background image

P

ocket

 R

efeRence

 G

uide

 — 5

i

Inch Key ─ 

enters or converts to  

inches. Entry can be whole or decimal 

number. Also used with the 

/

 key for 

entering fractional inch values (for 

example, 

9 i 1 / 2

). Repeated 

presses during conversions toggle 

between fractional and decimal  

inches.

/

Fraction Bar Key ─ 

used to enter 

fractions. Fractions can be entered as 

proper (1/2, 1/8, 1/16) or improper 

(3/2, 9/8).

m

Meter Key ─ 

enters or converts to 

meters.

Convert Key Functions

Ç

Convert Key

 ─ 

used with the 

dimensional unit keys to convert 

between dimensions, the  

project keys

 to calculate  

material quantities, or with other 

keys to access special functions.

Ç –

Change Sign (+/-)

 ─ 

toggles 

displayed value to positive or 

negative.

(cont'd)

Ç ÷

Square root (

¯

x

)

 ─ 

finds 

square root of value in display.

Ç x

Value Squared (

x

2

)

 ─ 

finds 

square of value in display.

Ç %

Pi (

π

)

 ─ 

constant 3.141593.

Memory

Ç +

M+

 ─ 

adds or stores a value in 

the semi-permanent memory (for 

example, 

1 5 0 Ç +

). 

Semi-permanent means the 

value is cleared when the  

calculator is turned off.

Ç – 
Ç +

M-

 ─ 

subtracts a value from the 

semi-permanent memory  

(for example, 

1 5 0 Ç – 

Ç +

 subtracts 150 from the 

memory).

Ç =

Mr

 ─ 

recalls memory value (for 

example, if 150 has been stored 

in memory, pressing 

Ç =

 will 

display 150).

Ç o

MC

 ─ 

clears memory value.

PRG8509E-B.indd   5

4/28/2010   10:10:55 AM

Summary of Contents for 8509

Page 1: ...Pocket Reference Guide Model 8509...

Page 2: ...s 10 Paint Gallons Quarts or Pints 10 Wallpaper Rolls 10 Tiles Quantity 11 Carpet Length 11 Concrete Bags 12 Finding the Cost of Materials 12 Cost of Concrete 12 auto Shut Off and Batteries 13 Reset 1...

Page 3: ...ll power off clearing all non permanent registers x Arithmetic operation keys 0 9 and Digits used for keying in numbers Percent four function x percent Dimensional Unit Keys y Yards Key enters or conv...

Page 4: ...inches Fraction Bar Key used to enter fractions Fractions can be entered as proper 1 2 1 8 1 16 or improper 3 2 9 8 m Meter Key enters or converts to meters Convert Key Functions Convert Key used with...

Page 5: ...e in display Pi constant 3 141593 Memory M adds or stores a value in the semi permanent memory for example 1 5 0 Semi permanent means the value is cleared when the calculator is turned off M subtracts...

Page 6: ...actional values to the nearest 16th of an inch default setting Press to access the fractional resolution setting Repeated presses of then revolve through the available settings 1 16 1 32 1 64 1 2 1 4...

Page 7: ...24 Tile sizes are shown in inches not square inches In other words a 6 tile is really 6 x 6 or a 36 square inch tile but it is labeled as a 6 size c Carpet calculates carpet length required based on e...

Page 8: ...02187 m Convert 14 793 decimal inches to fractional inches Keystroke Display o 0 1 4 7 9 3 i 14 793 inch i 14 13 16 inch Square and Cubic Conversions Convert 25 square feet to other square dimensions...

Page 9: ...t to cubic yards Keystroke Display o 0 2 5 f f f 25 cu feet y 0 925926 cu yd Basic Dimensional Math Keystroke Display o 0 Adding dimensions 1 0 i 2 f 5 i 3 feet 3 inch Subtracting dimensions 5 f 1 i 3...

Page 10: ...many pints How many gallons Keystroke Display o 0 1 2 f x 8 f 96 sq feet p 1 10 qt p 2 19 pt p 0 27 gl Wallpaper Rolls Find the number of wallpaper rolls needed for a wall measuring 8 x 12 Keystroke D...

Page 11: ...to tile press the t key until you reach the desired tile size The DIY Project Calculator For Dummies lists 11 of the most popular tile sizes Keystroke Display o 0 1 0 f x 1 5 f 150 sq feet 1 0 165 sq...

Page 12: ...feet C 67 50 bag Finding the Cost of Materials Cost of Concrete How much does 216 cubic feet of concrete cost if the cost per cubic yard is quoted at 50 Keystroke Display o 0 2 1 6 f f f 216 cu feet y...

Page 13: ...e button Auto Shut Off After 8 to 12 minutes of non use Batteries Batteries Included Two LR 43 batteries Battery Life 575 hours of actual use To replace the batteries use a small Phillip s head screwd...

Page 14: ...ed more assistance please 3 go to the following Web site www calculated com warranty If you believe you need to return your 4 product please call a Calculated Industries representative between the hou...

Page 15: ...y period CI at its discretion will either repair using new or remanufactured parts or replace with a new or remanufactured unit the product at no charge THE WARRANTY WILL NOT APPLY TO THE PRODUCT IF I...

Page 16: ...rges Repairs are guaranteed for 90 days Call toll free 1 800 854 8075 Outside USA 1 775 885 4900 Repair Service Outside the U S A To obtain warranty or non warranty repair service for goods purchased...

Page 17: ...ROKE PROCEDURES MATHEMATICAL ACCURACY AND PREPROGRAMMED MATERIAL IS SOLD AS IS AND YOU THE PURCHASER ASSUME THE ENTIRE RISK AS TO ITS QUALITY AND PERFORMANCE IN NO EVENT WILL CI BE LIABLE FOR DIRECT I...

Page 18: ...with the limits for a Class B computing device pursuant to Subpart J of Part 15 of FCC rules Looking for New Ideas Calculated Industries a leading manufacturer of special function calculators and dig...

Page 19: ...licensed to Calculated Industries by Construction Master Technologies LLC 2010 Pocket Reference Guide copyrighted by Calculated Industries 2010 ProjectCalc and Calculated Industries are registered tr...

Page 20: ...PRG8509E B indd 20 4 2...

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