Casio Printing Calculator || What is Inside ?

Biggest Calculator & What's Inside ?
Hello Friends In this video I have tried to give you detailed information about printing calculator & what's inside ?. I hope this video will prove useful for you.
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What is IC ULN2004 ?
Answer : The ULN2003, ULN2004, are high voltage, high current Darlington arrays each containing seven open collector Darlington pairs with common emitters. Each channel rated at 500 mA and can withstand peak currents of 600 mA.
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👉 Casio HR-8RC-BK 150 Steps Check & Correct Printing Calculator Purchase Link Below....
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ELD : Electroluminescent Display
The two main ways of producing light are incandescence and luminescence. While in incandescence an electric current is driven through a conductor, which produces heat in resistance to the current and hence generates light, luminescence is generally referred to all forms of visible light due to other causes than temperature.
Electroluminescence (EL) thus means the non-thermal creation of light resulting from the application of an electrical field to a substance. The light-emitting substance is usually a doped luminescent crystal (phosphor), e.g. zinc sulfide (ZnS). Depending on the dopant, different colors can be achieved. The best results are achieved from a manganese-activated zinc sulfide (ZnS:Mn), which emits a yellow-orange color peaking at 585nm. A greenish light can be produced using a copper dopant (ZnS:Cu) and a silver dopant (Zns:Ag) will result in a bright blue.
They are compact, lightweight, inexpensive in production and can be made in any color. The light output of ELDs is very reliable with typically only 10% loss after 10000 hours of operation and a lifetime of over 100000 hours.
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1 : What are printing calculators used for ?
Answer : Printing calculators, also called adding machines, are desktop calculators often used in the financial sector. Much larger than standard and pocket calculators, the buttons are easier to use, greatly increasing speed for financial calculations. The viewing display is also larger for more efficient readings.
2 : Do people still use printing calculators ?
Answer : Even in today's technology-driven world, the printing calculator is still the quickest and most efficient way to perform your calculations and provide immediate proof of your work.
3 : Who still uses printing calculators ?
Answer : In an age of computer spreadsheets and desktop calculators, one might wonder why the need for printing calculators still exists. However, a great number of financial institutions, accountants, and tax professionals still use these machines daily.
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#calculator #whatisinside #techtools

[@sharadkushwaha4225]

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[@INAM45VLOGER]

Sir mosquito bat k transformer ki AC output 100 volt aa rhi hy to kya transformer theek hy aur push button 5 sec tak push karnay per transister heat ho rha hy aur last
DC out put 250 volt bta rha hy kya problem hay? jab k diod, aur pf multimeter theek bta rha hy. Kindly find problem sir?

[@abhishekpandey9341]

Wow it is very big 😱

[@nilimamahata7905]

Ink Kyse vorte hai?

[@ShariqKhan-o7n]

Sar mujhe adaptor chahie kya mil jaega DR 120r

[@WANG-GAMER]

Most interesting is teardown if possible teardown

[@TechToolsElectronics]

Thanks for the feedback...

[@Ravi-rm7xf]

👍

[@PremKumar-ek4sj]

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[@TechToolsElectronics]

Namaste...

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[@sciencemind7297]

Sir iska price kitna hai

[@TechToolsElectronics]

Rs 4500/-

[@PremKumar-ek4sj]

Amazon per 1705 Rs

[@TechToolsElectronics]

Ye Casio BR-120R hai....
Casio HR-8RC-BK ka Price Rs 1705/-
Casio HR-100RC ka Price Rs 2700/-
Casio BR-120R ka Price 3956/-

[@PremKumar-ek4sj]

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