Big floating point numbers

 

In Derive

For comparison with other CAS choose from: Axiom Macsyma Maple Mathematica Reduce

inputs outputs

• computation with floating point numbers

      - 1027/1410
  

         1027
      - ------
         1410
  
  
      -0.7283687943

      (167 #i + 241)/5
  

       241     167 i
      ----- + -------
        5        5
  
  
      48.2 + 33.4 i

      pi
  

       
  
  
      3.141592920

      cos(pi)
  

      COS ( )
  
  
      -1

  
      sin(1)
  

      SIN (1)
  
  
      0.8414709137

• computation with arbitrary number of digits

  options, precision, digits 50

      pi
  

       
  
  
      3.1415926535897932384626433832795028841971693993751

• should be cos(pi/6) = sqrt(3)/2

      cos(pi/6)
  

               
      COS  --- 
            6  
  
  
      0.86602540378443864676372317075293618347140262690519

      #2^2
  

                                                          2
      0.86602540378443864676372317075293618347140262690519
  
  
      0.75

• complex functions

  options, precision, digits 10

      tan(1.0 + 1.0 #i)
  

      TAN (1 + 1 i)
  
  
      0.2717525893 + 1.083923333 i

      log(1.0 + 1.0 #i)
  

      LOG (1 + 1 i)
  
  
      0.3465735900 + 0.7853981634 i