Calculated Industries 4089 User guide

Brand: Calculated Industries

Model: 4089

Type: User guide

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MACHINIST CALC

™

PRO

The Machinist Calc™ Pro Advanced Machining Math and

Reference Tool (Model 4089) provides fast, precise solutions for

your every day machining calculations. With the Machinist Calc Pro

you will spend less time looking up your most-needed calculations

on charts, in books or on the Internet and more time machining.

The Machinist Calc Pro gives you hundreds of machining-specific

calculations, including:

• Cutting Speed, Spindle Speed (RPM)

• Feed Rate, Cutting Feed, Feed per Tooth (Chip Load)

• Built-in Drill and Thread Size reference tables

• Drill Point Cut Depth solutions

• Wire Sizes and 3-Wire Measurements

• Bolt Pattern hole layouts with center x, y coordinate

• Right triangle math

• Trigonometric solutions

• Work in and convert between U.S. and Metric units, including:

• m, mm, cm

• Decimal Inches/Mils

• Feet-Inch-Fractions

• Area, Volume and Weight

Note: The Machinist Calc Pro calculator Model 4089 and User’s Guide are

designed for machinists who work with metric drill, screw and thread sizes

and metric thread tolerance classes. The calculator can be used for non-metric

applications, so some examples for working in U.S. units – numeric, letter,

and inch drill sizes and numeric and fractional thread sizes and classes –

are included in the Appendix of this User’s Guide.

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Us e r 's GU i d e — 1

TABLE OF CONTENTS

GETTING STARTED ............................................................................................. 4

KEY DEFINITIONS ............................................................................................ 4

Basic Function Keys ........................................................................................ 4

Dimensional Function Keys ............................................................................. 5

Weight and Volume Function Keys ................................................................. 6

Trigonometric Function Keys .......................................................................... 6

Miscellaneous Functions ................................................................................. 7

Machinist Function Keys ................................................................................. 8

PREFERENCE SETTINGS ............................................................................. 12

ENTERING DIMENSIONS .............................................................................. 13

Linear Dimensions ......................................................................................... 13

Square and Cubic Dimensions ...................................................................... 13

CONVERSIONS ............................................................................................... 14

Linear Conversions........................................................................................ 14

Square and Cubic Conversions .................................................................... 14

Weight Conversions ...................................................................................... 14

Weight per Volume and Volume Conversions .............................................. 15

BASIC MATH OPERATIONS ........................................................................... 15

Adding and Subtracting Dimensions ............................................................. 15

Multiplying Dimensions .................................................................................. 16

Dividing Dimensions ...................................................................................... 16

Calculating Percentages ............................................................................... 16

MEMORY OPERATION ................................................................................... 17

Using M+ ....................................................................................................... 17

Using Memory Storage Keys (M1 – M9) ....................................................... 18

PAPERLESS TAPE OPERATION.................................................................... 18

USING THE MACHINIST CALC PRO ................................................................ 20

(cont’d)

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RPM (SPINDLE SPEED) ................................................................................. 20

RPM – Milling ................................................................................................ 21

RPM – Turning ............................................................................................... 22

RPM – Drilling ................................................................................................ 22

FEED RATE ..................................................................................................... 23

Feed Rate – Based on Cutting Feed and RPM (for Turning) ........................ 23

Feed Rate – Based on Cutting Feed and RPM (for Drilling) ......................... 23

Feed Rate – Based on Feed per Tooth, RPM and # of Teeth ....................... 24

CUTTING SPEED ............................................................................................ 25

Cutting Speed – Milling ................................................................................. 25

Cutting Speed – Turning ................................................................................ 26

Cutting Speed – Drilling ................................................................................. 26

FEED PER TOOTH (CHIP LOAD) .................................................................. 27

Feed per Tooth – Based on Cutting Feed and # of Teeth ............................ 27

Feed per Tooth – Based on Feed Rate, RPM and # of Teeth ...................... 27

