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Online tools

Chemistry

  • Write chemical equation
  • Periodic table
  • Periodic table (high quality image)

    • Statistics

  • Trend, season and noise
  • tools.statistics.histogram

    • Paper

  • Logarithmic paper
  • Millimetric paper
  • Linen paper

    • Maps

  • Countries

    • Hash

  • MD5
  • SHA-256

    • Other

  • Random string generator
  • Word occurrences count
  • Remove repeated occurrences

    • Calculators

  • Radius and circumference
  • Even and odd numbers in range