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  • Cylindrical tank volume

    Cylindrical tank volume

  • Density of oil

    Recalculation of density of oil for different temperature and pressure values. Formulas are taken from Russia's GOST R 8.610-2004. "State system for ensuring the uniformity of measurements. Density of oil. The tables for recalculation" standard

  • Derivative

    It finds one variable function derivative. Step by step differentiation solution is also provided.

  • Determining air humidity with psychrometric method
  • Digital image size in pixels and photo print size

    This article is about relation between image size in pixels and photographic print size. First, it recommends photographic print size for given digital image dimensions in pixels. Second, it finds resulting pixels per inch value for printed digital image with known linear and pixel dimensions.

Cuba World Development Indicators 2016 - in memory of Fidel Castro

This calculator provides access to 752 world development indicators for Cuba imported from World Bank data at 2016. In memory of Fidel Castro.


Cuba World Development Indicators 2016


Items per page:

Digits after the decimal point: 2

Geometric progression

This calculator computes n-th term and sum of geometric progression


Geometric progression

Digits after the decimal point: 2
  • Exponential smoothing

    Exponential smoothing theory

  • Flag semaphore signals

    The calculator converts english phrase to the flag semaphore signal sequence.

  • GET request string parser

    This parser break GET request string to the parameter-value pairs and decodes URL-encoded sequences, if needed

  • Hill cipher

    This calculator uses Hill cipher to encrypt/decrypt a block of text

  • Hip roof calculator

    This calculator will help you estimate hip roof parameters, including rafters and roof area

  • Histogram

    Histogram generation according to input data. The number of groups is determined by the Sturgess formula, other formulas or set manually

  • Histogram group number

    Sturges formula and other methods of determining the number of groups in histogram generation

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