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September 16, 2009

Why You Have to Know Algebra?

Algebra is one of the most critical and superior branches of mathematics. Although at beginning it may look to just fly over your head, practice helps in making understanding things a lot better. pupils will have to study this for many stages, thus it is essential to create a sound base from the beginning.

Areas that are Difficult

Algebra covers a vast number of topics, graphing being one of them. This could include graphing a circle, graphing systems of radical inequalities, graphing inequalities or graphing quadratic equations . Another topic that is part of algebra has to do with exponents. This can range from subtracting exponents, dividing exponents or just employing the laws of exponents. Rationalizing, factorizing, matrices, hyperbolas and quadratics all have to do with algebra.

Some students find algebra quite hard. Still, in today’s day and age that is not a problem as almost each student has access to a computer. A pupil can easily use online mathematics programs that instruct and test pupils. For practicing and enhancing accomplishments, there are worksheets available in these software program. Online tutors are also accessible and are easy to reach. These tutors charge an hourly rate and tutor pupils as if they were face to face.

Getting Assistance with Algebra

There are a large number of software systems that can help pupils. These computer programs provide bit-by-bit guides to help students through their troubles. These software packages can help you with your homework, test readiness and even exam preparation! As algebra has a wide number of sub-sections you can select packages that link to your specific difficulty or problem. This could be basic algebra, algebra 1, algebra 2 or just graphs. Some software programs also include games and videos that could further develop your algebraic skills.

Algebra calculators are one of the most essential tools available for aiding your skills in algebra. They can help solve some types of algebraic questions. Mostly these will include questions that have to do with quadratic equations or complex inequalities. Various types of calculators help pupils to focus on various areas of algebra.

Though these computer software packages and other aids can help many people overcome a great number of problems, it is important that other resources are also utilized for further enhancing your algebra skills. Using these facilities and cheating would only be a loss to yourself. These package are ideally used for double-checking your answers of your homework assignments rather than using them to complete the real tests.

May 29, 2009

Algebra Is for All of Us

Algebra as a Science

Algebra science is the branch of mathematics that is interested in the study of structure, relation, and quantity. Algebra handles working with numbers, symbols, sets of elements and also matrices as in linear algebra. You can believe algebra as one of the most important branches of mathematics, if not the most primary. Algebra includes categories such as Linear algebra, Universal algebra and Algebraic geometry.

Need Help in Studying Algebra?

Different software applications have been published to help students studying algebra at unique levels, such software help students to go through their courses gradually and develop algebraic problem solving techniques . Nearly all cases of algebraic problems can be figured out using these software applications because they support and aid to work around different classes of equations, formulas and inequalities. If you’ve been struggling to solve quadric, simultaneous, exponential or radical and linear equations , you need not worry any more. These software most probably will contain an algebraic course of study plan and a wizard too; Moreover, algebra calculators facilitate a lot of algebraic processes for students of that field of mathematics.

The Big Picture on Algebra

many students forever wonder why we learn algebra; they can see no good reason behind it. Well, if we were to talk about uses of algebra, then it has both direct and indirect benefits, which I think, algebra students should be taught. The indirect benefit of studying algebra could be explained in working the mind in an configured model. For the direct benefit, algebra has a plenty of uses in different sciences and industries.

Actually, algebra applications cover a lot of real life aspects such as in financial markets etc, for instance in robotics research or rocket science. Also, in various science researches like physics, quantum mechanics, Informatics and even in the military; one such aspects which will be considered briefly in this article is the algebra applications in programming.

Algebra in Programming

Relative algebra concepts were the ground for the relational database concept. Also, easy algebra was used in modeling of complex XML models and building XML database management systems. Moreover, we can pinpoint usage of algebra for ROM-based Procedural Language and ALF- Algebraic Logic Functioning programming language. Many other high-tech programming languages developed for the role of solving algebraic problems as AML-Algebraic Modeling Language, where this language describes the complicated problem, such as complicated optimization problems, then calls particular external algorithms to solve the problem.

June 13, 2008

More on Letter of Credit – Closer look at some Key Terminology

Filed under: School of Mathematics @ 9:33 pm

Having discussed how to secure paymet in Letter of credit
in an earlier article (Letter of Credit – How to Secure Your Payment, Beware of Potential Traps in L/C Payment), let’s look at some key terminology associated with Letter of Credit (L/c)

Irrevocable Letter of Credit
An irrevocable letter of credit cannot be amended or cancelled without the consent of the issuing bank, the confirming bank (if any), and the beneficiary. The payment is guaranteed by the bank if the credit terms and conditions are fully met by the beneficiary. The words “irrevocable documentary credit” or “irrevocable credit” may be indicated in the L/c.

Irrevocable and Without Recourse Letter of Credit
The irrevocable letter of credit received from an advising bank may be indicated as “irrevocable and without recourse documentary credit”. The words “without recourse” mean that the advising bank will not be able to recover the money paid to the beneficiary in case the issuing bank does not pay the advising bank.

