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Different programming languages support different styles of programming (called programming paradigms). The choice of language used is subject to many considerations, such as company policy, suitability to task, availability of third-party packages, or individual preference. Ideally, the programming language best suited for the task at hand will be selected. Trade-offs from this ideal involve finding enough programmers who know the language to build a team, the availability of compilers for that language, and the efficiency with which programs written in a given language execute.
The details look different in different languages, but a few basic instructions appear in just about every language:
· input: Get data from the keyboard, a file, or some other device.
· output: Display data on the screen or send data to a file or other device.
· math: Perform basic mathematical operations like addition and multiplication.
· conditional execution: Check for certain conditions and execute the appropriate sequence of statements.
· repetition: Perform some action repeatedly, usually with some variation.
Many computer languages provide a mechanism to call functions provided by libraries. Provided the functions in a library follow the appropriate runtime conventions (eg, method of passing arguments), then these functions may be written in any other language.
Computer programmers are those who write computer software. Their jobs usually involve:
A scientific calculator is a type of electronic calculator, usually but not always handheld, designed to calculate problems in science (especially physics), engineering, and mathematics. They have almost completely replaced slide rules in almost all traditional applications, and are widely used in both education and professional settings.
In certain contexts such as higher education, scientific calculators have been superseded by graphing calculators, which offer a superset of scientific calculator functionality along with the ability to graph input data and write and store programs for the device. There is also some overlap with the financial calculator market.
Modern scientific calculators generally have many more features than a standard four or five-function calculator, and the feature set differs between manufacturers and models; however, the defining features of a scientific calculator include:
In addition, high-end scientific calculators will include such features as
While most scientific models have traditionally used a single-line display similar to traditional pocket calculators, many of them have at the very least more digits (10 to 12), sometimes with extra digits for the floating point exponent. A few have multi-line displays, with some recent models from Texas Instruments and Casio using dot matrix displays similar to those found on graphing calculators.
Scientific calculators are used widely in any situation where quick access to certain mathematical functions is needed, especially those such as trigonometric functions that were once traditionally looked up in tables; they are also used in situations requiring back-of-the-envelope calculations of very large numbers, as in some aspects of astronomy, physics, and chemistry.
They are very often required for math classes from the junior high school level through college, and are generally either permitted or required on many standardized tests covering math and science subjects; as a result, many are sold into educational markets to cover this demand, and some high-end models include features making it easier to translate the problem on a textbook page into calculator input, from allowing explicit operator precedence using parentheses to providing a method for the user to enter an entire problem in as it is written on the page using simple formatting tools.
Scholarships
Some scholarships have a "bond" requirement. Recipients may be required to work for a particular employer for a specified period of time or to work in rural or remote areas; otherwise they may be required to repay the value of the support they received from the scholarship. This is particularly the case with teacher training scholarships and currently with health and medical education scholarships for people from (or prepared to work in) rural and remote areas. The programs offered by the uniformed services of the United States (Army, Navy, Marine Corps, Air Force, Coast Guard, National Oceanic and Atmospheric Administration commissioned corps, and Public Health Service Commissioned Corps) sometimes resemble such scholarships.
Colleges and Scholarship
Seniors, this is the first of many scholarship bulletins that you will see in the course of your senior year. Enclosed you will find information, websites and contacts for a variety of scholarships that encompass both local and national scholarship programs. Applications for these scholarships can be found in the guidance office or on the website if so noted.
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