RADIAL CHIP THINNING ................................................................................ 28

Radial Chip Thinning –

Based on Feed per Tooth, Tool Diameter and Cut Depth ............................ 28

CUTTING FEED ............................................................................................... 29

Cutting Feed – Based on Feed per Tooth and # of Teeth ............................. 29

Cutting Feed – Based on Feed Rate and RPM ........................................... 30

DRILL SIZES .................................................................................................... 30

DRILL POINT ................................................................................................... 31

THREAD SIZING ............................................................................................. 32

Internal Thread .............................................................................................. 32

External Thread ............................................................................................. 33

Thread Classification ..................................................................................... 33

Changing a Thread Classification ................................................................. 33

Thread Size ................................................................................................... 34

(cont’d)

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Us e r 's GU i d e — 3

Custom Thread Percentage .......................................................................... 35

WIRE SIZES AND 3-WIRE MEASUREMENTS .............................................. 36

Wire Size ....................................................................................................... 36

3-Wire Measurement – Known Thread Size and Wire Size ......................... 37

Pitch Diameter – Known 3-Wire Measurement and Wire Size ..................... 38

BOLT PATTERN ............................................................................................... 39

Bolt Pattern .................................................................................................... 40

RIGHT TRIANGLE FUNCTIONS ..................................................................... 41

Right Triangle – Based on Adjacent and Opposite Legs .............................. 41

Right Triangle – Based on Hypotenuse and Angle ....................................... 42

CIRCLE CALCULATIONS ............................................................................... 42

Circumference and Area – Based on Diameter ............................................ 42

Circumference and Area – Based on Radius ................................................ 43

BASIC D:M:S AND TRIGONOMETRY EXAMPLES ....................................... 43

Converting Degrees:Minutes:Seconds ......................................................... 43

Time Calculations Using D:M:S..................................................................... 44

Trigonometric Functions ................................................................................ 44

APPENDIX A – U.S. MODE EXAMPLES .......................................................... 45

APPENDIX B – DEFAULT SETTINGS ............................................................... 52

APPENDIX C – PREFERENCE SETTINGS ................................................... 53

APPENDIX D – CARE INSTRUCTIONS ........................................................ 56

APPENDIX E – ACCURACY/ERRORS, AUTO SHUT-OFF,

BATTERIES, RESET ...................................................................................... 56

ACCURACY/ERRORS ................................................................................ 56

AUTO SHUT-OFF ........................................................................................ 57

BATTERIES ................................................................................................. 57

Battery Replacement Instructions ............................................................. 57

RESET ......................................................................................................... 57

REPAIR AND RETURN ................................................................................... 58

WARRANTY .................................................................................................... 59

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GETTING STARTED

KEY DEFINITIONS

Basic Function Keys

On/Clear Key — Turns on power. Pressing once clears

the last entry and the display. Pressing twice clears all

non-permanent values.

Off — Turns all power off. Clears all

non-permanent values.

+-*

Arithmetic operation keys.

and

Keys used for entering numbers.

Convert — Used with the dimensional keys to convert

between units or with other keys to access special functions.

Store — Used for storing values.

Storage Registers M1 through M9 — Used to store

values in Memory registers 1 through 9.

Recall — Used with other keys to recall stored values

and settings.

Memory Clear (M-R/C) — Clears Accumulative Memory

without changing current display.

Memory Clear — Clears Accumulative Memory and

displays total.

Accumulative Memory — Adds displayed value to

Accumulative Memory.

M- — Subtracts displayed value from

Accumulative Memory.

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Us e r 's GU i d e — 5

Dimensional Function Keys

Millimeters — Identies entry as millimeters, with

repeated presses toggling between linear, area and

volume units. Converts dimensional value to units of

millimeters, with repeated presses toggling between

millimeters and meters.

Centimeters (cm) — Identies entry as centimeters,

with repeated presses toggling between linear, area

and volume units.

Meters (m) — Identies entry as meters, with

repeated presses toggling between linear, area and

volume units.

