Sharp EL-738 Quick start guide

Chapter 1
Notes on the SHARP EL-738
calculator
General
The SHARP EL-738 calculator is recommended for this module. The advantage of this cal-
culator is that it can do basic calculations, financial calculations and statistical calculations.
Most of the keys can perform two functions.
To perform a function written on the key, you simply press the key. To perform a function
written on the surface just above the key, first press the orange 2ndF key to activate it to
perform the function when pressed.
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CHAPTER 1. NOTES ON THE SHARP EL-738 CALCULATOR
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Contents
1 Notes on the SHARP EL-738 calculator 7
2 Normal Calculation Mode 11
2.1 Switchonyourcalculator ............................ 12
2.2 TheSETUPmenu................................ 12
2.3 SelectingaMODE ................................ 13
2.4 Normalmode ................................... 14
2.5 Calculatorkeys .................................. 14
3 Financial Calculator Mode 21
3.1 Normalmode ................................... 22
3.2 Interestrates ................................... 22
3.2.1 Simpleinterest .............................. 22
3.2.2 Simplediscount.............................. 23
3.2.3 Compoundinterest ............................ 24
3.3 Annuities ..................................... 26
3.3.1 Presentvalue ............................... 26
3.3.2 Futurevalue................................ 26
3.3.3 Amortisation ............................... 27
4 Statistical mode 31
4.1 Mean........................................ 32
4.2 Standarddeviation ................................ 33
4.3 Linearline..................................... 33
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CONTENTS
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Chapter 2
Normal Calculation Mode
Display screen
Power ON/OFF
and clear key
{
Cursor keys
Mode key
Key operation
keys
Numerical and
arithmetic keys
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CHAPTER 2. NORMAL CALCULATION MODE
2.1 Switch on your calculator
Before using your calculator for the first time, reset (initialise) it. Press the RESET switch
located on the back of the calculator with the tip of a ball-point pen.
After resetting the calculator, the initial display of the NORMAL mode appears.
0 . 0 0
T A B D E G
NOTE:
Pressing 2ndF M-CLR 1=will also erase all stored data in the memory and restore
the calculator’s default setting.
Note that I will not write the numbers 0, ....., 9 in blocks. All the other functions will be
writteninblocks.
2.2 The SET UP menu
Press the SET UP key to display the SET UP menu.
D S P D R G D E P R
01 2
T A B D E G
appears on the screen. Press the arrow three times and
3
T A B D E G
D A T E
will appear on the screen.
A menu item can be selected by using the   keys (the selected number will blink).
Press the =key.
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2.3. SELECTING A MODE
To set the number of decimals, press SET UP 00.
D I G ( 0 - 9 ) ?
T A B D E G
appears on the screen.
Press 2 to select two decimals
0 . 0 0
T A B D E G
If you want four decimals press SET UP 0, 0, 4.
(However, we will use two decimals. Press SET UP 0, 0, 2.)
NOTE: The calculator uses a decimal point (0.00) where we use the decimal comma (0,00).
2.3 Selecting a MODE
Press MODE .
The menu display appears
1
T A B D E G
0
N O R M A L S T A T
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CHAPTER 2. NORMAL CALCULATION MODE
Press 0.
0 . 0 0
T A B D E G
appears on the screen
2.4 Normal mode
The NORMAL mode allows you to perform financial, arithmetic or scientific calculations.
2.5 Calculator keys
The keys are classified according to the work they do.
The following keys are worth mentioning:
•ON: ON/C
Last key, first row. To switch on the calculator. The ON/C key also clears the
screen. To preserve the batteries, the calculator turns itself off after about 10 minutes.
•OFF:
O N / C
O F F
The orange function on the red ON/C key. Press 2ndF ON/C to switch your
calculator off.
•NUMERIC KEYS: 1, 2, 3 .... 9, 0
These keys are used to enter numbers.
•MULTIPLICATION X
Second last key, third last row.
•DIVISION ÷
Second last key, sixth row.
•EQUAL =
Last key, last row.
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2.5. CALCULATOR KEYS
•CLEAR ON/C
Last key, first row.
•BRACKETS ( )
Last key, third last row and second last row.
Use the (and )keys to place parentheses around parts of expressions. The closing
parenthesis )may be omitted.
•NEGATIVE +/-
Second key, last row.
This key is used to enter a negative number or change the sign of a number, while
the −key is used for the operation of subtraction. Note the different ways in which
subtraction, with the long dash, and the sign of the number, with a small dash, are
displayed.
For example: 3 −2 and 3+(-2).
Example:
Add 8 to −5
Press 8 ++/- 5=
The answer is 3.
Subtract −5from8.
Press 8 −5=
The answer is 13.
Subtract −5from−8.
Press +/- 8-+/- 5=
The answer is −3.
Add −5to−8
Press +/- 5++/- 8=
The answer is −13.
•DELETE: DEL
If you made a mistake, press DEL (last key, sixth row) to erase the number and then
enter the correct number to continue.
If you want to change a number or sign after you have pressed =use the cursor
to move to the place where you want to change it. Enter the new number or sign, then
press DEL and continue.
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CHAPTER 2. NORMAL CALCULATION MODE
•INSERT: INS
Use the cursor to move to the place where you want to insert a number. Press
2ndF INS (sixth row, last key) and enter the number. The cursor will flicker after
the inserted number.
•TO THE POWER key yx.
The 2ndF third key, fourth row
Example:
Calculate 23.
Enter the base number first −press 2.
Then press 2ndF yx3=
The answer is 8,00.
If the power consists of more than one term, use brackets for the power.
Example:
Calculate (32)4
Press (32ndF yx2)2ndF yx4=
The answer is 6 561,00.
Example:
Calculate 52/3
Press 5 2ndF yx(2÷3) =
The answer is 2,92.
•SQUARE: (x2)
Use the power key.
Example:
Calculate 42.
Press 4 2ndF yx2=
The answer is 16.
Example:
Calculate 10−1
Press 10 2ndF yx+/- 1=
The answer is 0,10.
Calculate 1
52
Press 1 ÷52ndF yx2=
The answer is 0,04.
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