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#### Mathematical routines

Functions connected to calculating and coverting numbers.

Name Description Page
____________________________________________________________________________

Abs
  Calculate absolute value 450
Arctan
  Calculate inverse tangent 453
Cos
  Calculate cosine of angle 478
Dec
  Decrease value of variable 480
Exp
  Exponentiate 493
Frac
  Return fractional part of floating point value 503
Hi
  Return high byte/word of value 510
Inc
  Increase value of variable 513
Int
  Calculate integer part of floating point value 523
Ln
  Calculate logarithm 528
Lo
  Return low byte/word of value 529
Odd
  Is a value odd or even ? 539
Pi
  Return the value of pi 544
Power
  Raise float to integer power 547
Random
  Generate random number 550
Randomize
  Initialize random number generator 551
Round
  Round floating point value to nearest integer number 561
Sin
  Calculate sine of angle 574
Sqr
  Calculate the square of a value 577
Sqrt
  Calculate the square root of a value 578
Swap
  Swap high and low bytes/words of a variable 583
Trunc
  Truncate a floating point value 585

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