This online calculator determines the rank of a given matrix
About 2012, the end of the world and Maya
This online calculator computes median of a triange given triangle sides
This simple calculator convert meters per second to kilometers per hour and vice versa
This calculator finds modular inverse of a matrix using adjugate matrix and modular multiplicative inverse
This calculator calculates modular multiplicative inverse of an given integer a modulo m
Moon's age and phase calculation
Calculator shows results of multiplying in columns, can be used to check answers
Nautical mile, sea mile, cable
Сalculation of the effective interest rates for a given nominals
Plots the CDF and PDF graphs for normal distribution with given mean and variance.
The calculator works out number of call center agents using Erlang C formula for given call load and service level.
This calculator will help you to estimates number of flagstones needed for paving
These calculators convert entered number of flagstones to area size and vice versa - calculate number of flagstones needed to cover entered ara size. Metric and imperial units are supported
Calculator calculates the number of days between the two entered dates. Taking into account weekends, holidays and weekend shifts to work days, according to the published decrees of the government of the Russian Federation.
Old Russian calendar - years since world creation