Category: Maths Calculators

Free Online Calculators

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Subtracting fractions calculator

 Subtracting fractions Subtracting fractions involves finding a common denominator and then subtracting the numerators. The steps to subtract two fractions are as follows: Find a common denominator: Find a common multiple of the denominators of the two fractions. This will be the least common multiple (LCM) of the denominators. Convert the fractions: Rewrite each…
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Subtraction calculator

 Subtraction calculator To use a subtraction calculator, follow these steps: Open a web browser and go to a search engine such as Google. Type “subtraction calculator” in the search bar and hit enter. You will see a list of results with various online subtraction calculators. Choose one that suits your needs. Once you have…
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Tangent calculator

 Tangent is a trigonometric function that describes the ratio of the length of the side opposite to an acute angle in a right triangle to the length of the adjacent side, where the angle is measured in radians. It is denoted by “tan” and is calculated by dividing the length of the opposite side…
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Trigonometry calculator

 Trigonometry is a branch of mathematics that deals with the study of relationships involving angles, triangles, and trigonometric functions such as sine, cosine, and tangent. It has a wide range of applications in fields such as physics, engineering, and astronomy. Some common topics in trigonometry include: Trigonometric functions: sine, cosine, tangent, cosecant, secant, and…
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Variance calculator

   The variance is a measure of the spread of a dataset. It is calculated as the average of the squared differences from the mean. The formula for variance is: Var(X) = sum((Xi – X_mean)^2) / n Where: Var(X) is the variance of the dataset X Xi is the ith element in X X_mean…
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Weighted average calculator

 Weighted average calculator A weighted average is the average of a set of values, with each value having a different weight. It is calculated by multiplying each value by its weight, summing the products, and dividing by the total weight. Here are the steps to calculate the weighted average: Determine the values and their…
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