The terms "calculating" and "computing" are both understood to include, inter alia, operations on numerical values and on data expressed in numerical form; of these words "computing" is used throughout the class. "Computation" is derived from this interpretation of "computing". In the French language the word "calcul" will serve for either word.
In those sub-classes which include simulators:
a simulator in class Fulltext... Hierarchy... Expanded...G06 is concerned with the mathematics of computing the existing or anticipated conditions within the real device or system;
a simulator is regarded as a teaching or training device proper to class Fulltext... Hierarchy... Expanded...G09 if the simulator gives perceptible sensations having a likeness to the sensations the student would experience in reality in response to actions taken by him. Simulators which demonstrate, by means involving computing, the functioning of apparatus or of a system are in class Fulltext... Hierarchy... Expanded...G06, if no provision exists elsewhere. Components of simulators, if identical with real devices or machines, are classified in the relevant sub-class for these devices or machines and not in class Fulltext... Hierarchy... Expanded...G06 or Fulltext... Hierarchy... Expanded...G09;
a simulator may use the same time scale as the real device or operate on an expanded or compressed time scale;
models of real devices to reduced or expanded scales are not regarded as simulators.
The term "record carrier" is understood to mean a body, such as a cylinder, disc, card, tape, or wire, capable of permanently holding information, which can be read-off by a sensing element movable relative to the recorded information.
Computing aids in which the computing members form at least part of the displayed result and are manipulated directly by hand, e.g. abacus, pocket adding device
G06C 3/00
Arrangements for table look-up, e.g. menstruation table
Back-transfer arrangements, e.g. to transfer a value accumulated in a register back into the selection mechanism
G06C 11/00
Output mechanisms (marking record carriers in general, visual presentation in general of results of the mathematical operations Fulltext... Hierarchy... Expanded...G06K)
G06C 11/02
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with visual indication, e.g. counter drum
G06C 11/04
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with printing mechanisms, e.g. for character-at-a-time or line-at-a-time printing
G06C 11/06
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having type hammers
G06C 11/08
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with punching mechanism
G06C 11/10
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Arrangements for feeding single sheets or continuous web or tape, e.g. ejection device (conveying record carriers Fulltext... Hierarchy... Expanded...G06K 13/00); Line-spacing devices
Computing mechanisms; Actuating devices therefor (mechanisms for operating automatically upon more than two numbers otherwise than by repeated addition or subtraction Fulltext... Hierarchy... Expanded...G06C 21/00)
Mechanisms for converting from one notational system to another, i.e. radix conversion
G06C 19/00
Decimal-point mechanisms; Analogous mechanisms for non-decimal notations
G06C 19/02
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Devices for indicating the point
G06C 19/04
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Devices for printing the point
G06C 21/00
Programming-mechanisms for determining the steps to be performed by the computing machine, e.g. when a key or certain keys are depressed (mechanisms merely for producing multiplication by repeated addition Fulltext... Hierarchy... Expanded...G06C 15/08)
G06C 21/02
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in which the operation of the mechanism is determined by the position of the carriage
G06C 21/04
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Conditional arrangements for controlling subsequent operating functions, e.g. control arrangement triggered by a function key and depending on the condition of the register (arrangements for selection of one out of several counting registers Fulltext... Hierarchy... Expanded...G06C 15/48)