in shibuya tokyo type public traded as tyo 6952 industry electronic engineering founded april 1946 ; 70 years ago 1946 04 as kashio seisakujo 1 june 1 1957 1957 06 01 as casio computer co. ltd. founders tadao kashio toshio kashio headquarters shibuya tokyo japan 2 key people kazuo kashio chairman and ceo kazuhiro kashio president and coo products watches includes g shock and wave ceptor ranges clocks calculators digital cameras electronic musical instruments label printers page printers office computers revenue 338.4 billion us 2.836 billion 2015 number of employees 11 592 2015 website world.casio.com casio computer co. ltd. kashio keisanki kabushiki gaisha is a multinational consumer electronics and commercial electronics manufacturing company headquartered in shibuya tokyo japan . its products include calculators mobile phones digital cameras electronic musical instruments and digital watches . it was founded in 1946 and in 1957 released the world s first entirely electric compact calculator . casio was an early digital camera innovator . during the 1980s and 1990s casio developed numerous affordable home electronic keyboards for musicians . contents 1 history 2 products 2.1 calculators 2.1.1 scientific calculators 2.1.2 basic calculators 2.2 watches 2.3 musical instruments 2.4 other 3 gallery 4 see also 5 references 6 external links history edit casio was established in april 1946 by tadao kashio an engineer specializing in fabrication technology . kashio s first major product was the yubiwa pipe a finger ring that would hold a cigarette allowing the wearer to smoke the cigarette down to its nub while also leaving the wearer s hands free . 3 japan was impoverished immediately following world war ii so cigarettes were valuable and the invention was a success . after seeing the electric calculators at the first business show in ginza tokyo in 1949 kashio and his younger brothers toshio kazuo and yukio used their profits from the yubiwa pipe to develop their own calculators . most of the calculators at that time worked using gears and could be operated by hand using a crank or using a motor see adding machine . toshio possessed some knowledge of electronics and set out to make a calculator using solenoids . the desk sized calculator was finished in 1954 and was japan s first electro mechanical calculator . one of the central and more important innovations of the calculator was its adoption of the 10 key number pad ; at that time other calculators were using a full keypad which meant that each place in the number 1s 10s 100s etc. . . had nine keys . another distinguishing innovation was the use of a single display window instead of the three display windows one for each argument and one for the answer used in other calculators . 1 4 in 1957 casio released the model 14 a sold for 485 000 yen 5 the world s first all electric compact calculator which was based on relay technology . 1957 also marked the establishment of casio computer co. ltd. in the 1980s its budget electronic instruments and its line of affordable home electronic musical keyboard instruments became popular . the company also became well known for the wide variety and innovation of its wristwatches . it was one of the earliest manufacturers of quartz watches both digital and analog . it also began selling calculator watches during this time . it was one of the first manufacturers of watches that could display the time in many different time zones and of watches with temperature atmospheric pressure altitude and even global positioning system displays . a number of notable digital cameras innovations have been made by casio including the qv 10 the first consumer digital camera with an lcd screen on the back 6 developed by a team led by hiroyuki suetaka in 1995 the first consumer three megapixel camera the first true ultra compact model and the first digital camera to incorporate ceramic lens technology . products edit casio s products include calculators watches cash registers illuminators digital cameras exilim series film cameras laptop and sub notebook computers mobile phones electronic keyboards pdas e data bank electronic dictionaries digital diaries early pdas electronic games computer printers clocks and portable televisions . in the 1970s and 80s casio was known for its electronic including scientific calculators and electronic musical instruments . today casio is most commonly known for making durable and reliable digital watches . 6 the g shock range of shock resistant watches is popular with the 1983 g shock dw 5600c being highly sought after by collectors . casio made a variety of digital watches with in built games in the 1980s and 90s which were highly popular at the time . casio also makes products for local markets including a prayer compass watch designed to help muslims pray on time and in the right direction . 7 calculators edit scientific calculators edit note this is a list of selected calculators . figures in parentheses imply approximate year of introduction . graphing fx 9860g gii sd fx 9860g slim classpad 300 plus 330 algebra fx 2.0 plus fx 1.0 plus cfx 9850gc plus cfx 9850gb plus cfx 9800g fx 9750g plus gii fx 8500g 8000g fx 7500g 7400g plus gii fx 7000g ca. 1985 vi 9850gb plus rm 7000 9000 programming fx 5800p 3950p fx 3650p 50f plus 2000s fx 4500pa 4500p fx 5500la 5500l fx 3900pv 3900p 1990s fx 4800p fx 3600p 1980s fx 4000p 3500p 3800p fx 5000f 50f late 1980s fx 850p fx 702p ca. 1981 fx 603p fx 602p 1981 fx 180p 390pv program early 1980s fx 180pv fx 502p 501p ca. 1979 professional fx fd10 pro 2014 surveying calculator for civil engineering classwiz high resolution natural textbook display fx 991ex 570ex 350ex 82ex early 2015 fx jp900 jp700 jp500 late 2014 japan only