+ | Addition of two arguments |

INK | The top element of the data stack(TOS) is incremented |

- (minus) | Subtraction of two arguments |

DEK | The top element of the data stack(TOS) is decremented |

* | Multiplication |

/ | Division |

MOD | return modulo (remainder of division) |

*/ | scaling operation: multiply first, then divide. |

*/MOD | scaling operation: multiply first, then divide.
Return quotient and remainder |

AND | Bitwise logical AND of two arguments |

OR | Bitwise logical OR of two arguments |

XOR | Bitwise logical EXCLUSIVE OR of two arguments |

NOT | Bitwise one's complement |

ABS | transform to absolute value |

CARRY | Highlevel carry flag to calculate results with double precision |

<< | Shift left operator |

>> | Shift right operator |

ROL | Rotate left operator |

ROR | Rotate right operator |

= | Compare of two arguments: result=1(TRUE), if both are equal |

<> | Compare of two arguments: result=1(TRUE), if both are UNequal |

Ø= | logical complement of one argument:
result=1(TRUE), if argument equal 0(FALSE)
result=0(FALSE), if argument UNequal 0(TRUE) |

> | Signed Compare of two arguments: result=1(TRUE), if left one greater than right one |

U> | UNsigned Compare of two arguments: result=1(TRUE), if left one greater than right one |

>= | Signed Compare of two arguments: result=1(TRUE), if left one greater or equal right one |

< | Signed Compare of two arguments: result=1(TRUE), if left one less than right one |

U< | UNsigned Compare of two arguments: result=1(TRUE), if left one less than right one |

<= | Signed Compare of two arguments: result=1(TRUE), if left one less or equal right one |

ACHECK | compare data word (16bit integer) with reference. If unequal: update reference and set flag |

BCHECK | compare boolean data word (equal or unequal 0) with reference. If unequal: update reference and set flag |