50ff*18 – Calculated Industries 4400 User Manual

Page 19

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CALCULATING pERCENTAGES

The

%

key can be used for finding

a given percent of a number or for

working add-on, discount or division

percentage calculations. It can be

used with any type of number, in any

dimension (Feet, Inch, millimeter,

etc.) and any type of convention (non-

dimensioned, linear, square or cubic).

Find 18% of 50 square feet:

KeYsTrOKe

disPlaY

OO

0.

50ff*18%

9.

sQ FeeT

Take 20% from 17 Feet 6 Inches:

17f6i
-20%

14

FeeT

0

inCh

MEMoRy opERATIoN

Whenever the

M

key is pressed, the

displayed value will be added to the

Memory. Other Memory functions:

FUNCTION

KeYsTrOKe

Add to Memory

M

Subtract from Memory

gM

Recall total in Memory

rM

Display/Clear Memory

rr

Clear Memory and replace

with displayed value

SM