Percentage Calculations; Memory Operation - Calculated Industries 4065 User Manual

Percentage Calculations

The percent % key is used to find a given percent of a number or to
perform add-on, discount or division percentage calculations. You
may also perform percentage calculations with dimensional units
(Feet, Inch, etc.), in any format (linear, Square or Cubic).
Examples:
KEYSTROKE
Find 18% of 500 Feet:
5 0 0 f x 1 8 %
Add 10% to 137 Square Feet:
1 3 7 f f + 1 0 %
Subtract 20% from 552 Feet 6 Inches:
5 5 2 f 6 i – 2 0 %
Divide 350 Cubic Yards by 80%:
3 5 0 y y y ÷ 8 0 %

MEMORY OPERATION

Your calculator has two types of Memory operations:
1) a standard, cumulative, semi-permanent Memory µ; and
2) three storage registers M1, M2, and M3, used to permanent-
ly store single, non-cumulative values.
Memory commands are listed below.
FUNCTION
µ:
Add value to M+
Subtract value from M+
Clear M+
Display and Clear M+
Recall stored value
M1/M2/M3:
Store single value in M1
Store single value in M2
Store single value in M3
Clear register M1
DISPLAY
90 0
FEET
150.7
SQ FEET
442 0
FEET
437.5
CU YD
KEYSTROKES
Ç µ
Ç ®
® ®
® µ
ß 1
ß 2
ß 3
0 ß 1
(Cont'd)
U ' G — 25
SER S UIDE
INCH
INCH
µ