With this calculator you will learn how to add in columns. You can check if the addition you have made is correct

You will calculate with fairly high accuracy the likelihood of your baby having a particular blood group.

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 will calculate the average absolute deviation, or mean absolute deviation (MAD), of a data set is the average of the absolute deviations from a central point.

The calculator calculates how much energy we spend by performing selected activities within the given time. This can help you plan your daily calories burned for example.

Trapezium (trapezoid) calculator will help you calculate the long diagonal of the trapezium, the short diagonal of the trapezium, the side length, height, area and perimeter of the trapezium.

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

With the help of the math calculator you can easily and quickly calculate the slope, the point of intersection with the Y axis.

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

Rail Fence, Zig-Zag cipher online encoder and decoder. Encrypt and decrypt any cipher created in a Rail Fence, Zig-Zag cipher.

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

The caloric demand calculator will help you create the right diet. It will answer the question of what is our daily calorie requirement and how much daily do we need to consume carbohydrates, proteins and fats to gain weight or lose weight by a given weight within a certain period of time.
We have a choice of several of the most popular formulas for calculating the basal metabolic rate. As a result, we will also get a seven-day alternating caloric cycle, thanks to which, with long-term diets, we can "cheat" the body by consuming different caloric values a day while maintaining a weekly diet.

Thanks to the calculator, you can quickly and easily calculate how much money you will accumulate in a given period by putting a monthly fixed amount on your account for a specified period of time, giving the annual interest rate.

Using the calculator you can calculate the molecular weight of any chemical compound.

The calculator will calculate the estimated number of heartbeats and breaths you have given since birth.

Use this calculator to calculate the molecular weight of gas.

Thanks to the mathematical calculator, you can easily calculate the determinant of the matrix, find the complement matrix, the transposed matrix, and the inverse matrix.

With this statistical calculator, you will learn how to calculate the median of an interval distributive series from grouped data.

The calculator helps you to calculate the present value of money (PV) and the future value of money (FV) in time.

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.