Casio SL-450L Manual, Operating Instructions

Blister Card Printed in China
CASIO ELECTRONIC CALCULATOR
LIMITED WARRANTY
This product, except the battery, is warranted by CASIO to the original 
purchaser to be free from defects in material and workmanship under 
normal use for a period of one year from the date of purchase. During 
the warranty period, and upon proof of purchase, the product will be 
repaired or replaced (with the same or a similar model) at CASIO’s option, 
at a CASIO Authorized Service Center, without any charge for either 
parts or labor. This warranty will not apply if the product has been mis-
used, abused, or altered. Without limiting the foregoing, battery leakage, 
bending of the unit, a broken display tube, floppy disk drive recalibra-
tions, and any cracks in the LCD display will be presumed to have 
resulted from misuse or abuse. To obtain warranty service you must take 
or send the product, postage paid, with a copy of your sales receipt 
or other proof of purchase and the date of purchase, to a CASIO Autho-
rized Service Center. Due to the possibility of damage or loss, it is recom-
mended when sending the product to a CASIO Authorized Service Center 
that you package the product securely and send it insured, return receipt 
requested.
NEITHER THIS WARRANTY NOR ANY OTHER WARRANTY, EXPRESS OR 
IMPLIED, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY 
OR OF FITNESS FOR A PARTICULAR PURPOSE, SHALL EXTEND BEYOND 
THE WARRANTY PERIOD. NO RESPONSIBILITY IS ASSUMED FOR ANY 
INCIDENTAL OR CONSEQUENTIAL DAMAGES, INCLUDING WITHOUT 
LIMITATION DAMAGES RESULTING FROM MATHEMATICAL INACCURACY 
OF THE PRODUCT OR LOSS OF STORED DATA. SOME STATES DO NOT 
ALLOW LIMITATIONS ON HOW LONG AN IMPLIED WARRANTY LASTS AND 
SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF 
INCIDENTAL OR CONSEQUENTIAL DAMAGES, SO THE ABOVE LIMITA-
TIONS OR EXCLUSIONS MAY NOT APPLY TO YOU. 
This warranty gives you 
specific rights, and you may also have other rights which vary from state to state.
CASIO AUTHORIZED SERVICE 
CENTERS
Thank you for purchasing CASIO. This product has 
been electronically tested. If you have problems trans-
ferring  data or using this product, please carefully 
refer to the instruction manual.
If your CASIO product needs repair, please call 
1-800-YO-CASIO  for the authorized service center 
nearest your home.
If for any reason this product is to be returned to the 
store where purchased, it must be packed in the origi-
nal carton / package. Thank you.
CASIO, INC.
570 Mount Pleasant Avenue, P.O. BOX 7000,
Dover, New Jersey 07801
SL-
450
L
-S
OPERATING INSTRUCTIONS
SOLAR BATTERY:  The solar battery converts light into 
electrical energy. When there is insufficient light or when 
the light source is temporarily blocked, the display may 
blank out or show irregular figures. If this happens, place 
the unit where there is sufficient light, press A and restart 
your calculation.
SPECIFICATIONS
Capacity: 8 digits
Power source: Solar battery
Operating brightness: Over 50 Lux
Ambient temperature range: 0°C 40°C (32°F °F)
Dimensions: 7.8mmH × 67mmW × 120mmD
 (
1
/
4
"H × 2
5
/
8
"W × 4
3
/
4
"D) 
Weight: 47 g (1.7oz)
MADE IN CHINA
CASIO COMPUTER CO., LTD.
6-2, Hon-machi 1-chome, Shibuya-ku, Tokyo 151-8543, Japan
NOTE:
*Be careful not to damage the unit by bending or drop-  
  ping. For example, do not carry it in your hip pocket.
*Since this unit is composed of precision electronic  
  parts, never attempt to take it apart.
*Do not use or store it in a place where temperature
  is excessively high or low, or where temperatures
  quickly fluctuate.
*Avoid pushing the keyboard with a sharp-pointed ob-
  ject such as a pencil or knife.
*Do not use thinner, benzine or similar liquids for clean-
  ing. Use a soft, dry cloth.
53 + 123 − 63 =
963 × (23 − 56) =
123456 × 741852 =
  3 × 5 =
12 + 23 =
− 45 + 23 =
7 − 5.6 =
2 − 5.6 =
2.3 × 12 =
4.5 × 12 =
45 ÷ 9.6 =
78 ÷ 9.6 =
10% of 1500
15% add-on of 1000
20% discount of 500
0.
113.
− 31’779.
E 915.86080
915.86080
0.
8.660254
K             35.
K          − 22.
K             1.4
K          − 3.6
K           27.6
 K             54.
K       4.6875
K         8.125
150.
1’150.
400.
30.
25.
640.
(
Profit
)  160.
125.
(
Lost
)  − 5.
M
           720.
M
           300.
M
             60.
M
           480.
80 × 9 = 720
 −  )50 × 6 = 300
20 × 3 =   60
480
A
53
+
123
-
63
=
23
-
56
*
963
=
123456
*
741852
=
C
A
3
9*
5
=
23
++
12
=
45
>=
5.6
--
7
=
2
=
12
**
2.3
=
4.5
=
9.6
//
45
=
78
=
1500
*
10
&
1000
*
15
&+
500
*
20
&-
75
/
250
&
100
-
80
&
480
+
25
&
-
130
+
4
>&
-
A
80
*
9
l
50
*
6
m
20
*
3
l
n
Percentage of 75
against 250
Percentage increase of 
100 against 80
25% mark-up of 480
4% mark-down of 130
VW79767ULLOQOaV

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