Feet — Identies entry as Feet, with repeated

presses of

g 7

toggling between linear, area and

volume units. Also used with

and

for entering

Feet-Inch values. Repeated presses of

g 7

during

conversions toggle between fractional Feet-Inch and

decimal Feet.

Inch — Identies entry as Inches, with repeated

presses toggling between linear, area and volume

units. Entry can be whole or decimal numbers. Also

used with

for entering fractional Inch values (e.g.,

9i1/2

). Repeated presses during conversions

toggle between fractional and decimal Inches.

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 dimensional fractional format.

(cont’d)

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(cont’d)

1/1000" (mils) — Multiplies a dimensionless entry

by 0.001 Inch and displays the result as Inches.

Converts a linear entry to decimal Inches. For both

methods, the result is rounded and displayed to three

decimal places

Weight and Volume Function Keys

Tons — Enters or converts a weight or volume value

to tons.

Pounds (lbs) — Enters or converts a weight or

volume value to pounds.

Tonnes (tonne) — Enters or converts a weight or

volume value to tonnes.

Grams — Enters or converts a weight or volume

value to grams.

Kilograms (kg) — Enters or converts a weight or

volume value to kilograms.

Weight per Volume (wt/vol) — Stores a new weight

per volume as pounds per cubic foot or other format

as shown below. Default value is 490 pounds per

cubic foot of steel.

● Pounds per cubic foot

● Pounds per cubic inch

● Tonnes per cubic meter

● Kilograms per cubic meter

Trigonometric Function Keys

Sine (Sin) — Calculates the Sine of an entered

degree or unitless value.

Arcsine (Sin

-1

) — Calculates the angle for the

entered or calculated Sine value.

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Us e r 's GU i d e — 7

Cosine (Cos) — Calculates the Cosine of an

entered degree or unitless value.

Arccosine (Cos

-1

) — Calculates the angle for the

entered or calculated Cosine value.

Tangent (Tan) — Calculates the Tangent of an

entered degree or unitless value.

Arctangent (Tan

-1

) — Calculates the angle for the

entered or calculated Tangent value.

Miscellaneous Functions

Degrees:Minutes:Seconds (dms◄►deg)

—

Converts between D:M:S and decimal degree

formats; repeated presses will toggle between the

two formats.

Percentage — Used to nd a given percent

of a number.

— Squares the value on the display.

Backspace Function — Used to delete entries one

keystroke at a time (unlike the

function, which

deletes the entire entry).

Square Root (!) — Calculates the Square Root of

the number on the display.

Reciprocal (1/x) — Finds the Reciprocal of a

number (e.g.,

8g,=

0.125).

Clear All — Returns all stored values to the default

settings. Does not affect Preference Settings.

Change Sign (+/–) — Toggle displayed value

between negative and positive value.

Pi — Displays value of π (3.1415927).

(cont’d)

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(cont’d)

Paperless Tape (Tape) — Accesses the Paperless

Tape mode (see Paperless Tape section), which

keeps track of your past 30 entries. Useful for

checking strings of numbers.

Preference Settings (Prefs) — Accesses various

customizable settings, such as dimensional answer

formats (see Preference Settings section).

Machinist Function Keys

Cutting Speed — Enters or calculates Cutting

Speed. Unitless entries assumed meters per minute

in Metric mode; feet per minute in U.S. mode.

Calculates Cutting Speed given entered Diameter

and RPM (Spindle Speed). Result is displayed as a

whole number.

Radial Chip Thinning (RCT) — Enters a Cut Depth

and calculates a Radial Chip Thinning factor to

increase the Feed Rate given Feed Per Tooth, Tool

Diameter and a Cut Depth that is less than one-

half the Tool Diameter. Unitless entries assumed

millimeters in Metric mode; Inches in U.S. mode.

Revolutions per Minute — Enters or calculates

RPM (Spindle Speed). Calculates RPM given entered

Diameter and Cutting Speed. Result is displayed as a

whole number.

