Casio SP-100USNU User guide

EN

SP-100USNU

User’s Guide

Safety Precautions

Thank you for purchasing this CASIO product.
Be sure to read the “Safety Precautions” before using this product
to ensure that you use it correctly. Be sure to keep all user
documentation handy for future reference.

Danger

Indicates something that creates the major risk of death or
serious personal injury.

k Button Type and Coin Type Battery

Precautions

Take care to ensure that a battery will not be
swallowed accidentally.
Particular care is required to keep batteries away from
children.

Should a battery be swallowed accidentally or if there is a
possibility that a battery has been swallowed, immediately contact
a physician.
Swallowing a battery can result in chemical burns, mucosal tissue
penetration, and other serious problems that create the risk of
death.

Warning

Indicates something that creates the risk of death or
serious personal injury.

k Display Screen

Do not press the LCD or subject it to strong impact.

Doing so can cause the LCD glass to crack, creating
the risk of personal injury.

Should the LCD become cracked, never touch any of
the liquid inside.

LCD liquid getting on the skin creates the risk of skin irritation.
Should LCD liquid get into your mouth, immediately rinse your
mouth out and contact your physician.
Should LCD liquid get in your eyes or on your skin, rinse with clean
water and then contact your physician.

k Battery Precautions

Should fluid leaking from a battery get on your skin or
clothing, immediately rinse it off with clean water.

Battery fluid getting into the eyes creates the risk of eyesight loss,
etc. Rinse the eyes and then immediately contact a physician.

Caution

Indicates something that creates the risk of minor personal
injury or physical damage.

Observe the precautions below. Failure to do so can cause a
battery to rupture, creating the risk of fire, personal injury, and
soiling of nearby objects by leaking fluid.

• Do not try to take a battery apart and never allow a
battery to become shorted.

• Do not charge a non-rechargeable battery.

• Do not expose a battery to heat or throw it into fire.

• Use only the specified type of battery.

• Load a battery with its poles (plus (+) and minus (–))
facing correctly.

• Replace the battery as soon as possible after it goes
dead.

Battery Precautions

Observe the precautions below. Failure to do so can
cause the battery to explode or leak flammable liquid
or gas.

• Use only the type of battery that is specified for this product.

• Do not burn a battery or dispose of it in an incinerator, or by
mechanical crushing or cutting.

• Do not subject a battery to excessively high or low temperatures
during use, storage, or transport.

• Do not subject a battery to excessively low barometric pressure
during use, storage, or transport.

Important Precautions

• If you suspect that the calculator is operating abnormally due to
static electrical charge or some other problem, press

A

to restore

normal operation.

• Avoid dropping the calculator and otherwise subjecting it to severe
impact.

• Never try to take the calculator apart.

• Never bend or twist the case.

• Wipe the unit with a soft, dry cloth to clean it.

• The nursing and pharmacy calculations of this product are
performed based on generally accepted calculation formulas
(current as of 2021). Because of this, calculated values may differ
from practical values. Refer to “Calculation Formulas” (page 20)
when using this calculator.

• The contents of these instructions are subject to change without
notice.

• CASIO COMPUTER CO., LTD. assumes no responsibility for any
loss or claims by third parties which may arise from the use of this
product.

Power Supply

• Even if you do not use the calculator, you should replace the battery
at least once every two years.

• The battery that comes with this unit discharges slightly during
shipment and storage. Because of this, it may require replacement
sooner than the normal expected battery life.

Contents

Safety Precautions ······························································· 2

Important Precautions ·························································· 5

Power Supply ········································································ 5

Adjusting Contrast ································································ 7

Nursing and Pharmacy Calculations ···································· 8

Basic Calculations ······························································ 22

Auto Power Off Function ····················································· 23

Replace Battery Icon ·························································· 23

Battery Replacement ·························································· 23

Initializing Memory ······························································ 24

Specifications ····································································· 24

Adjusting Contrast

1 Press

A

.

2 Long-press

=

for about four seconds to display the message
below.
“Set contrast OK[=] Nxt[+]”

3 Press

=

.

4 Use +(dark) and ,(light) to adjust.
5 Press

A

.

Nursing and Pharmacy

Calculations

k Nursing and pharmacy calculation keys

You can perform the calculations below.