natural v.p.a.m. natural display s v.p.a.m. two line multi replay v.p.a.m. visually perfect algebraic method lcd one line fx 65 true fraction mid 1990s fx 95 equation mid 1990s fx 991d 570d 115d 100d early mid 1990s fx 82d 250d 82lb 82super 82sx 82solar early 1990s fx 992v 992vb 991v 115v 85v ; fx 991h 911h early 1990s fx 991n 911n 115n 85n ; fx 250c fx 570c late 1980s fx 991m 115m 85m ; fx 451m mid late 1980s fx 650m ; fx 580 ; fx 100c 82c mid late 1980s fx 570 100 350 77 early mid 1980s fx 82 82b 82l fx 58 early 1980s fx 2000 2200 2500 fx 48 late 1970s vfd digitron display fx 1 2 3 desk ; fx 10 handheld early mid 1970s used msi medium scale integration fx 11 15 20 101 17 19 102 1000 pro fx 1 pro 101 mid 1970s fx 21 29 31 39 120 140 mid late 1970s fx 201p 202p program mid 1970s basic calculators edit note this is a list of selected models . lcd display desk calculators ds 3ts dh 160 dv 220 dj 240d dj 120d mj 120d mw 8v 2000s pocket calculators js 140tvs nj 120d sl 1000tw hl 122tv 2000s hl 810 1985 sl 800 film card 1983 lc 78 mini card 1978 printing calculators hr 100tm dr 210tm 2000s vfd digitron led display desktop calculators al 1000 1967 pocket calculators 1970s cm 601 mini cm 606 personal mini 101 mr y 811 memory 8r al 8 with fraction input h 813 personal m 1 cq 1 with clock function watches edit g shock baby g oceanus edifice wave ceptor databank pro trek classic casio f91w musical instruments edit electronic musical instruments casiotone keyboards privia celviano etc. keyboards cz synthesizer pt 80 monophonic eight patches mid 80s 8 9 pd synthesizer vl 1 synthesizer tonebank ct series lk series key lighting 1997 present ctk wk series standard 2000 present ctk wk series high grade 2003 present xw synthesizers 2013 sa mini keyboards other instruments dg 20 electronic guitar 1987 digital pianos privia 2005 present privia pro stage 2012 present celviano 2007 present celviano hybrid grand hybrid 2015 cdp compact series 2008 present other edit digital cameras qv series wqv series ex series exilim tryx pda databank cassiopeia pv series pocket viewer sf series fx series electronic dictionary ex word series electronic games cg series data and video projector xj s super slim projectors system products pos systems portable data terminals printing systems cd label printer label printer mobile phones g zone type l g zone commando g zone ca 201l digital diaries early pda s no longer produced game consoles pv 1000 casio loopy pc computers casio is very little known in the pc computing industry but they launched some very well built machines where we can see the models fp1000 and fp 1100 models http www.old computers.com museum computer.asp c 101 & st 1 based on the zilog z80 processor and cp m the fp 6000 models http www.old computers.com museum computer.asp c 820 & st 1 which were ms dos not pc dos ... and the fp4000 and 4100 models which were fully pc compatible . although very well built and rudged casio stop producing the machines in the middle eighties . . the model fx9000 http www.old computers.com museum computer.asp c 760 & st 1 was unique with non volatile slot cards with 4kb which today would be equivalent to sd cards . gallery edit casio ev sp3900 electronic dictionary cassiopeia pda qv 10 digital camera ex s600 digital camera au w31ca mobile phone casio fx 570ms an old casio calculator casio fx 115es scientific calculator with natural display fx 991ms scientific calculator casio fx 991ex classwiz high resolution natural textbook display casio fx 7000g the world s first graphing calculator fr 2650t calculator with printer for checkout name land kl p7 pb 770 pocket computer with fa 11 extension dock sf r20 digital diary early pda f 105w watch left and fx 300es scientific calculator right casio sport outgear sgw 400hd 1bv casio f 91w digital watch dw 5600e 1v a g shock watch with one of the first illuminator casio edifice efa 111d 7av watch with 10 year battery life casio prg 60 aver triple sensor watch pro trek triple sensor watch casio g shock with tough solar watch casio tough solar wave ceptor watch casio wave ceptor radio synchronized watch vl tone vl 1 sampletone sk 1 casiotone 201 cz 1 digital synthesizer az 1 keytar pg 380 midi guitar dh 800 digital horn ctk 496 home keyboard wk 200 workstation keyboard privia px 130 digital piano casio celviano ap 620 see also edit tokyo portal companies portal casio graphic calculators references edit a b history . casio computer co. ltd. retrieved 30 april 2012 . corporate . casio . retrieved on february 25 2009 casio corporate history 1954 . casio europe . casio europe gmbh . retrieved 13 february 2016 . tadao kashio biography history of casio computer company 2015 . astrum people website . retrieved 11 04 aug 26 2015 casio desktop calculator by dentaku museum . a b review casio history prayer compass . retrieved 22 march 2015 . casio pt 80 . synthmuseum . retrieved 7 september 2015 . casio g shock ga 100 review . youtube . retrieved 14 june 2016 . external links edit wikimedia commons has media related to casio . casio worldwide casio international casio bangladesh casio g shock special site casio edifice special site company history books shashi . shashi interest group . april 2016 . wiki collection of bibliographic works on casio v t e casio products calculators graphic calculators v.p.a.m. scientific calculators 9850 series 9860 series classpad 300 fx 502p series fx 602p series fx 603p fx 702p fx 850p fx 3650p fx 3900pv fx 7000g fx 991es cameras exilim musical instruments synthesizers cz synthesizers mt 40 sd synthesizers sk 1 vl 1 other az 1 casiotone ctk 230 ctk 691 privia zanzithophone software photoloader watches g shock dw 5000c dw 5600e frogman master of g other f 91w databank oceanus wave ceptor other be