3-Wire Measurement (3-W Measure) — Enters

or calculates a Three-Wire Measurement. Unitless

entries assumed millimeters in Metric mode;

Inches in U.S. mode. Calculates the minimum and

maximum Three-Wire Measurements and Pitch

Diameters given entered Thread Size and Wire Size,

assuming an External thread type. If a Three-Wire

Measurement value is entered, the Pitch Diameter

calculation is based on this entered measurement.

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Us e r 's GU i d e — 9

Feed Rate — Enters or calculates Feed Rate.

Unitless entries assumed millimeters per minute

in Metric mode; inches per minute in U.S. mode.

Calculates Feed Rate given values for Cutting Feed

and RPM (Spindle Speed) or Feed per Tooth (Chip

Load), RPM and Number of Teeth.

Wire Size — Enters or calculates Wire Size for

3-Wire Measurements. Unitless entries assumed

millimeters in Metric mode; Inches in U.S. mode.

Calculates the recommended Ideal, Maximum and

Minimum Wire Sizes given an entered Thread Size.

Bolt Pattern — Enters the number of holes in a

Bolt Pattern. Calculates the hole Center-to-Center

Spacing and the x and y coordinates for each hole

in a Bolt Pattern given entered Diameter, Number of

Bolt Holes, Starting Angle (optional) and Center x and

y coordinates (optional).

Thread Classication (Thread Class) — Used to

select the Tolerance Class for metric Threads and the

Thread Class for numeric and fractional Threads. The

default Tolerance Class for metric Thread Sizes is 6H

(Internal). The default Class for numeric and fractional

Thread Sizes is 2B (Internal). See Thread Sizing

section for further details on available Classes.

Thread Size — Enters a metric, numeric or fractional

Thread Size and provides Thread characteristics

such as Cut Tap Drill Size, Minimum Major Diameter,

etc. See Thread Sizing section for further details on

entry format, valid entries and a listing of the resulting

Thread characteristics.

% Thread — Enters a non-standard Thread Grip

Percentage for use in determining screw Tap Drill

Sizes. Default value is 75%.

(cont’d)

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(cont’d)

Drill Size — Enters a metric, numeric, letter or

fractional Drill Size, displaying the millimeter (Metric

mode) or decimal Inch (U.S. mode) equivalent of

the Drill Size. The next smaller Drill Size is displayed

if the entered value doesn’t match a Drill Size.

Repeated presses of

toggle through Drill

Sizes in increasing order. Presses of

toggle through

Drill Sizes in decreasing order. Selected Drill Size is

stored upon exiting function.

Drill Point — Enters the Cutting Angle of a Drill

Point. Calculates the Drill Point Cut Depth that

needs to be taken into account when it’s necessary

to maintain a specic full diameter depth.

Number of Teeth — Enters the Number of Teeth on

a tool. Default value is 1.

Feed per Tooth — Enters or calculates Feed

per Tooth (Chip Load). Unitless entries assumed

millimeters in Metric mode; Inches in U.S. mode.

Calculates Feed per Tooth given entered Cutting

Feed and Number of Teeth or RPM (Spindle Speed),

Feed Rate and Number of Teeth.

Cutting Feed — Enters or calculates Cutting Feed.

Unitless entries assumed millimeters per revolution

in Metric mode; inches per revolution in U.S. mode.

Calculates Cutting Feed given entered Feed per

Tooth (Chip Load) and Number of Teeth or Feed

Rate and RPM (Spindle Speed).

Diameter — Enters a Diameter. Unitless entries

assumed millimeters in Metric mode; Inches in U.S.

mode. Calculates circle Area and Circumference

given entered Diameter. Calculates Diameter given

entered Radius.

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Us e r 's GU i d e — 11

Radius — Enters or calculates a Radius. Unitless

entries assumed millimeters in Metric mode;

Inches in U.S. mode. Calculates Radius given

entered Diameter.

Alpha — Enters alphabet character selection mode.

While in this mode, a letter can be selected and

used with

to enter a letter Drill Size. Entering

this mode with a unitless entry between 1 and 26

will display the corresponding letter of the alphabet

(i.e.

