Calculated Industries 4067 Pocket Reference Guide - Manual (Page 8)

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/ Fraction Bar – Used to enter fractions. Fractions can be
entered as proper (1/2, 1/8, 1/16) or improper (3/2, 9/8). If
the denominator (bottom) is not entered, the calculator′s
fractional accuracy setting is automatically used. Results are
always shown in typical building fractional format.
m Meters – Identifies entry as meters, with repeated presses
toggling between linear, area and volume units. Converts
dimensional value to units of meters, with repeated presses
toggling between meters and millimeters.
C7 Centimeters (cm) – Identifies entry as centimeters,
with repeated presses toggling between linear, area and
volume units.
C9 Millimeters (mm) – Identifies entry as millimeters, with
repeated presses toggling between linear, area and
volume units.