A

Calculation 1 BMI(lb) BMI, Ideal weight(lb)

Calculation 2 BMI(kg) BMI, Ideal weight(kg)

B

Calculation 1 Dose(Des) Desired dose amount(mL)

Calculation 2 Dose(Ord) Ordered dose amount(mg)

C

Calculation 1 BSA(lb) BSA(m2)

Calculation 2 BSA(kg) BSA(m2)

D

Calculation 1 eGFR(M) CCr (mL/min),

eGFR(mL/min/1.73m2)

Calculation 2 eGFR(F) CCr (mL/min),

eGFR(mL/min/1.73m2)

E

Calculation 1 IV rate Drops per minute (gtts/min)

Calculation 2 Date Date, days

BMI: Body Mass Index
Dose(Des): Dose Calculation (Ordered dose  Desired dose)
Dose(Ord): Dose Calculation (Desired dose  Ordered dose)
BSA: Body Surface Area (Du Bois)
eGFR(M): estimated Glomerular Filtration Rate(Male)
eGFR(F): estimated Glomerular Filtration Rate(Female)

ABCDE

Calculation 2

Calculation 1

CCr: Creatinine Clearance
IV rate: Infusion Volume drip rate

k Switching Between Calculation 1 and Calculation 2

Each press of a nursing and pharmacy calculation key
toggles between Calculation 1 and Calculation 2.

Example: To switch between BMI (lb) and BMI (kg)

1 AB

• This selects BMI (lb).

2 B

• This selects BMI (kg).

3 B

Resume Function (Last Memory)

When you perform an operation in Step 1 of the above operation,
Last Memory automatically displays the calculation (Calculation 1 or
Calculation 2) that you last used.

BMI

(lb

)

BMI

(kg

)

k BMI (lb)

Example: Male, “Height” = 5 feet 9 inches, “Weight” = 191 lbs

1 AB

If something else is displayed, press B again.

2 =

1 2

Male Female

3 1 (1: Male, 2: Female)

Height?

ft

4 5=

Height?

in

5 9=

Weight?

lb

6 191=

28.2

BMI

7 =

160.0

Ideal weight

lb

8 =

BMI

(lb)

Enter

[=]

k BMI (kg)

Example: Female, “Height” = 165 cm, “Weight” = 67 kg

1 ABB

If something else is displayed, press B again.

2 =

1 2

Male Female

3 2 (1: Male, 2: Female)

Height?

cm

4 165=

Weight?

kg

5 67=

24.6

BMI

6 =

56.6

Ideal weight

kg

7 =

BMI

(kg)

Enter

[=]

k Dose (Des)

Example: “Ordered dose amount” = 150 mg, “Quantity” = 1 mL,
“Amount on hand” = 50 mg

1 Ar

“Ordered dose  Desired dose” (scroll)
If something else is displayed, press r again.

2 =

Ordered dose amount? mg

3 150=

Quantity?

mL

4 1=

Amount on hand?

mg

5 50=

3.00

Desired dose amount

mL

6 =

Ordered dose



Enter

[=]

k Dose (Ord)

Example: “Desired dose amount” = 3 mL, “Quantity” = 1 mL,
“Amount on hand” = 50 mg

1 Arr

“Desired dose  Ordered dose” (scroll)
If something else is displayed, press r again.

2 =

Desired dose amount? mL

3 3=

Quantity?

mL

4 1=

Amount on hand?

mg

5 50=

150.00

Ordered dose amount

mg

6 =

k BSA (lb)

Example: “Height” = 5 feet 3 inches, “Weight” = 163 lb

1 As

If something else is displayed, press s again.

2 =

Height?

ft

3 5=

Height?

in

4 3=

Weight?

lb

5 163=

1.773

BSA m

2

6 =

Desired dose



Enter

[=]

BSA

(lb)

Enter

[

=

]

k BSA (kg)

Example: “Height” = 178.3 cm, “Weight” = 76.2kg

1 Ass

If something else is displayed, press s again.

2 =

Height?

cm

3 178.3=

Weight?

kg

4 76.2=

1.942

BSA m

2

5 =

BSA

(kg)

Enter

[=]

k eGFR (M)

Example: Black male, “Age” = 35 years, “Weight” = 80 kg, “SCr”
= 0.87 mg/dL

1 At

Use this for male.
If something else is displayed, press
t again.

2 =

1222

Black NonBlack

3 1 (1: Black, 2: Non-black)

Age?

years

4 35=

Weight?

kg

5 80=

SCr?

mg/dL

6 0.87=

134.10

CCr mL/min

7 =

130.

eGFR mL/min/1.73m

2

8 =

eGFR

(Male)

Enter

[=]

k eGFR (F)

Example: White female, “Age” = 30 years, “Weight” = 68 kg,
“SCr” = 0.74 mg/dL

1 Att

Use this for female.
If something else is displayed, press
t again.

