laptop keypad

Laptop accessories at Amazon

• Plug & Play - no driver or software required
• Ideal for notebooks without a number pad
• Compatible with Microsoft Windows 98 / 2000 / ME / NT / XP / Vista

• Operating System Supported : Windows ME/2000/XP/2003/Vista
• Powered by USB port 5V, 50mA max

• Ergonomic tilt provides support to help prevent wrist strain
• Wireless technology provides a cordless workspace and allows the keypad to function up to 33 feet away from the receiver
• Battery indicator light lets users know when batteries are running low so there are no surprises

• Do calculations with this efficient basic solar-powered (with battery backup) business calculator
• See calculations on either your laptop/notebook or the calculator
• Launch Microsoft Word, Excel, or the CalcPad software with a single button

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Letter and number template notebook speakers



AssetID: 95588422 / Steve Allen / Letter and number template A telephone keypad is a keypad that appears on a "Touch Tone" telephone . It was standardised when the dual-tone multi-frequency system in the new push-button telephone was introduced in the 1960s, which gradually replaced the rotary dial . The contemporary keypad is laid out in a 4×3 grid, although the original DTMF system in the new keypad had an additional column for four now-defunct menu selector keys. When used to dial a telephone number, pressing a single key will produce a pitch consisting of two simultaneous pure tone sinusoidal frequencies. The row in which the key appears determines the low frequency, and the column determines the high frequency. For example, pressing the '1' key will result in a sound composed of both a 697 and a 1209 hertz (Hz) tone. Note that the layout of the digits is different from that commonly appearing on calculators and numeric keypads . The "*" is called the "star key" or "asterisk key". "#" is called the "number sign ", "pound key", or "hash key", depending on one's nationality or personal preference. These can be used for special functions. For example, in the UK, users can order a 7.30am alarm call from a British Telecom telephone exchange by dialling: *55*0730# . Most of the keys also bear letters according to the following system: These letters have had several auxiliary uses. Originally, they referred to exchanges . In the mid-20th century United States, before the advent of All-Number Calling , numbers were seven digits long including a two-digit prefix which was expressed as the letters rather than numbers e.g.; KLondike5-5445 . The UK telephone numbering system used a similar two-letter code after the initial zero to form the first part of the subscriber trunk dialling code for that region - for example, Aylesbury was assigned 0AY6 which translated into 0296. (The majority of these original numbers have remained, particularly in the rural areas, and are currently still in service. The modern equivalent of 0AY6, namely 01296, still refers to Aylesbury.) The letters have also been used, mainly in the United States, as a way of remembering telephone numbers easily. For example, an interior decorator might license the phone number 1-800-724-6837 but advertise it as the more memorable phoneword 1-800-PAINTER. Sometimes businesses advertise a number with a mnemonic word having more letters than there are digits in the phone number. Usually, this means that you just stop dialing at 7 digits after the area code or that the numbers are ignored by the switchboard. In recent times, the letters on the keys are needed also for entering text on mobile phones , for text messaging , entering names in the phone book, etc.; multi-tap and predictive text systems are used. Description above from the Wikipedia article Telephone keypad, licensed under CC-BY-SA full list of contributors here. This page is not affiliated with, or endorsed by, anyone associated with the topic.

Price: $39.95

Laptop accessories art

Took last 2008 while studying low light shooting... Try not to focus on my keypad. xD lol

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