Using this calculator, you can calculate the total volume of the solution after dilution and the volume of solvent added during dilution.

Using this translator / converter you can quickly and easily check how to spell each word using the international (and not only) phonetic alphabet.

With this statistical calculator, you will learn how to calculate the lower quartile, middle quartile, and upper quartile of an interval resolution series.

Thanks to this calculator, you can calculate how many bags we need and what weight of plaster will be needed to plaster the wall depending on its type and thickness of the applied layer.

Are your hair falling out, are you starting to go bald? Use this calculator and check the probability and age at which you may be at risk of total hair loss.

Using this calculator you can calculate the percentage concentration, also called the percentage by weight of chemical substances in mixtures and solutions.

With this calculator you will calculate the harmonic mean.

Use this calculator to calculate the "wind chill" temperature or apparent temperature, i.e. the temperature equivalent to humans, caused by the combined effects of air temperature and wind speed

Online calculator calculates the mode of series of distributing class intervals. You learn how to find the Modal value for a grouped data with different intervals between the data classes.

With the Fractions Calculator, you can add any two mixed numbers or proper and improper fractions.
Fractions Calculator will show you the result of operations on fractions step by step and will give you explanations of the operations performed to add fractions. You will learn how to simplify fractions, how to find a common denominator, how to find the least common multiple and the greatest common divisor.

The calculator is used to test your eyesight and recognize the difference in color shades. After clicking on the first lighter field, the calculator will change colors and the countdown will begin. Each test takes 15 seconds. Search for a lighter field and click on it. Each subsequent test is more difficult. The test will be aborted if you do not give the correct answer within 15 seconds or if you make a wrong choice three times.

With this calculator you can quickly calculate the centripetal force. You will also calculate the mass of the body from velocity, radius and force, the radius of the circle given the mass of the body, the force and speed and the speed of the object moving in the circle given the given force, mass and radius.

Calculator of the arithmetic mean of a series of distributing class intervals.

With this calculator you will calculate the mean square or arithmetic mean of the squares also known as the power mean of the second order.

Playfair cipher online encoder and decoder. Encrypt and decrypt any cipher created in a Playfair cipher.

Bifid cipher online encoder and decoder. Encrypt and decrypt any cipher created in a Bifid cipher. You can use any shift and additionally a key for more precise text encoding.

With the percentile calculator you will calculate the percentile position and find the value. Percentile or centile is a measure in statistics that indicates a value for which P Percentage of the Population is equal to or less than that value and 100-P is greater.

The DFL Finacial Leverage Calculator will help us calculate how sensitive the cash flow is to changes in operating profit.
With the DOL Operating Leverage Calculator, we will calculate how sensitive operating revenues are to changes in sales. The DTL Total Leverage Calculator will help us calculate the profit sensitivity to sales growth.

The calculator is designed to calculate the amount of bricks or blocks needed. How many bricks do we need to build a wall of the given size, including wall openings and joints, how many bricks should we order, taking into account waste and what will be their weight.

Easily and quickly calculate the sum of the geometric sequence, you will determine the value of the nth term.