2 =

1222

Black NonBlack

3 2 (1: Black, 2: Non-black)

Age?

years

4 30=

Weight?

kg

5 68=

SCr?

mg/dL

6 0.74=

119.33

CCr mL/min

7 =

109.

eGFR mL/min/1.73m

2

8 =

eGFR

(Female)

Enter

[=]

k IV rate

Example: “Drop Factor” = 20 gtts/mL, “Total IV volume” =
500mL, “Time” = 480 minutes

1 Au

“IV Drip Rate(Infusion Vol)” (scroll)
If something else is displayed, press
u again.

2 =

Drop Factor?

gtts/mL

3 20=

Total IV volume?

mL

4 500=

Time?

min

5 480=

21.

Drops per min gtts/min

“Drops per minute” (scroll)

6 =

IV Drip Rate

(I

Enter

[=]

k Date

This calculation lets you calculate the number of days (excluding the
start date or end date) between dates.
You can input dates for calculation within the range of January 1,
2000 to December 31, 2099.

Example: To calculate the number of days from January 1, 2020
to May 5, 2025

1 Auu

If something else is displayed, press u again.

2 200101

For the year, use the two rightmost digits of the Gregorian year.

3 =

1 2 3

Days bfr / aftr / prd

4 Press 3 to select “prd” (period).

Date? 20yy mm dd

[=]

(1 selects “bfr” (before), 2 selects “aftr” (after).)

5 250505=

1

951.

Period:

For the year, use the two rightmost digits of the Gregorian year.

6 =

Base date? 20yy mm dd

[=]

2020-01-01

Base date? 20yy mm dd

[=]

Example: To calculate the date 100 days before January 1, 2020

1 Auu

If something else is displayed, press u again.

2 200101

For the year, use the two rightmost digits of the Gregorian year.

3 =

1 2 3

Days bfr / aftr / prd

4 Press 1 to select “bfr” (before).

Days before?

[=]

(2 selects “aftr” (after), 3 selects “prd” (period).)

5 100=

2019-09-23

100 days before:

6 =

Base date? 20yy mm dd

[=]

2020-01-01

Base date? 20yy mm dd

[=]

k Calculation Formulas

BMI(lb)
Body Mass Index
Ideal weight (lb)

BMI=Weight(lb)÷(Height(in)+(Height(ft)×

12))2×703

Male: Ideal Body Weight(IBW: lb)=106+6×
((Height(in)+(Height(ft)×12))-60)

Female: Ideal Body Weight(IBW: lb)=100+5
×((Height(in)+(Height(ft)×12))-60)

BMI(kg)
Body Mass Index
Ideal weight (kg)

BMI=Weight(kg)/(Height(m))2

Male: Ideal Body Weight(IBW: kg)=(106+6×
(Height(m)×39.37-60))×0.4535924

Female: Ideal Body Weight(IBW: kg)=(100+
5×(Height(m)×39.37-60))×0.4535924

Dose(Des)
Dose Calculation
(Ordered dose 
Desired dose )

Desired dose amount(mL)=(Ordered dose
amount(mg)/Amount on hand(mg))×
Quantity(mL)

Dose(Ord)
Dose Calculation
(Desired dose 
Ordered dose )

Ordered dose amount(mg)=Desired dose
amount(mL)×(Amount on hand(mg)/
Quantity(mL))

BSA(lb)
Body Surface Area
(lb) (Du Bois)

BSA(m2)=0.007184×(Weight(lb)×

0.4535924)

0.425

×(Height(ft)×30.48+

Height(in)×2.54)

0.725

BSA(kg)
Body Surface
Area(kg) (Du Bois)

BSA(m2)=0.007184×(Weight(kg))

0.425

×

(Height(cm))

0.725

Calculation 1

Calculation 2

Calculation 1

Calculation 2

Calculation 1

Calculation 2

eGFR(M)
eGFR(CKD-EPI)
(Male)

CCr(mL/min)=((140-Age)×Weight(kg))/
(72×SCr(mg/dL))

eGFR(mL/min/1.73m2)=141×min(SCr/k,1)

α

×max(SCr/k,1)

-1.209

×0.993

Age

×1.159 [if Black]
k=0.9 α=-0.411

eGFR(F)
eGFR(CKD-EPI)
(Female)

CCr(mL/min)=((140-Age)×Weight(kg)×

0.85)/(72×SCr(mg/dL))

eGFR(mL/min/1.73m2)=141×min(SCr/k,1)

α

×max(SCr/k)

-1.209

×0.993

Age

×1.018
×1.159 [if Black]
k=0.7 α=-0.329

IV rate
IV Drip rate

Drops per minute(gtts/min)=Total IV
volume(mL)÷Time(min)×Drop Factor(gtts/
mL)

Calculation 1

Calculation 2

Calculation 1

Basic Calculations

A

0.

