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Dongguan City Leya Electronic Technology Co. Ltd

403 Functions Scientific Calculator - manufacturer, factory, supplier from China

(Total 24 Products for 403 Functions Scientific Calculator)

  • complete Scientific Calculator Dual Power 2Line

    complete Scientific Calculator Dual Power 2Line

    • Packaging: Color box packaging, single side suction, double-sided suction plastic

    • Supply Ability: 1,500,00 pcs/month

    • Min. Order: 3000pcs Pack/Packs

    • Model No.: OS-991ES

    Menu for selection of settings appropriate to classroom and study needs combining statistics and advanced scientific functions Helps students explore math and science concepts Entry line scrolling feature Allows review of previous entries to look for patterns Ideal for general math algebra 1 and 2 geometry...

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  • 12 digits check pocket calculators

    12 digits check pocket calculators

    • Model No.: SX-320P

    Although more expensive than the numeric display tube the LED had the advantages of small size low voltage and lower power consumption which made it very suitable for the newly appearing miniature pocket calculators Although expensive at first the price of LEDs soon dropped as production quantities increased and...

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  • 99 steps check desktop calculator

    99 steps check desktop calculator

    • Model No.: SDC-3612

    12 digits desktop calculators Battery solar two way power Plastic key Mark up Extra large display Metal faceplate Certificate RoHS CE Service Customized logo color brand name Package Color box with customized logo Size 87 120 17 mm Packing specifications Inner carton 150 pieces Outer carton 300 pieces Size 59 41 43 5...

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  • 12 digits big display check calculator

    12 digits big display check calculator

    • Packaging: Color box packaging, single side suction, double-sided suction plastic

    • Supply Ability: 1,500,00 pcs/month

    • Min. Order: 3000pcs Pack/Packs

    • Model No.: GT-99

    However the change to the use of integrated circuits was not all smooth as can be seen from an article in the journal Electronic Design in January 1971 entitled Use of LSI in consumer areas picks up but problems remain The age of medium and large scale integration is at hand for a host of consumer products including...

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  • Standard Function Big Display 12-Digit Desktop Calculator

    Standard Function Big Display 12-Digit Desktop Calculator

    • Packaging: Color box packaging, single side suction, double-sided suction plastic

    • Supply Ability: 1,500,00 pcs/month

    • Min. Order: 3000pcs Pack/Packs

    • Model No.: OS-7815

    There are electronic desktop calculator In the late 1960s Intel Corporation then a new company at the forefront of semiconductor memory development took on a contract from Busicom of Japan to produce a series of integrated circuits for the varying specifications of a new range calculators They decided instead to...

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  • 112 Steps 14 digit Desktop Calculators

    112 Steps 14 digit Desktop Calculators

    • Packaging: Color box packaging, single side suction, double-sided suction plastic

    • Supply Ability: 1,500,00 pcs/month

    • Min. Order: 3000pcs Pack/Packs

    • Model No.: GT-77

    The Olivetti Programma 101 was introduced in late 1965 it was a stored program machine which could read and write magnetic cards and displayed results on its built in printer Memory implemented by an acoustic delay line could be partitioned between program steps constants and data registers Programming allowed...

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  • 12-digit calculators with AA battery and solar

    12-digit calculators with AA battery and solar

    • Packaging: Color box packaging, single side suction, double-sided suction plastic

    • Supply Ability: 1,500,00 pcs/month

    • Min. Order: 3000pcs Pack/Packs

    • Model No.: M-28

    Most pocket calculators do all their calculations in BCD rather than a floating point representation BCD is common in electronic systems where a numeric value is to be displayed especially in systems consisting solely of digital logic and not containing a microprocessor By employing BCD the manipulation of numerical...

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  • 12-digit handheld electronic calculator with cover

    12-digit handheld electronic calculator with cover

    • Packaging: Color box packaging, single side suction, double-sided suction plastic

    • Supply Ability: 1,500,00 pcs/month

    • Min. Order: 3000pcs Pack/Packs

    • Model No.: OS-290P

    Made of plastic material of good quality to ensure a long life The key buttons are of rubber material and very comfy to push In shape of a lovely bee whose big eyes can turn around the School Electronic Calculator is very special and charming This 8 Digits Calculator can be used for daily calculation in home school...

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  • 112 steps desktop calculator with big display

    112 steps desktop calculator with big display

    • Packaging: Color box packaging, single side suction, double-sided suction plastic

    • Supply Ability: 1,500,00 pcs/month

    • Min. Order: 3000pcs Pack/Packs

    • Model No.: OS-9914C

    14 digits make it most useful for large calculations Solar and Battery solar function works even in the dim light Ergonomic design comfortable button Wide keyboard with raised keys and increased pressure sensitivity Easy to carry perfect choice for office business and home use Features 14 digits desktop calculators...

