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Text File  |  1994-08-13  |  3KB  |  74 lines
  1.  
  2. **************************************************************
  3. *                                                            *
  4. *                     ! P r a k t i k u m                    *
  5. *                                                            *
  6. *                                                            *
  7. *  by                  "The Flying Snails"                   *
  8. *                                                            *
  9. *  Andreas Feldner                             Markus Braun  *
  10. **************************************************************
  11.                                                         ⌐ 1994
  12.  
  13.   With this program you can put loads of numbers into some formulae.
  14.  
  15.   Start the program with the usual double click. If you need
  16. some details (what happens if I click on this button?) Acorns
  17. interactive Help program may give you the answer.
  18.  
  19.  
  20. Functions implemented:
  21. ~~~~~~~~~~~~~~~~~~~~~~
  22.  
  23. a) prefix functions:
  24.  
  25. Symbol  Meaning                         Autom. error calc.?
  26. ----------------------------------------------------------------------------
  27. -       Minus                           yes
  28. /       1/... (invert)                  yes
  29. SQR     ...^2                           yes
  30. SQRT    square root                     yes
  31. LN      nat. logarithm                  yes
  32. EXP     exponential function            yes
  33. COS     cosine                          yes
  34. SIN     analogue                        yes
  35. TAN     dito                            yes
  36. ASIN    arc   sine                      yes
  37. ACOS    guess...                        yes
  38. ATAN                                    yes
  39. SINH    hyperbolic sine                 yes
  40. COSH    hyperbolic cosine               yes
  41. TANH    hyperbolic tangent              yes
  42. ABS     absolute                        no
  43. SUM     sum of all values in table      no
  44. IDX(tb) indices of table tb             = 0
  45. IDX(sk) table 1,2,..sk (sk: scalar)     = 0
  46. INT     "discrete integral"             no
  47. FFTH    Fourier trafo (to frequencies)  no      (table length must be    
  48. FFTR    Fourier trafo (back)            no       a power of 2!)
  49.  
  50. b) implemented operators:
  51.  
  52. Symbol  Meaning                                  Automatic err.
  53. ---------------------------------------------------------------
  54. +       Addition                                 yes
  55. -       Subtraction                              yes
  56. *       Multiplication                           yes
  57. /       Division                                 yes
  58. ^       Power                                    yes
  59. :       Shifting operator: shifts table by the   no
  60.         given number of lines to the top.    
  61. !       Selection operator: yields elements with no
  62.         the given indices.                     
  63. ?       Exclusion operator: yields elements not  no
  64.         given in the second table.           
  65. &       concatenates two tables                  no
  66. %       partial derivative with respect to the   yes
  67.         given variable.
  68.  
  69.  
  70. ⌐  1994   Andreas Feldner and Markus "Charlie" Braun
  71.                   "The Flying Snails"
  72.  
  73.  
  74.