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Old Russian calendar - years since world creation
This online calculator plots one-variable function graph given function formula and range of variable
This online calculator checks lines' slopes to see if they are parallel or perpendicular
Calculates number of PBX telecommunications channels for given traffic load using Erlang B and Engset algorithms
Calculates the section flexure depth with pipe bender or bending machine to obtain given parameters.
Online calculator which calculates area of a polygon given lengths of polygon sides and diagonals which split polygon to nonoverlapping triangles
This online calculator turns power into torque and vise versa
Power units converter.
This online calculator computes pressure, cause by given mass over given surface in gravity field. Result is displayed using different units of pressure
Calculator which converts units of pressure
This online calculator calculates the price of certain area based on price of running or linear meter
Gives probability of k success outcomes in n Bernoulli trials with given success event probability.
Calculation of unknown parameters of projection using known parameters. Parameters are duration, maximum height, distance, initial velocity and angle.
This online calculator finds unknown member of proportion. Created by user's request
Calculates the prospect distance from height at observer and line of sight distance between two observers.
This is generator of lap running order for kart racing. The goal is to let each racer to try each starting position/kart in random order.
This calculator randomly picks several numbers from specified range.
Rectangle area calculation with known perimeter and aspect ratio
This online calculator allows user to experiment with regular expressions.