This online calculator takes a list of events along with number of times the particular event occurred and calculates the probability (and log probability) of each event by dividing event count to the total number of events.

This online calculator numbers lines of text

This online calculator is designed to perform basic arithmetic operations such as addition, subtraction, multiplication, division, and power on numbers written in any numeral system. This means that users can input numbers in binary, octal, hexadecimal, or any other base between 2 and 36, and perform mathematical operations with ease.

The numeral system converter calculator converts numbers from one numeral system to another given the source number and the source numeral system base and target numeral system base. The calculator can handle numeral systems with bases ranging from 2 to 36.

This online calculator calculates radix complement (referred to as r's complement) and diminished radix complement (referred to as (r-1)'s complement) for the given number and the given radix (base).

To calculate definite integral by the rectangle method, trapezoid method, Simpson method or other Newton-Cotes quadrature methods.

Utility calculator for debugging the logic of extracting data from an ODT document. It is assumed that the extracted data will be used to generate other documents according to the "handlebars" template.

This calculator determines current by voltage and resistance using ohm law

Old Russian calendar - Years are counted since the creation of the world

Converts old Russian monetary units into more common rubles and kopecks. Created by user's request.

This online calculator plots one-variable function graph given function formula and range of variable

Calculate the values of a one-variable function by entering the function formula and a set of variable values.

This online calculator displays one's complement and two's complement codes for the entered negative integer.

This online generator allows you to upload a document template as an OpenOffice Document File (odt) file, with Handlebars templates included, and generate a final document based on the data entered in JSON format.

Using a modification of the Gauss algorithm to calculate Orthodox Easter date

Find the volume of oval tanks in cubic inches and gallons.

This online calculator analyses position vs time table, which is often used to describe 1-D kinematics motion.

This online calculator calculates p-value for one sided and two sided tests given the z-score

This online calculator performs t-Test for the Significance of the Difference between the Means of Two Correlated Samples

This calculator generates palette of colors from starting color to ending color, using maximum diversity, "rainbow" style.