Learning Resources Calc-u-vue LER 0068/50 Installation guide

B A S I C
LER 0058/50
Calculator Manual
®
For a dealer near you, call:
[phone] (U.S. & Int’l)
[phone] (U.S. & Canada)
[phone] (U.K. & Europe)
© Learning Resources, Inc., Vernon Hills, IL (U.S.A.)
Learning Resources Ltd., King’s Lynn, Norfolk (U.K.)
Please retain our address for future reference.
Made in C ina. LPK0058-GUD

Introduction
This manual describes ho to use the dual po ered
Basic Calc-u-vue calculators. The manual is
organized so that instructions for getting started and
basic arithmetical operations are presented in the
beginning sections ith many user friendly examples
and notes.
The Basic Calc-u-vue has percent and square root
keys; constants for addition, subtraction and
multiplication; memory; and reciprocals. This three-
color keyboard has a large easy-to-read LCD display
ith an eight-digit floating decimal point. Included is a
built-in stand to angle the unit for non-glare vie ing.
User Information
To clear all calculation , including memory, pre ON/C .
To clear all calculation , except memory, pre CE/C
twice. To clear an incorrect entry, pre CE/C once. To
enter a negative number, enter the number , then pre
+/- . To change a negative number to a po itive, pre
+/- . Example of the ba ic function are hown on the
following page .
Caution: Do not expo e the Ba ic Calc-u-vue to direct unlight
for long period or tore in an area of exce ive temperature .
Leaving the calculator on a heated urface for an extended
time will effect the operation of the Student
Calc-u-vue.
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Basic Operations
Example Keystroke Display
Add/Subtract
8.42 – 9.3 + 13.65 8.42 – 9.3 + 13.65 = 12.77
Multiply/Divide
3x6÷9 3 x 6 ÷ 9 = 2
Square Root
√784 784 √28
Percent
10% of 250 250 x 10 %$25
$250+10% tax 250 + 10 %$275
$250-10% discount 250 – 10 %$225
Reciprocal
1/4 4 ÷ = 0.25

Example Keystroke Display
Constants
Addition 3+2 3 + 2 = 5
6+2 6 = 8
12+2 12 = 14
(+2 is a constant)
Subtraction 10–5 10 – 5 = 5
8–5 8 = 3
40–5 40 = 35
(–5 is a constant)
Constants
Multiplication 4x2 4 x 2 = 8
4x5 5 = 20
12x4 12 = 48
(x4 is a constant)
Memory
Memory Recall/ Press MR
Conce to recall
Memory Clear information in memory; Press
twice to clear information in
memory.
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Example Keystroke Display
Memory (cont.)
Memory Add
(5.62x3)+ MR
CMR C5.62 x 3 M+ 16.86M
M+ (7.98-6.6) 7.98 – 6.6 M+ 1.38M
MR
C18.24M
Memory
(75+35%)- MR
CMR C75 + 35 %M+ 101.25M
Subtract M-
(63+15%) 63 + 15 %M- 72.45M
MR
C28.8M
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Basic Calc-u-vue
Calculator Limited Warranty
The Basic Calc-u-vue calculator is warranted to the
ori inal purchaser a ainst detective materials or
workmanship for one year from the dated of purchase.
The warranty is effective only upon presentation or
provable receipt of purchase.
Warranty is void of the product has been dama ed by
accident unreasonable use, ne lect improper service
or other causes not arisin from defects in materials
and/or workmanship.
The manufacturer’s warranty is limited to replacin the
Basic Calc-u-vue calculator when the unit is returned
with proof of purchase and $2.00 to cover shippin
and handlin to: Learnin Resources
380 N. Fairway Drive
Vernon Hills, IL 60061
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1 Open the battery cover 2 Remove the battery
3 Replace the battery
( " + " positive side up)
1.5V : G10 x 1 pc.
4 Close the battery cover
Replacement battery for model LER0058
1 Open the battery cover 2 Remove the battery
4 Close the battery Cover
3 Replace the battery
("+" positive side up)
 G10 X 1PC
For Model LER0050 Replacing Battery

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