SurdText Command

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Revision as of 10:11, 1 August 2013 by Mathmum (talk | contribs) (note about command use in a text)
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SurdText[ <Number> ]
Creates text representation of the number in the form \frac{a+b\sqrt{c}}{d}.
Examples:
  • SurdText[2.414213562373095] creates 1 + \sqrt{2}
  • SurdText[2.439230484541326] creates \frac{7+3 \sqrt{3} }{5}
SurdText[ <Number>, <List> ]
Creates text representation of the number as multiples of the constants in the list. If the list is empty it uses a list of common constants.
Examples:
  • SurdText[3.718281828459045, {exp(1)}] creates e + 1
  • SurdText[5.382332347441762, {sqrt(2), sqrt(3), sqrt(5)}] creates \sqrt{5} + \sqrt{3} + \sqrt{2}
  • SurdText[1.693147180559945, {ln(2)}] creates \ln(2) + 1
SurdText[ <Point> ]
Creates text representation of the point, where coordinates are in the form \frac{a+b\sqrt{c}}{d}.
Example:
SurdText[(2.414213562373095, 1.414213562373095)] creates (1 + \sqrt{2}, \sqrt{2})


Notes:
  • In order to use this command in a Text object, the LaTeX Formula box needs to be enabled in the Properties dialog box of the text.
  • Since this command works with a rounded decimal number as input, sometimes the result will be unexpected.
  • If a suitable answer can't be found, the number will be returned.
Example: SurdText[1.23456789012345] returns 1.23456789012345.
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