Chandrajeet

How to Prepare for Math Examinations

Please have in mind that in-class exams don't just test your ability to do math, but also your abilities as a test taker. Some general hints: 1. When preparing for the exam, make sure you do the following: • Solve many problems to increase your ... Read >

Mathematics in Physics and Chemistry

‘Mathematics is the queen of all sciences' - those are the words of Carl Friedrich Gauss the greatest mathematician of all time. Mathematics is an important tool for science. Math is most widely used in other sciences. Physics, Chemistry, astronomy, ... Read >

Happy Numbers

Introduction A ‘happy number' is a special type of number. A "happy number" is defined by the following process. 1. Take any positive integer ‘p'. 2. Break it down into digits. 3. Square the digits and add those squares. 4. You get a new num... Read >

Greatest Possible Error

Introduction No measurement is exact. Every time we make a measurement a certain degree of error creeps in, however careful we are. Measurement errors depend on the measuring instrument used and how we use the instrument. The graduations on a measu... Read >

Supplementary Angles

Definition of Supplementary Angles Two angles are said to be supplementary if the sum of their measures is 180°. Each angle is the supplement of the other. Examples of Supplementary Angles The following pairs of angles are supplementary. Each pa... Read >

The Counting Principle

The counting principle works for two or more events occurring in series. It is used to find the total number of possible outcomes when two or more events occur together. The counting principle states that: If a first event has ‘p' possible outcome... Read >

Indirect Proof

The concept of proof is an important part of mathematics. There are three basic types of proofs: direct proofs, indirect proofs, and proofs by contradiction. In this article, let's learn about Indirect Proof. Please take time and read it carefully till... Read >

Algebraic Expressions

Introduction An algebraic expression is a combination of numbers, letters, and four basic arithmetic operations. The numbers in an algebraic expression are called constants. The letters in an algebraic expression are called variables. In an alge... Read >

Measures of Variation

Measure of variation is an important characteristic of a data set. It's a fundamental concept in statistics. Measure of variation is a measure that describes how the values in a set of data are spread out around the measure of central tendency. It i... Read >

Amicable Numbers

The term "amicable" means "friendly". Amicable numbers are friendly numbers. Amicable numbers are a pair of numbers such that the sum of the proper divisors of each number equals the other number in the pair. Okay… What are proper divisors?... Read >

Mathematics in Banking – Compound interest

NO banking WITHOUT Mathematics. Many of you would have learned about Simple interest and compound interest in your middle school. Simple interest is seldom used in practice. The concept of compound interest is used in banks and many financial instituti... Read >

Closure Property of Real Numbers

Real numbers are closed with respect to addition and multiplication. This means: If you add or multiply real numbers the answer is also real. Let's learn in detail. Closure Property of Real Number Addition Take any two real numbers. Add th... Read >

Tips for Adding Decimals & Subtracting Decimals

Tips for Adding Decimals & Subtracting Decimals Tips for Adding Decimals Adding decimals is quite similar to adding whole numbers. There are just a few extra steps. Follow these steps to add two or more decimals: 1:Make sure that the decimals ... Read >

Elementary Math – Building Blocks for All Higher Mathematics

Elementary Math - Building Blocks for All Higher Mathematics Math is a set of interrelated concepts. One concept serves as the prerequisite for many other concepts. Math at early years of elementary school forms the basis for K-12 mathematics. For a... Read >