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Calculated Industries 4225-B User Manual

Page 25

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P

OCKET

R

EFERENCE

G

UIDE

— 22

You’re going to pour an odd-shaped patio
4-1/2 Inches deep with the dimensions as
shown. First, calculate the total Area (by
dividing the drawing into three individual
rectangles) and then determine the total
cubic Yards of concrete required for this
job. What is the total cost of the concrete
if it is selling for $55 per cubic Yard?

KEYSTROKE

DISPLAY

1. Clear calculator:

o o

0.

2. Find Area “A” and add to Memory:

3 8 f 2 i

– 4 f 2 i = l

LNTH

34

FEET

0

INCH

2 7 f W

WDTH

27

FEET

0

INCH

W

AREA

918.

SQ FEET

µ

M

+ 918.

SQ FEET

3. Find Area “B” and add to Memory:

4 f 2 i l

LNTH

4

FEET

2

INCH

8 f 6 i W

WDTH

8

FEET

6

INCH

W

AREA

35.41667

SQ FEET

µ

M

+ 35.41667

SQ FEET

4. Find Area “C” and add to Memory:

9 f l

LNTH

9

FEET

0

INCH

9 f 6 i W

WDTH

9

FEET

6

INCH

W

AREA

85.5

SQ FEET

µ

M

+ 85.5

SQ FEET

5. Find Total Area/Volume and cost:

® ®

M

+ 1038.917

SQ FEET

x 4 i 1 / 2 =

14.4294

CU YD

x 5 5 Ç 0

$793.

62

M

M

M

M

M

M

M

M

M

(Cont’d)