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• Casio Fx 991 Ex Classwiz

The Casio ClassWiz fx-991EX is yet another scientific calculator that can do much more than your classic scientific calculator. The ClassWiz has 12 different apps that bring it way above and beyond what is expected from a scientific calculator. Item 5 CASIO FX-991EX FX991EX Advanced Scientific Calculator - 552 FUNCTIONS -ClassWiz. - CASIO FX-991EX FX991EX Advanced Scientific Calculator - 552 FUNCTIONS -ClassWiz.

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Casio Computer Co., Ltd. (カシオ計算機株式会社Kashio Keisanki Kabushiki-gaisha) is a Japanese multinationalconsumer electronics and commercial electronics manufacturing company headquartered in Shibuya, Tokyo, Japan. Its products include calculators, mobile phones, digital cameras, electronic musical instruments, and analogue and digital watches. It was founded in 1946, and in 1957 introduced the world's first entirely electric compact calculator. It was an early digital camera innovator, and during the 1980s and 1990s, the company developed numerous affordable home electronic keyboards for musicians along with introducing the world's first mass produced digital watches.

• 2Products
  • 2.1Calculators

History[edit]

Casio Fx 991 Ex Classwiz

Casio was established as Kashio Seisakujo in April 1946 by Tadao Kashio (樫尾忠雄 1917-1993), an engineer specializing in fabrication technology.^[1] 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.^[7] 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][8]

Casio Computer Co., Ltd. was formed in June 1957.^[1] That year, Casio released the Model 14-A, sold for 485,000 yen,^[9] the world's first all-electric compact calculator, which was based on relay technology.

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 camera innovations have been made by Casio, including the QV-10, the first consumer digital camera with an LCD screen on the back^[10] (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 watches, calculators, electronic keyboards and other digital music instruments such as digital cameras (Exilim series), film cameras, cash registers, laptops and sub-notebook computers, mobile phones, 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 best known for its electronic (including scientific) calculators and electronic musical instruments and affordable digital watches incorporating innovative technology. Today, Casio is most commonly known for making durable and reliable electronic products.^[10] The G-Shock range of shock-resistant watches is popular, with the 1983 G-Shock DW-5600C being highly sought-after by collectors. The scientific calculators made by Casio especially the CLASSWIZ series of calculators are known for being affordable while incorporating a host of functions as compared to their competitors.^[11]

Casio also makes products for local markets, including 'Prayer Compass' watch series designed to help Muslims pray on time and in the right direction.^[12]

Calculators[edit]

Scientific calculators[edit]

Note: This is a list of selected calculators. Figures in parentheses show approximate year of introduction.

• Graphing
  • ClassPad 300 Plus / 330
  • fx-CG10 / 20 / 50
  • fx-CG500
  • 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-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)
• V.P.A.M.
  • CLASSWIZ (High-resolution Natural Textbook Display)
  • 'Natural V.P.A.M.'
  • 'Natural Display'
  • S-V.P.A.M. / Two-line, Multi-replay
• 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]

Note: Only Notable watches are mentioned in this heading.

• G-Shock
  • Baby-G
  • MT-G
• Lineage
• Sheen
• Youth Series^[13]
  • Classic
    • W-96H
    • W-210H
    • W-213H
    • W-216H
    • W-218H
    • W-800H
    • HDD-600G
    • F-200W
  • World time
    • AE-500W
    • AE-1100W
    • AE-1200WH
    • AE-1400WH
    • AE-2000W
    • AE-2100W
    • AE-3000W
  • Multiple timers
    • AE-1300W
  • Stopwatch lap memory
    • W-734
  • Vibration alarm
    • W-735H
    • W-736H
• Prayer compass
  • CPA-100
  • CPW-500HD
• Pro-Trek
  • PRT-40
  • PRG-60-T
  • PRG-240
  • PRG-600
  • PRW-6100Y-1DR
  • WSD-F200-RG
• Classic
  • F-series
  • A158W
  • A159W
  • A168W
  • A178W
  • LA680
  • B640
  • W59
  • CA-53W (calculator watch)

Musical instruments[edit]

• Electronic Musical Instruments (Casiotone keyboards, Privia, Celviano, etc.)
  • Keyboards
    • CZ-Synthesizer
    • FZ-1 Sampling Synthesizer
    • PT-80 (monophonic, eight patches, mid-1980s)^[14]
    • PD-Synthesizer
    • VL 1 Synthesizer
    • ToneBank CT Series
    • LK Series Key Lighting (1997–present)
    • CTK/WK Series Standard (1990–present)
    • CTK/WK Series High-Grade (2003–present)
    • CT-X Series (2018-present)
    • XW Synthesizers (2013)
    • SA Mini Keyboards
    • MZ-X performance arrangers(2016-)
  • Other instruments
    • DG-20 electronic guitar (1987)
  • Digital Pianos
    • Privia (2005–present)
    • Privia ProStage (2012–present)
    • Celviano (2007–present)
    • Celviano Hybrid/Grand Hybrid (2015)
    • CDP Compact Series (2008–present)

Other[edit]

Gallery[edit]

• Casio EV-SP3900 Electronic dictionary

• Cassiopeia PDA

• QV-10 Digital camera

• EX-S600 Digital camera

• Au W31CA Mobile phone

• Casio V.P.A.M. fx-570S Scientific calculator

• Casio fx-570MS

• Casio calculator

• Casio fx-115ES Scientific calculator with Natural Display

• fx-991MS Scientific calculator

• 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 electroluminescent backlights

• 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' watch with 'Tough Solar' technology

• Casio Tough Solar 'Wave Ceptor' watch

• Casio 'Wave Ceptor' Radio-Synchronized Watch

• Casio MTP-1335D-1AV Analog Watch

• Casiotone 201

• 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

• Casio fx-280 Scientific Calculator

• Casio Privia PX-330

See also[edit]

References[edit]

1. ^ ^abcd'History'. Casio Computer Co., Ltd. Retrieved 30 April 2012.
2. ^'Corporate.' Casio. Retrieved on 25 February 2009
3. ^'Notice of Kazuo Kashio's Passing of Chairman and Representative Director'. Retrieved 19 June 2018.
4. ^'CASIO Annual Report 2017'(PDF). CASIO. Retrieved 8 August 2017.
5. ^'CASIO Annual Report 2017'(PDF). CASIO. Retrieved 28 February 2019.
6. ^'Employees'. CASIO. Retrieved 8 August 2017.
7. ^'CASIO Corporate History 1954'. CASIO-Europe. CASIO Europe GmbH. Archived from the original on 19 February 2016. Retrieved 13 February 2016.
8. ^'Tadao Kashio Biography: History of Casio Computer Company'.
9. ^Casio desktop calculatorArchived 12 January 2008 at the Wayback Machine by Dentaku Museum.
10. ^ ^abReview: Casio:History
11. ^'Casio CLASSWIZ FX-991EX Full Review'. Retrieved 25 February 2019.
12. ^'PRAYER COMPASS'. Casio. Retrieved 22 March 2015.
13. ^https://www.casio-intl.com/in/en/wat/youth/youth-digital/
14. ^'Casio PT-80'. Synthmuseum. Retrieved 7 September 2015.
15. ^'The Museum'. old-computers.com.
16. ^'The Museum'. old-computers.com. Archived from the original on 2010-11-21. Retrieved 2016-09-27.
17. ^'The Museum'. old-computers.com.

External links[edit]

• Media related to Casio at Wikimedia Commons