6 ÷ 3 × 5 + 2.4 – 1 = 11.4

6/3*5+2.4,1=

11.4

2 × (– 3) = – 6

2*3-=

– 6.

12 + 23 = 35

23++12=

K 35.

&

45 + 23 = 68

45=

K 68.

&

7 – 5 = 2

5,,7=

K 2.

'

2 – 5 = – 3

2=

K – 3.

'

2 × 12 = 24

12**2=

K 24.

(

4 × 12 = 48

4=

K 48.

(

45 ÷ 9 = 5

9//45=

K 5.

)

72 ÷ 9 = 8

72=

K 8.

)

8 × 9 = 72

vv8*9N

M 72.

–) 5 × 6 = 30

5*6O

M 30.

2 × 3 = 6

2*3N

M 6.

48

v

M 48.

2 + /3 = 6
4

2+3C4=

6.

2 /+ 7 = –5

–

2+,7=

– 5.

5 + 7/7 = 12

5+77L=

12.

• “E” (Error) will appear if the calculation result exceeds the upper

calculation limit of the calculator. If this happens, press A.

• The value displayed when a calculation error occurs is a rough
approximate value.
Example: If 1.23 is displayed along with “E”, it indicates a value of
approximately 1.23 × 1010.

Auto Power Off Function

Auto power off: Approximately 6 minutes after last key operation

• If the Auto Power Off function turns off power, press A to restore

power.

Replace Battery Icon

The replace battery icon (

) will appear on the left side of the

display when battery power is low.

Battery Replacement

Initializing Memory

Perform the steps below following battery replacement.

1

Press A.

2

Long-press = for about four seconds to display the message

below.
“Set contrast OK[=] Nxt[+]”

3Press +=.

This causes “Intl mem OK[=] Nxt[+]” to appear.
To cancel initialization, press A here.

4

Press C= to initialize.

• Next, you can perform the steps under “Adjusting Contrast” (page

7), if necessary.

Specifications

Power Supply: One button type battery (CR2016)
Battery Life: Approximately 2 years (1 hour operation per day)
Dimensions:

8.6 (H) × 70.0 (W) × 118.5 (D) mm
(

5

/16”H × 23/4”W × 411/16”D)

Weight:

Approximately 65 g (2.3 oz), including battery

Supplier’s Declaration of Conformity

Model Name: SP-100USNU
Responsible Party: Casio America Inc.
Address: 570 Mt. Pleasant Avenue, Dover, New Jersey 07801, USA
Telephone number: 973-361-5400
This device complies with part 15 of the FCC Rules. Operation is subject to
the following two conditions:
(1) This device may not cause harmful interference, and
(2) this device must accept any interference received, including interference

that may cause undesired operation.

GUIDELINES LAID DOWN BY FCC RULES FOR USE OF THIS
UNIT IN THE U.S.A. (not applicable to other areas).

NOTICE

This equipment has been tested and found to comply with the limits for a
Class B digital device, pursuant to Part 15 of the FCC Rules. These limits
are designed to provide reasonable protection against harmful interference
in a residential installation. This equipment generates, uses and can radiate
radio frequency energy and, if not installed and used in accordance with
the instructions, may cause harmful interference to radio communications.
However, there is no guarantee that interference will not occur in a particular
installation. If this equipment does cause harmful interference to radio or
television reception, which can be determined by turning the equipment off
and on, the user is encouraged to try to correct the interference by one or more
of the following measures:

• Reorient or relocate the receiving antenna.

• Increase the separation between the equipment and receiver.

• Connect the equipment into an outlet on a circuit different from that to which
the receiver is connected.

• Consult the dealer or an experienced radio/TV technician for help.

FCC CAUTION

Changes or modifications not expressly approved by the party responsible for
compliance could void the user’s authority to operate the equipment.

SA2112-A

© 2022 CASIO COMPUTER CO., LTD.

CASIO COMPUTER CO., LTD.

6-2, Hon-machi 1-chome

Shibuya-ku, Tokyo 151-8543, Japan