What is the definition of at?
What the definition is telling us is that for any number ε >0 ε > 0 that we pick we can go to our graph and sketch two horizontal lines at L +ε L + ε and L −ε L − ε as shown on the graph above.
What does dated at mean on a document?
“Dated on” and “dated this” generally refers to the actual date, whereas “dated at” refers to the city where the signatory signed. When you see something like “signed this ___ day of _______, 20___”, how should you fill it out? Let’s explain it using a few examples.
What does at what cost mean?
The cost of living has been increasing at an unusually high rate. What does this mean for your future investment returns? You may have noticed it costs almost twice as much to fill up your car at the pump relative to last year, or that the pack of the ...
What does the term 'at least' mean in math?
“At least” in math means the smallest possible amount or number that you can use in a set. The answer is not lower, but it can be higher, hence “greater than or equal to.” This is a number sentence, which is a mathematical sentence made up of numbers and signs.
How long can you live with ataxia-telangiectasia?
Ataxia telangiectasia is a rare, multiorgan neurodegenerative disorder with enhanced vulnerability to cancer and infection. Median survival in two large cohorts of patients with this disease, one prospective and one retrospective, is 25 and 19 years, with a wide range.
What does ataxia-telangiectasia affect?
Ataxia-telangiectasia (AT) is a rare inherited condition that affects the nervous system, the immune system and other body systems. It is characterized by the presence of: Progressive ataxia (lack of coordination) due to a defect in the cerebellum (the part of the brain involved in coordinating the movement of muscles)
What are the symptoms of ataxia-telangiectasia?
Key points about ataxia telangiectasia (A-T) Symptoms often begin to show up by age 5, but they can occur later. Symptoms include slurred speech, poor balance, lack of muscle control, and tiny red spider veins in the corners of the eyes or on the ears and cheeks. There is no cure.
What is A_T?
Ataxia-telangiectasia, or “A-T,” is a progressive, degenerative disease that affects a startling variety of body systems. The first signs of the disease usually appear early in childhood (the toddler stage), when children begin to walk.
Is there a cure for ataxia-telangiectasia?
General Treatment of Ataxia-Telangiectasia. There is no cure for any of the problems associated with A-T. Treatment is supportive but should be proactive.
What are the early signs of ataxia?
Typically the most common symptoms of ataxia are listed below:Balance and coordination are affected first.Poor coordination of hands, arms, and legs.Slurring of speech.Wide-based gait (manner of walking)Difficulty with writing and eating.Slow eye movements.
What is the life expectancy of a person with ataxia?
People with the condition usually live until the age of 19 to 25, although some may live into their 50s.
What does telangiectasia look like?
They often appear as fine pink or red lines, which temporarily whiten when pressed. "Matted" telangiectasias are clusters of these small dilated blood vessels that form a pink or red patch on the skin. Individuals who are otherwise healthy can develop this condition, and it is sometimes associated with varicose veins.
Can ataxia be reversed?
There is no specific treatment for ataxia. In some cases, treating the underlying cause may help improve the ataxia. In other cases, such as ataxia that results from chickenpox or other viral infections, it is likely to resolve on its own.
What does "at" mean in the dictionary?
Idioms about at. be at (someone), to be sexually aggressive toward (a person): She's pregnant again because he's at her morning, noon, and night. where it's at, Informal. the place where the most interesting or exciting things happen: Emma says that Rome is definitely where it's at now.
What is 23andme at home?
The at -home genetics testing company 23andme, established in 2006, helps people learn more about their “DNA rel at ives.”. This at -home blood test kit gives a full reading of antioxidant, f at ty acid, or vitamin panels. At -home caretakers are eligible for Medicaid waivers, which allow benefits regardless of income.
What is AT in computer terms?
AT can be high-tech: special-purpose computers. AT can be hardware: prosthetics, mounting systems, and positioning devices. AT can be computer hardware: special switches, keyboards, and pointing devices. AT can be computer software: screen readers and communication programs.
What is AT in education?
AT can be inclusive or specialized learning materials and curriculum aids. AT can be specialized curricular software. AT can be much more—electronic devices, wheelchairs, walkers, braces, educational software, power lifts, pencil holders, eye-gaze and head trackers, and much more. Assistive technology helps people who have difficulty speaking, ...
What is the ATIA conference?
The ATIA Conference, held annually since 1999, showcases products and services for the assistive technology community—from users to educators to industry and government professionals. In addition, the ATIA sponsors working groups through which its members work to advance industry standards as technology changes, ...
What is an ATIA?
The ATIA is a not-for profit membership organization of manufacturers, sellers, and providers of technology-based assistive devices and services. ATIA members are active in providing assistive technology for the gamut of disabilities: Autism spectrum disorders. Blindness and low vision. Deafness and hard of hearing.
What is an assistive technology?
Assistive technology (AT) is any item, piece of equipment, software program, or product system that is used to increase, maintain, or improve the functional capabilities of persons with disabilities. AT can be low-tech: communication boards made of cardboard or fuzzy felt. AT can be high-tech: special-purpose computers.
What is an AT computer?
1. Short for advanced technology, AT is an IBM computer first introduced in 1984. The base model AT computer contained an 80286 processor, 256 k of RAM and a 1.2 MB floppy disk drive. The AT was also available with 512 k of RAM and a 20 Mbyte disk drive. Today, an AT-class system is any computer with a 16-bit, 32-bit, or 64-bit system.
What is AT class?
Today, an AT-class system is any computer with a 16-bit, 32-bit, or 64-bit system. Earlier computers (8-bit) were known as PC/XT-class systems. All new computers used today are considered AT-class computers and you're not likely to encounter earlier computers.
