Assertion: adding machine | /r/HasProperty | clear
Facets:
value: prior to
type: TEMPORAL
Source sentences:
text: Going back to the goal of the calculator, most operators, when beginning to use the calculator, press the total key, then the clear key (often more than once) to ensure the adding machine is clear prior to listing the column of figures.
text: This symbol (*+) clearly indicates to the operator or anyone auditing the tape that the adding machine was clear prior to commencing the listing of figures.