fixed$

fixed$

A function that can be used in Formulas.

Syntax and semantics

fixed$ (number, precision): format a number as a string, with precision digits after the decimal point.
fixed$ (vector#, precision): format a vector as a string, with all elements expressed in precision digits after the decimal point.
fixed$ (matrix##, precision): format a matrix as a string, with all cells expressed in precision digits after the decimal point.

   assert fixed$ (pi, 3) = "3.142"

   assert fixed$ (-1, 3) = "-1.000"

   assert fixed$ (1e6, 3) = "1000000.000"

   assert fixed$ (0.01, 3) = "0.010"

   assert fixed$ (0.001, 3) = "0.001"

   assert fixed$ (0.0001, 3) = "0.0001"   ; never less than 1 significant digit!

   assert fixed$ ({ pi, -1, 1e6, 0.0001 }, 3) =

   ... "3.142" + newline$ + "-1.000" + newline$ +

   ... "1000000.000" + newline$ + "0.0001" + newline$