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  • 12-digit desktop calculators of High reputation

    12-digit desktop calculators of High reputation

    • Packaging: Color box packaging, single side suction, double-sided suction plastic

    • Supply Ability: 1,500,00 pcs/month

    • Min. Order: 3000pcs Pack/Packs

    • Model No.: OS-2980

    Solar powered with battery backup and auto off for energy savings 12 digit display desktop calculator provides easy viewing Mark up and grand total keys square root percent change sign keys backspace key Memory store and plus minus keys Features 12 digits desktop calculators Battery solar two way power Plastic key...

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  • electronic desktop calculator with 12-digit

    electronic desktop calculator with 12-digit

    • Packaging: Color box packaging, single side suction, double-sided suction plastic

    • Supply Ability: 1,500,00 pcs/month

    • Min. Order: 3000pcs Pack/Packs

    • Model No.: OS-3M

    The cold cathode display tube and the neon lamp operate on the same principal The simple neon indicator lamp consists of a sealed glass tube with two closely spaced non heated electrodes an anode and a cathode The tube contains neon gas at very low pressure together with a small percentage of mercury vapour They are...

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  • electronic register value calculator with 10-digit

    electronic register value calculator with 10-digit

    • Packaging: Color box packaging, single side suction, double-sided suction plastic

    • Supply Ability: 1,500,00 pcs/month

    • Min. Order: 3000pcs Pack/Packs

    • Model No.: OS-2M

    The life performance of a numerical display tube depends to a great extent on the length of time the discharge is maintained on a single cathode ie number This is because in any gas discharge device the cathode is subjected to constant ion bombardment which removes material from the cathode and deposits it elsewhere...

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  • electronic scientific calculator 12 digits instructions

    electronic scientific calculator 12 digits instructions

    • Packaging: Color box packaging, single side suction, double-sided suction plastic

    • Supply Ability: 1,500,00 pcs/month

    • Min. Order: 3000pcs Pack/Packs

    • Model No.: OS-5M

    The photograph above shows the typical bottle shape of the early instrument type CRT and its metal shielding casing Anyone who has seen inside a modern television or computer monitor danger very high voltages present when in use will have seen the much fatter squatter versions which are still used On the right of the...

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  • electronic reliability calculator with desktop

    electronic reliability calculator with desktop

    • Packaging: Color box packaging, single side suction, double-sided suction plastic

    • Supply Ability: 1,500,00 pcs/month

    • Min. Order: 3000pcs Pack/Packs

    • Model No.: OS-4M

    The normal figures quoted in published data for the life of a numerical indicator tube is 5 000 hours with a continuous display of one character and 30 000 hours when sequentially changing from one digit to the next every 100 hours or less Cold cathode numerical display tubes are often called Nixie tubes though this...

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  • 99 steps check desktop calculator

    99 steps check desktop calculator

    • Packaging: Color box packaging, single side suction, double-sided suction plastic

    • Supply Ability: 1,500,00 pcs/month

    • Min. Order: 3000pcs Pack/Packs

    • Model No.: SDC-3612

    The first electronic desk calculators of the 1960s and early 1970s were very large and VERY expensive but were versatile quick and silent They were so expensive that many could be rented by the week If you only wanted to add lists of numbers then mechanical and electro mechanical calculators were fast and still cost...

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  • 112 steps handheld calculators with 12 dight

    112 steps handheld calculators with 12 dight

    • Packaging: Color box packaging, single side suction, double-sided suction plastic

    • Supply Ability: 1,500,00 pcs/month

    • Min. Order: 3000pcs Pack/Packs

    • Model No.: CT-6S

    The same argument applies when hardware of this type uses an embedded microcontroller or other small processor Often smaller code results when representing numbers internally in BCD format since a conversion from or to binary representation can be expensive on such limited processors For these applications some small...

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  • calculator volume of a check calculator

    calculator volume of a check calculator

    • Packaging: Color box packaging, single side suction, double-sided suction plastic

    • Supply Ability: 1,500,00 pcs/month

    • Min. Order: 3000pcs Pack/Packs

    • Model No.: GT-88

    With the cover removed showing the main circuit board with the display daughter board The display is amber gas discharge The display daughter board has been removed to reveal the integrated circuits The main ones are from General Instruments Microeletronics 12 digits check desktop calculators Battery solar two way...

