Definition (Sequence): A set of numbers arranged in a definite order according to some definite rule (or rules) is called a sequence. Each number of the set is called a term of the sequence. A sequence is called finite or infinite according as the number of terms in it is finite or infinite. The different […]

## Algebra

# Framing Formulas

Definition: A formula is a relation between certain quantities. For example, if side of a square then its perimeter can be expressed by the following formula which we already know, i.e., . This formula shows the relationship between the side of a square and the perimeter of a square. If we know the values of […]

## Arithmetic

# Learning Basic Maths Using Excel – Add, Subtract, Multiply, Divide

This is a Guest Contribution from Fahim Laskkariya of Excel Data Pro. I have created some basic excel templates for addition, subtraction, multiplication and division. These templates will help kids practice more mathematics. These templates can be used by kids, teachers as well as parents. You can download the templates from the below links: Addition […]

# Mixture

In our everyday lives we are often required to mix two different substances for practical purposes- for example, we mix phenyl with water or dettol with water to wipe floors, tea manufacturers often mix tea from different regions like Assam and Darjeeling in different proportions to produce a blended tea. The substance obtained by this […]

## Business Maths

# Partnership Business

When two or more persons agree to form an organization and run a business jointly, then such a business is called a partnership business. There are certain costs associated with any kind of business.

# Average Due Date

If a party owes a number of payments to another, payable on different dates, it may like to pay a single lump sum payment in lieu of a number of payments such that there is no loss or gain to any party. The procedure of finding such a date is called equation of payments and the date found is called average due date.

## Calculus

# Understanding Functions

If there exists a definite rule f which associates each element of x to a unique element y, then this rule f is called a real valued function and is denoted by f(x)

# Understanding the Concept of Limits

This lesson covers the basic concept of limit to a variable and a function and what we understand by x tending to infinity. We will also see some Important limits.

## Geometry

# Understanding Sets

What is a set? A set is a collection of well-defined and distinct objects. Every object of the collection forming a set is called a member or element of the set. When an object is a member of a set we say that the object belongs to the set. Any collection of objects is not […]

# Introduction to Point, Ray, Line and Line-Segment

This lesson explains the concept of Points, Rays, Lines and Line-Segments. We will develop basic understanding of their properties and their measurement.

## Statistics

# Measures of Central tendency: Mode

The fundamental definition of Mode is the most frequently occurring value of the variable, i.e. that value of the variable which occurs the maximum number of times in a data set.

# Median for Discrete and Continuous Frequency Type Data (grouped data)

How to calculate the median for grouped frequency distribution of discrete variables as well as continuous variables.

## Trigonometry

# Trigonometric Functions of Angles

Functions sine, cosine, tangent, cotangent, secant and cosecant of angle A of any given triangle ABC are called trigonometrical functions or trigonometrical ratios.

# Introduction to Trigonometry, Angles and Their Measurement

Introduction: Hello there maths lovers, in this post today you all will learn about the trigonometry and its definition along with angles, its types and different measurement systems. Please feel free comment your suggestions and questions down in the comments below. Happy Maths to You. Trigonometry: The word trigonometry is taken from Greek words ‘trigon’ […]