5g8

displays the letter E). While in Alpha

mode, presses of

toggle forward through the

alphabet, while presses of

toggle backward.

Adjacent — Enters or calculates the Adjacent

(horizontal) leg of a right triangle. Calculates

Adjacent value given two other right-triangle

values. Also enters the Center x-coordinate of a

Bolt Pattern.

Opposite — Enters or calculates the Opposite

(vertical) leg or height of a right triangle. Calculates

Opposite value given two other right-triangle values.

Also enters the Center y-coordinate of a Bolt Pattern.

Hypotenuse — Enters or calculates the Hypotenuse

(diagonal) of a right triangle. Calculates Hypotenuse

value given two other right-triangle values.

Angle — Enters or calculates an Angle, providing

the Adjacent Angle for both instances. Calculates

an Angle given two other right-triangle values. Also

enters the Starting Angle of the rst hole of a Bolt

Pattern, with 0° being the three o’clock position and

the rotation going counterclockwise.

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PREFERENCE SETTINGS

Press

, then

to access the Preferences menu. Continue

pressing

to toggle through different Preferences. Press

keys to toggle between options of the different Preferences.

Press

to exit Preferences. Your calculator will keep your

Preference Settings until a Full Reset alters your settings to the

default values (see Appendix for more information).

KEYSTROKE DISPLAY

gSS

(Prefs)

(Functional Result Rounding)

F-RND 0.0000

F-RND 0.000

F-RND FLOAT

(repeats options) F-RND 0.0000

Third press of

(Default Unit Format) METRC UnITS

US UnITS

(repeats options) METRC UnITS

Fourth press of

(Area Answer Format) AREA Std.

AREA 0. SQ FEET

AREA 0. SQ INCH

AREA 0. SQ M

(repeats options) AREA Std.

Fifth press of

(Volume Answer Format) VOL Std.

VOL 0. CU FEET

VOL 0. CU M

VOL 0. CU INCH

(repeats options) VOL Std.

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Us e r 's GU i d e — 13

Sixth press of

: (Fractional Mode) FRAC Std.

FRAC COnST

(repeats options) FRAC Std.

Seventh press of

(Mathematical Operation) MATH OrDEr

MATH CHAIn

(repeats options) MATH OrDEr

ENTERING DImENSIONS

Linear Dimensions

Examples of how linear dimensions are entered (press

after each entry):

DIMENSIONS KEYSTROKE

201 meters

201g9

95 millimeters

95m

23 mils

23B

4.5 Inches

4.5i

1 320 Feet

1320g7

Square and Cubic Dimensions

Examples of how square and cubic dimensions are entered

(press

after each entry):

DIMENSIONS KEYSTROKE

11 square millimeters

11mm

1.5 cubic meters

1.5g999

14 square Inches

14ii

3 cubic Feet

3g7g7g7

KEYSTROKE DISPLAY

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14 — Ma c h i n i s t ca l c ™ Pr o

CONvERSIONS

Linear Conversions

Convert 3.2 meters to other dimensions:

KEYSTROKE DISPLAY

3.2g9

(m)

3.2 M

3200. MM

(cm) 320. CM

125.98425 INCH

(Feet) 10.498688 FEET

Square and Cubic Conversions

Convert 0.05 cubic meters to other dimensions:

KEYSTROKE DISPLAY

.05g999

(m) 0.05 CU M

50000000. CU MM

(cm) 50000. CU CM

3051.1872 CU INCH

(Feet) 1.7657333 CU FEET

Weight Conversions

Convert 1.5 tonnes to kilograms, pounds and tons:

KEYSTROKE DISPLAY

1.5g3

(tonne) 1.5 MTON

(kg) 1500. KG

(lbs) 3306.9339 LBS

(tons) 1.653467 TON

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Us e r 's GU i d e — 15

Weight per Volume and Volume Conversions

Convert 0.006 cubic meters of stainless steel to kilograms,

tonnes, pounds and tons if the steel weighs 7 480 kilograms

per cubic meter.

