Or to be a bit more precise:
72.4430811050993330125904653358725313044169957127755222126539298401492638461284738670796854287279274115660841204694227826436439325980039157896420081657928876032632679810228518608033139213766710296444707134986831702485581108032999991405456106614042979628466230712776493000180767189105856091218496488288548058839987131202864268840183386039574160914941768149160531896245992733832203085382984183039895507794715856167332439906833550299682550978460525719985662385293417913486089130445921322886626279799726698408057490558248303833340690609497529792299976411413532880634241772537421037522489488744777431128646049512779326499956926639019391772663041024960810753888214395954208395691508076754870626671504762430642210761247110304179233862709659762264238887380621226348908975033860837971831079866796449632799375639943790109263239643846318538296016955914222317381021044688777374685415841374166540862323241255532133952041263855816675915050740327441498082101687624893259742067226749157686740379363034880074115312331380668746857296684394669891443221207666805793208844367537721929669654898094484177017965133054023942445221059798684557460420060298197242089909604956680225509966352251876583217180069102731215059670290109501535220861840041429718717130771840934893219266406548641949776348929394907604710665225901779231019747812051178923720126258382244066815536328008244473915148631105593605409064168220988818116803495215766086804093723551393572583857162266546241558387050613510332053365449632876052925585911202181050402734551690784362741734005561775882948060676624124441391731897235361804220810049479116070578419762621272725995815944537811494806157871918609804146187933183643355641612894026720854713887992947135315754057558936021163724581614356738080106330071867446890395169019197784187885262198427377448038487265956628911619265153716228433106291639872568455734561306531928553865892149388366555459335075406915037654955697499244217950755767297871770775317672541576009503505257696608783123634960312205864235749164758331281954991034804386314910207944014031946435282396722041872310304838594446742638406100274820406803476801099471585656859436868254825875111814085211056408557388457734495700809576321733878418880047995574412710571166170004802228893489273505988933074107457135492004122531742768435664700594985881713543186051762915493354758266307457882309391015561729801235329815283962365358009220434672975660652911139756271336774779455821572038087861762561147804347455654940518611331386144378915650404847325815273772741180813700082147806589908179956345554949490062088224446978807968817158703315146593303370282909594469675729371934529499414829219617507778310861541311807083933257597107955257500983746979400126529699344938460295837160587018658418504189176898733182577863755466445825144629202218661888157211944702253626517674048403167821756470534962919467209403292326658216431373521393434869238149580726382296222819949114256300374732962473297537347778464929939580769893476184721769549426981496092333952636093759037334042613275015147256643048422625452818167624229459993575551500092120030095702948848803812118673029874063802261535874183263895717845127382128611698837382119435130660847861120686649251087876755284961165859575191680678631039757788749905717391070827467813868016403908135749905412742364282830313131145955867756493449345320390911692817697329467156079368454234238110503152483165618032712654982002108802709701758458090017032862715849963406050425847208796201800497096190840339936758238623549625080984142144101109306730471545501748052005355719286716593802028610437777415812635629237158350592511167924567488765426553771118416980634146766178269643033755662467631365922547899062344444424890080293603468500065692366798633274585647187279220848622769635236035383657681574485044382511424511428501758087751101640118432762389122416389603153624230528223439518687613918638764455640512568890631449141734105267187797289801967340928464708061191180045967991968441737681020831149940624352820606954970935780101444377191965531583144785726118579314910667009742310317824149287987972932534350488613697719229936431064796928750012789535525427949194519869711022185381715015500857359110512567185612969090186711...
I just wrote everything on my ankle, wore pants, then sat with that leg crossed during the quizzes
Sounds like that teacher was great at developing students into engineers...
Right away, I can tell it's not going to be easy. No square number ends with 2, 3, 7 or 8.
Assuming the number is square, the first digit can be found through successive approximation, the last digit is then mapped to 0→0, 1→1/9, 4→2/8, 5→5, 6→4/6, 9→3/7. To differentiate between the low/high number in ambiguous cases, one can estimate the difference from the bottom/top of the decade, compare to ⌷5² (can be calculated with an easy trick) or check for division by 3.
This is completely off-topic, but scrolling by this post in my feed on my phone caused the angled black lines in the background to appear animated. Very bizarre. I'm not sure if it was an optical illusion or something funky is going on with my screen.
Well that's an interesting coincidence! I'm using the same iPhone on what I assume is the same app Voyager.
"What precision?" - That's how you know it's going to get serious. Then after he receives the response, he just replies with "80085".