All online calculators

Number of agents in call center

The calculator works out number of call center agents using Erlang C formula for given call load and service level.


Call center agents number

Average handling time in seconds

Call ratio to be handled during given maximum waiting time

Maximum allowed waiting time in seconds

Pipe cold bending. Flexure depth with main shaft.

Calculates the section flexure depth with pipe bender or bending machine to obtain given parameters.


Segment defined by chord and height

Digits after the decimal point: 2
  • Pearson correlation coefficient

    The calculation of the correlation coefficient of two random variables

  • Percentage

    This online calculator gives the percentage of the value. It also calculates the percentage of the sum (e.g. the income tax of the net salary) and the percentage of the difference (e.g. VAT of the gross amount).

  • Petroleum product density

    Petroleum product density conversion, according to GOST 3900-85

  • Playfair cipher

    This online calculator encrypts and decrypts a message given Playfair cipher keyword. Non-alphabetic symbols (digits, whitespaces, etc.) are ignored.

  • Points of the compass

    This online calculator outputs compass point given direction angle in degrees. Different compass roses (4, 8, 16, 32, 128-wind compass roses) are supported.

  • Poisson Distribution. Probability density function, cumulative distribution function, mean and variance

    This calculator calculates poisson distribution pdf, cdf, mean and variance for given parameters

  • Polygon area

    Online calculator which calculates area of a polygon given lengths of polygon sides and diagonals which split polygon to nonoverlapping triangles