Here is the nice example of the average speed problem

Kinetic energy of a point object in classical Newtonian mechanics and in relativistic mechanics.

Calculates labor retirement pension amount in accordance with the law.

Visualize the Correlation in Time Series Data with Our Lagged Scatterplot Calculator

This online calculator builds Lagrange polynomial for a given set of points, shows a step-by-step solution and plots Lagrange polynomial as well as its basis polynomials on a chart. Also, it can interpolate additional points, if given

The calculation of the number of planks requiered

Calculates the land tax

The Language Speakers by Country Calculator allows the user to select a language from a list and displays a table of countries where the selected language is spoken along with the number of speakers and the fraction of the total population.

This online calculator is designed to find the largest common subsequence of two sequences given as strings.

This calculator provides a fun and educational tool for people to learn and explore famous Latin quotes.

This online calculator find the Least Common Denominator for several fractions

The first online calculator on this page uses a Least Significant Bit steganographic method to hide a message in a digital image. The second online calculator reveals the message hidden by the first calculator.

Length of service calculation for several periods of work

This online calculator finds the height above the bottom of a horizontal cylinder (such as a cylindrical gas tank) to which the it must be filled for it to be full at specified percentage (for example, one quarter full amounts)

This online calculator measures the Levenshtein distance between two strings.

Online calculator for solving problems related to the lifting force of a helium-filled balloon. It allows you to find the mass of the balloon shell, or the mass of the payload, or the required helium mass, from the other known values.

The reverse line calculator is a simple tool that takes a block of text as input, breaks it into individual lines, and then reverses the order of the lines. This can be useful in a variety of situations where you need to quickly reverse the order of lines in a document or piece of code, such as when working with logs, scripts, or data files.

This online calculator derives the formula for the linear approximation of a function near the given point, calculates approximated value and plots both the function and its approximation on the graph

This online calculator solves linear congruences

This calculator solves linear diophantine equations (LDE). The LDE calculator is right below, and if you want to recall what linear diophantine equations are, you can find the theory after the calculator.