How to make the @ symbol on a keyboard?
Creating the @ symbol on a U.S. keyboard. To create the at symbol using a U.S. PC keyboard, hold down the Shift and press the number 2 near the top of the keyboard. To create the at symbol using an Apple keyboard, hold down the Option key and press the number 2 at the top of the keyboard.
What is A-T in medical terms?
Ataxia-telangiectasia, or “A-T,” is a progressive, degenerative disease that affects a startling variety of body systems. The first signs of the disease usually appear early in childhood (the toddler stage), when children begin to walk. Though they usually start walking at a normal age, they wobble or sway when walking, standing still or sitting.
How common is A-T?
Epidemiologists estimate the frequency of A-T between 1 in 40,000 and 1 in 100,000 births. But it is believed that many children with A-T, particularly those who die at a young age, are never properly diagnosed. Therefore, this disease may actually be much more common.
What are the other features of A-T?
Other features of ataxia-telangiectasia that may affect some children are: diabetes mellitus, premature graying of the hair, difficulty swallowing causing choking and/or drooling and slowed growth. Even though A-T is a multi-system disorder, most individuals with A-T are very socially aware and socially skilled.
Why do children with A-T lose their ability to write?
Because of the worsening ataxia, children with A-T lose their ability to write, and speech also becomes slowed and slurred. Even reading eventually becomes impossible as eye movements become difficult to control. Telangiectasia.
Can A-T patients tolerate radiation?
Ironically, another facet of the disease is an extreme sensitivity to radiation, which means that A-T patients cannot tolerate the standard levels of therapeutic radiation or radiomimetic drugs (chemotherapy drugs that work in a way that is similar to radiation therapy) usually given to cancer patients. Other Features of A-T.
Can A-T cause pneumonia?
For these A-T patients, the combination of a weakened immune system and the progressive ataxia can ultimately lead to pneumonia as a common cause of death. Predisposition to Cancer. Children with A-T tend to develop malignancies of the blood system almost 1,000 times more frequently than the general population.
Is A-T incurable?
A-T is presently incurable and unrelenting. If they are lucky enough not to develop cancer, most A-T children are dependent on wheelchairs by the age of ten, not because their muscles are too weak, but because they cannot control them. Later, A-T patients usually die from respiratory failure or cancer by their early or mid-twenties.
When to use "at" or "at"?
The preposition 'at' is used with specific times of the day. This includes any exact hours with 'o'clock' — at one o'clock, five o'clock, etc. For more specific times, use the numbers. Generally, we use the twelve-hour clock when speaking about everyday life. Schedules use the twenty-four clock.
What is the preposition for "at"?
The preposition 'at' is used when referring to buildings as locations in a city. This can be confused with the preposition 'in'. Generally, 'in' is used with buildings to mean that something occurs inside the building. 'At', on the other hand, is used to express that something happens at the location.
What does "at any rate" mean?
'At any rate' often begins an informal sentence to move the discussion from one topic to another, or to end a story. 'At any rate' can also finish a sentence.
When to use "in" in a sentence?
If you are careful you can see Venus on the horizon at sunrise. Jeremy often goes to be late at night. Use 'in' when referring to a period of time in the future. We will be finished with the project in two weeks' time. I think I'm going to study Russian in three years.
What is the most common preposition in English?
Updated July 12, 2019. 'At' is one of the most common prepositions in English. The preposition 'at' is also used in a number of set phrases. This page summarizes the preposition 'at' used for time and place using examples to illustrate usage. Important prepositional phrases with 'an' are used as discourse markers which help connect sentences.
What is an at in play?
Here are some more examples. Notice the points noted above in play. First, at is acting as a connector, drawing the subject/verb together with the direct object. Second, at is followed by a noun or pronoun, most likely the direct object.
How to learn the correct usage of "at"?
The best way to learn the correct usage of at is to pay attention to people speaking and to what you're reading, and then keep practicing.
What is a preposition like "at"?
A preposition like at is likely to follow certain words in order to make the relationship crystal clear between other words in the sentence (looking at, depends on, driving by ). Here’s an example sentence: I am looking at him. In this example, you could only use the preposition at.
When to use "at" in a sentence?
When you use the word at in a sentence, you should notice that it smoothly connects the other words around it. If the word at isn’t working as a connector, then it will most likely be working as an adverb. As such, rather than connect words it will modify one of the words in the sentence.
Is using "at" a challenge?
When students get into the whole notion of subjects, verbs, and direct objects, there can be a bit of a breakdown in learning. If that seems to be the core of the problem, try reviewing these 20 rules of subject-verb agreement.
Is AT&T stock down?
AT&T stock was down over 26% in 2020, even after recovering nearly 30% from its lows of the coronavirus bear market. So far in 2021, share have traded down 2%. On the positive side, the stock maintains a high 7.4% annualized dividend yield in a very low interest rate environment.
Is the stock market in an uptrend?
Currently, the stock market is in an uptrend which means it's a great time to identify top stock contenders for your portfolio and initiate new positions. Investors should seek out leading stocks in leading industry groups that are outperforming the market.
What Is AT&T Next Up?
AT&T Next Up lets you upgrade to the newest device, so long as you've paid off 50% of your current phone, for only five dollars more. Sounds a little too good to be true, right?
Who Is Eligible?
The good news is, as long as you have an installment plan with them already, you're probably eligible for AT&T Up Next. Your account must be in good standing, which means no outstanding fees or late payments.
The Bottom Line
AT&T Next Up is perfect if you're all about having the latest phone. For only five dollars more a month, you have the flexibility to upgrade as soon as a new device is available.