Revocable Letter of Credit
A revocable letter of credit can be amended or cancelled by the issuing bank at any time without the consent of the beneficiary, often at the request and on the instructions of the applicant (buyer). There is no security of payment in a revocable letter of credit. The words “this credit is subject to cancellation without notice”, “revocable documentary credit” or “revocable credit” usually are indicated in the L/c. Obviously, this type of L/c is highly risky from the beneficiary point of view.

Confirmed Irrevocable Letter of Credit
An irrevocable letter of credit opened by an issuing bank whose authenticity has been confirmed by an advising bank (usually a prime world bank) and where the advising bank has added its confirmation to the credit is known as confirmed irrevocable letter of credit. The words “we confirm the credit and hereby undertake …” or “we add our confirmation to this credit and hereby undertake …” normally are included in the L/c. An exporter whose method of payment is a confirmed irrevocable L/c is assured of payment even if the importer or the issuing bank defaults. The confirmed irrevocable L/c is particularly important from buyers in a country which is economically or politically unstable. In a confirmed letter of credit, the exporter or the importer pays an extra charge called the confirmation fee, which may vary from bank to bank within a country. The fee usually is added to the exporter’s account. The exporter may indicate in the sales contract that the confirmation fee and other charges outside the seller’s country are on the buyer’s account.

Unconfirmed Irrevocable Letter of Credit
An irrevocable letter of credit opened by an issuing bank but not confirmed by an advising bank (usually a prime world bank) is known as an unconfirmed irrevocable letter of credit. The promise to pay comes from the issuing bank only, unlike in a confirmed irrevocable L/c where both the issuing bank and the advising bank promise to pay the beneficiary.

Restricted Negotiable Letter of Credit
In a restricted negotiable letter of credit, the authorization from the issuing bank to pay the beneficiary is restricted to a specific nominated bank.

Freely Negotiable Letter of Credit
In a freely negotiable letter of credit, the authorization from the issuing bank to pay the beneficiary is not restricted to a specific bank, any bank can be a nominated bank as long as the bank is willing to pay, to accept draft(s), to incur a deferred payment undertaking, or to negotiate the L/c. The words “this credit is not restricted to any bank for negotiation” or “this credit may be negotiated at any bank”, or similar words, may be indicated on the L/c.

Revolving Letter of Credit
When a letter of credit is specifically designated “revolving letter of credit”, the amount involved when utilized is reinstated or replenished. In other words, once supply has been made and beneficiary receives payment for the shipment, the L/c amount becomes available again without issuing another L/c and usually under the same terms and conditions. The revolving L/c is used for regular shipment of a large quantity over a period of time (several months).

Latest Negotiation Date
The latest negotiation date is the last day of the period of time allowed by the letter of credit for the presentation of documents to the bank. The latest negotiation date may not necessarily be the L/c expiry date. For example, the latest negotiation date can be July 31, 2001 or 15 days after the date of shipment, whichever comes first. In case the L/c does not stipulate the latest negotiation date, it is within 21 days after the date of issuance of the transport documents, but on or before the L/c expiry date.

Expiry Date and Place
The expiry date and place is the last day of validity of the credit and the place allowed by the letter of credit for the presentation of documents for payment, acceptance or negotiation. In case the validity of an L/c is stated in a period of time, for example “this credit is valid for three months” or “this credit is available for two months” or “this credit is good for one month”, but does not specify the date from which the time is to run, its validity starts from the issuance date of L/c by the issuing bank. The bank normally discourages stating the L/c validity in a period of time. In case the expiry date and/or the latest negotiation date falls on a day on which the bank is closed for reasons not including the acts of God, strikes, riots, civil commotions, lockouts, insurrections, wars or any other causes beyond the bank’s control, the expiry date and/or the latest negotiation date is extended to the succeeding first day on which the bank is opened. Such extension, however, does not extend the latest date of shipment.

Latest Shipment
The latest shipment—latest date of shipment or last date for shipment—is the last day of the period of time allowed by the letter of credit for shipment, dispatch or taking in charge.

Transferable Letters of Credit
A letter of credit can be transferable or non-transferable. The L/c usually indicates “transferable” in the case of a transferable credit. In the absence of such indication, the L/c is deemed to be non-transferable. In a transferable letter of credit, the first beneficiary (the exporter) may request the paying, accepting or negotiating bank to make the credit available in whole or in part to one or more second beneficiary or beneficiaries. The second beneficiary can be another exporter, trader or manufacturer. The L/c is expressly designated “transferable” by the issuing bank on instructions of the applicant. The letter of credit that was transferred or made available to the second beneficiary is known as the transferred credit. The bank that makes the transfer is known as the transferring bank.

Non-transferable Letter of Credit
In a non-transferable letter of credit, the beneficiary cannot transfer the credit to other beneficiary. The L/c usually indicates “non-transferable” or “not transferable. ” Even if such indication in not there, the L/c is deemed to be non-transferable.

Amit worked in blue-chip Indian and MNCs for 15 years in various capacities like Research and Information Analysis, Market Development, MIS, R&D Information Systems etc. before starting his e-commerce venture in 1997. He writes regularly for The Great Indian Bazaar (http://www.infobanc.com) You may find more articles by Amit at http://www.infobanc.com/articles/index.htm Visit Amit’s Blog at http://ez-import-export.blogspot.com.