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  • 112 Steps Desktop Calculators with Check

    112 Steps Desktop Calculators with Check

    • Packaging: Color box packaging, single side suction, double-sided suction plastic

    • Supply Ability: 1,500,00 pcs/month

    • Min. Order: 3000pcs Pack/Packs

    • Model No.: GT-66

    Early calculators were not things Rather they were people who were employed to calculate Over time these people were first aided but later replaced by calculating devices These devices became very widely used across many countries There is evidence we may now be passing the heyday of such stand alone calculators This...

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  • two-way power pocket calculator of 112 steps

    two-way power pocket calculator of 112 steps

    • Packaging: Color box packaging, single side suction, double-sided suction plastic

    • Supply Ability: 1,500,00 pcs/month

    • Min. Order: 3000pcs Pack/Packs

    • Model No.: CT-222VC

    One of the key features of the contemporary world is its high level of interconnection In such a world it is easy to imagine that developments in mathematics which happen in one place will be known and built on almost simultaneously in another Yet that is a very modern concept In most of history the movement of...

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  • 12 digits big display Metal faceplate calculator

    12 digits big display Metal faceplate calculator

    • Packaging: Color box packaging, single side suction, double-sided suction plastic

    • Supply Ability: 1,500,00 pcs/month

    • Min. Order: 3000pcs Pack/Packs

    • Model No.: CT928

    The calculator circuit board with the gold coloured General Instrument Microelectronics C500 integrated circuit very prominent The LED display module is held in place with pvc tape which may be a later addition 12 digits desktop calculators 112 Steps Battery solar two way power Plastic key Mark up Extra large display...

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  • 120 Steps Check Desktop Solar Calculator

    120 Steps Check Desktop Solar Calculator

    • Packaging: Color box packaging, single side suction, double-sided suction plastic

    • Supply Ability: 1,500,00 pcs/month

    • Min. Order: 3000pcs Pack/Packs

    • Model No.: CT-7212VC

    These hand held calculators with the Ruby name are unusual since although labelled Advance Electronics Co Ltd on the back they were manufactured in Taiwan and not by Advance Electronics Ltd at Bishops Stortford It could be that by the mid 1970s with the collapse in the price of calculators they could not manufacture...

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  • 112 Steps Desktop Calculators with 14 Digit

    112 Steps Desktop Calculators with 14 Digit

    • Packaging: Color box packaging, single side suction, double-sided suction plastic

    • Supply Ability: 1,500,00 pcs/month

    • Min. Order: 3000pcs Pack/Packs

    • Model No.: SDC-3614

    The single large double sided circuit board from a Canon Canola 1200 of 1969 showing some of the 48 silicon integrated circuits the black rectangles that performed the calculating functions just a few years later Each integrated circuit contains a number of transistors together with the equivalents of resistors and...

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  • 12 digits double display handeld calculator

    12 digits double display handeld calculator

    • Model No.: CT-139

    At the start of the 1970s hand held electronic calculators were very costly at two or three weeks wages and so were a luxury item The high price was due to their construction requiring many mechanical and electronic components which were costly to produce and production runs that were too small to exploit economies of...

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  • 112 steps calculators with Pocket calcualtor

    112 steps calculators with Pocket calcualtor

    • Packaging: Color box packaging, single side suction, double-sided suction plastic

    • Supply Ability: 1,500,00 pcs/month

    • Min. Order: 3000pcs Pack/Packs

    • Model No.: CT-700LI

    The use of the glass circuit board was a dead end in the development of calculators Subsequent models from Sharp with this type of display have conventional circuit boards though their LCD display modules have a similar construction to the display section on the glass circuit boards LCDs have the great advantage of...

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Review

Tom Morrison

Oct 20, 2019 5

The 403 Functions Scientific Calculator price is resonable. And its quality is good too.
Emad Ismail

Oct 19, 2019 4

Happy to cooperate with this suppiler. Great 403 Functions Scientific Calculator !
Michael Ferreira

Oct 16, 2019 4

exactly as described and had experienced no issues with the 403 Functions Scientific Calculator .
Our improvement depends on the superior equipment, excellent talents and continuously strengthened technology forces for 403 Functions Scientific Calculator , Function Scientific Calculator , 417-function Scientific Calculator , you should get in touch with with us freely.
We've numerous great employees customers excellent at promoting, QC, and working with kinds of troublesome difficulty inside the generation method for 403 Functions Scientific Calculator , Function Scientific Calculator , 417-function Scientific Calculator , Our staffs are adhering to the "Integrity-based and Interactive Development" spirit and the tenet of "First-class Quality with Excellent Service". According to the needs of every customer we give customized & personalized services to help customers achieve their goals successfully. Welcome clients from home and abroad to call and inquire!

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