Road

. Cincrrtnati, C)H 45240Fax: i l l -815.5141

ftnv WLt||Homewo<rl.Flosmo,:r HS999 Kc,*ic AvenueFlosmoor, lL 611422,219Fax: 708.799.1t42 @

ln Srptemher. 1993. Get-rrge Bre* wasrning rrr get hrs )L\\\h malor lea8ue hir. Cq)r8e was hrm ,,n

Ii'-l]..,.r]]__od his rhrce tiorh*thms rix rhe m.,nrh.*Se;,.;h.;,il1:;;;,il,:";li::..,

lY.::l l: binh t,.r rhe tirst.lav of,september. req:. f",,.ou, i;rt*;;;, ;;;: ,6.1 ;;::.:1;i1",.leap rean. . get the mrximum x.r.alue, irJ,l the nu.k, ni,t"rl, ui:ih.;;;;;:le"i.,.il;;,;; to themlntmum x-value.

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( )9*165+ l!18+ lLl) (What Jtr rhese nriml,ers mean. ,Xrnax. (Xmrn . l0)

Use the above values to *r the RANGE wrnrlow on 1.our calculator.Supgxc vou werc Oeorge BrctCs biorhnhm arlviycr, anci ans*cr the tbllo*rng questrons tr. ,rbsen.rnqlour graph. Y.tu mst r"h5 ,o u.u thc TRACE tunction to help find your an:r.ea.I. What Jav(s) ot the month was Ccorge at his phvsical high pointil. What day(s) ofthe month was Gcoqc at his cmotional high pointl3. What day(s) ot the monrh was Ceorgc at his inrellcctual high poinrl4. On September lO 1992, Gmrep Brcn, atrer missrng two ghmes bccause ot a sh*llcr inlun. sot tour

conrcuti!'e hit' againsr thc Angels in Anaheim and reached rhe hisroric l&!n mark, what wasOeorge s phvsical levcl on that dayl

Now' gnph your biorhyrhms for the upcoming month. The functions will not changr, onr' che range.You must calculate the nurnber of &ys ttom your birth to thc fint day of thc munrhl Th,s *ill b. ilr,n.To find Xmax, add the numkrs of days in rhe month to Xmur. oraph your biorhyrhms .rn the ir-resprovided:

.25

-.25-.5

_75

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lVhat is yorr bcst physical .lay(s) for rhe rnonthlWhat is ycur best emotional day(s)l

whcn shold I schaiulc a test in order for vou to do your bestf (with vour rwk. when will Ischcdulc drc testl)

whcn would I schedule a tesr rn ordcr for your enrr?c group ro do thcrr bcst co[cctivelvlWhat wtll be your best ovcrall day duriq drc monthl WhylBiorhnhm thcory says that thc rnoct drrycrors time, your "*itical" day, for a panicular tuncrron(accidcna, illncsc, bad dccisions) ir 'rh.n it crcses rhc time axs. Dring thc rnonth ploned, what isthi deti ryhcn this 6nt hnppcid fr,r ioir phtsrcal fuitrionf Enrotiomll lntcllcctuallon the day yo' werc bom' all thrcc cycl* a.o at !cro. How oftcn wo.ld yor"r errpcct this to occurduring yorr lifel

Whcn all thrte cyclcs are at or near a lorry, biorhythm thcory chirnr rhat a ocnon's ovenllpcrformance is vcry poor. !7hm &rug *re ncn rhnc nrndu r;ill rcur ovcrall

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