KEYSTROKE DISPLAY

1. Store the weight per volume:

7480S0000

(wt/vol)

7480. KG/ CU M

2. Enter steel volume:

.006g999

(m) 0.006 CU M

3. Convert to kilograms, tonnes, pounds and tons:

(kg) 44.88 KG

(tonne) 0.04488 MTON

(lbs) 98.943463 LBS

(tons) 0.0494717 TON

4. Change the weight per volume back to the default value:

490S00

(wt/vol)

490. LBS/ CU FEET

* The number of

presses may vary, depending on the last units

displayed when wt/vol was last recalled/stored. By default, pounds per

cubic foot is displayed rst.

BASIC mATH OPERATIONS

Adding and Subtracting Dimensions

Add the following measurements:

• 1.05 mm

• 1.75 mm

• 4.35 mm

Then subtract 3.50 mm.

(cont’d)

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16 — Ma c h i n i s t ca l c ™ Pr o

(cont’d)

KEYSTROKE DISPLAY

1.05m+

1.05 MM

1.75m+

2.8 MM

4.35m=

7.15 MM

-3.5m=

3.65 MM

Multiplying Dimensions

Multiply 1.6 meters by 2.85 meters:

KEYSTROKE DISPLAY

1.6g9*

1.6 M

2.85g9=

4.56 SQ M

Multiply 1.15 meters by 7:

KEYSTROKE DISPLAY

1.15g9*7=

8.05 M

Dividing Dimensions

Divide 8.75 mm by 4:

KEYSTROKE DISPLAY

8.75m,4=

2.1875 MM

Calculating Percentages

The

key can be used for nding 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 (millimeter, meter, Feet, Inch, etc.) and any type of

convention (non-dimensioned, linear, square or cubic).

Find 18% of 15.25 meters:

KEYSTROKE DISPLAY

15.25g9*18%

2.745 M

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Us e r 's GU i d e — 17

Take 20% from 5.35 meters:

KEYSTROKE DISPLAY

5.35g9-20%

4.28 M

mEmORY OPERATION

Whenever the

key is pressed, the displayed value will be

added to the Memory. Other Memory functions:

FUNCTION KEYSTROKE

Add to Memory

Subtract from Memory

Recall total in Memory

Display/Clear Memory

Clear Memory

Memory is semi-permanent, clearing only when you do one of

the following:

– turn off the calculator

– press

(Clear All).

When Memory is recalled (

r M

), consecutive presses of

will display the calculated Average and total Count of the

accumulated values.

Using M+

KEYSTROKE DISPLAY

355M

M+ 355. &

255M

M+ 255. &

745gM

(M-)

M- 745. &

TOTAL - 135. &

AVG - 45. &

(cont’d)

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18 — Ma c h i n i s t ca l c ™ Pr o

(cont’d)

COUNT 3. &

M+ - 135.

Using Memory Storage Keys (M1- M9)

In addition to the standard cumulative Memory (as previously

described), your calculator has nine independent Storage

Registers – M1 through M9 – that can be used to permanently

store single, noncumulative values. The following example

shows the use of M1 (

S 1

). To use M2 - M9, replace the

presses of the

key with presses of the corresponding

number key (

You can replace a value in one of these Memory registers by

storing a new value in place of the stored value.

FUNCTION KEYSTROKE

Store single value in M1

Clear M1

0S1

Recall M1

Store 175 into M1, recall the value, and then clear the value:

KEYSTROKE DISPLAY

175S1

MEM-1

175.

MEM-1

175.

0S1

MEM-1

PAPERLESS TAPE OPERATION

The Paperless Tape allows you to display and review the

last thirty entries of a regular math or basic dimensional

math sequence.

To access this mode after entering values, press

g =

. Then,

press

to scroll forward or backward through the entries.

KEYSTROKE DISPLAY

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Calculated Industries 4089 User guide

Brand: Calculated Industries

Model: 4089

Type: User guide

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Calculated Industries 4089 User guide

Calculated Industries 4089 User guide

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