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

With this calculator, you can calculate the resistance of the cable, knowing the material it is made of. You can also calculate the length of the conductor and the conductor diameter or the conductor cross-section area.

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.

Using the calculator, you can easily determine the daily need for carbohydrates, proteins and fats. As a result, the calculator will tell you how many calories and by weight you need per day and how many in each meal.

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.

Did you know that proper preparation is an essential factor in losing weight successfully? This test will not only help you answer the question of whether you have a chance of successful weight loss, but it will also indicate the factors that are necessary in preparation for this process.

How to convert a dog's age to human age? How old is a dog in human years? How long will my dog live? Dog Age Calculator will help you with these and many other questions.

The life expectancy and health age calculator will let you know your life expectancy. First of all, it will make you aware of what factors affect your life expectancy and your real age according to your health.

You can calculate any system of linear equations, both homogeneous and heterogeneous with any number of unknowns Using the Inverse of a Matrix method.

The calculator will help you calculate deltoid (kite) diagonals, side lengths, area, perimeter and radius of the inscribed circle. Each size can be calculated using many formulas, just indicate what data we have.

How far is the storm? How close is lightning? Is the storm looming or is it moving away? Surely everyone has asked themselves such questions. That is why we have created a lightning distance calculator with which you can easily check it.

With this calculator you can quickly calculate the kinetic energy of an object. You will also calculate mass from energy and velocity and speed given kinetic energy and mass.

Heptagon calculator will help you calculate the long diagonal of the heptagon, the short diagonal of the heptagon, the side length, heights, area of the heptagon, the radius of the circumscribed circle and the radius of the circle inscribed in a regular heptagon.

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 the COSECANS trigonometric calculator you can calculate the values of any cosecans function. In addition to the response results, the calculator will also plot the selected function. You can choose one of the preset functions, e.g. cosecant, arccosec - arccosecant, cosech - hyperbolic cosecant, arcosech - inverse cosech, or you can enter your own function, e.g. cosec(x) * cosec(x) * cosec(x) for cosec³ (x), cosec(2x), cosec(x+3), cosec(x^2) etc.

Rectangle calculator will help you calculate the diagonal of the rectangle, the side length, height, area of the rectangle.

With this calculator, we will find out what ventilation efficiency should have depending on the size, height and type of room, e.g. in the kitchen, bathroom or toilet. The ventilation calculator will help us choose the right fan for the selected room, e.g. it will facilitate the selection of the hood for the kitchen.

ROT13 cipher online encoder and decoder. Encrypt and decrypt any cipher created in a ROT13 cipher. You can use any shift and additionally a key for more precise text encoding.

Flooring Calculator is a complete tool to calculate the costs and materials needed to lay a wooden floor. Thanks to the calculator, we will find out how many packages of panels, underlay, vapor barrier foil under the panels, skirting boards, connectors, corners and plugs will be needed, as well as the cost of all materials including labor.

With this calculator, you can easily calculate the cost and amount of wallpaper needed to make any room.