Sharp EL-738 Support Question
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Question posted by sindiswabhengu on March 5th, 2014
Converting Norminal To Effective Interest Rates
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Related Sharp EL-738 Manual Pages
EL-738 Operation Manual - Page 6
![](/manualimages/a/8/sharp-el-738c-el738-operation-manual-2485ea1_6_7573.png)
![](/manualimages/a/8/sharp-el-738c-el738-operation-manual-2485ea1_6_7573.png)
... first time, you must reset (initialize) it. In rare cases, all data stored in memory and restore the calculator's default setting. Chapter 1
Getting Started
Preparing to strong electrical noise or heavy shock during use an object with the tip of the keys (including s) has no effect, reset the calculator. Do not use .
EL-738 Operation Manual - Page 13
![](/manualimages/a/8/sharp-el-738c-el738-operation-manual-2485ea1_13_4563.png)
![](/manualimages/a/8/sharp-el-738c-el738-operation-manual-2485ea1_13_4563.png)
...flow data, or STAT, refer to the relevant section. • If you turn off the calculator (by letting it turn it will function as a back space key.
12 The same holds true for... YEAR when you press O. *5 With one variable or value of a listed group (such as "RATE (I /Y, PV, PMT, and FV (P/Y and C/Y are not included.) *2 Note that TVM variables sharing common memory...
EL-738 Operation Manual - Page 18
![](/manualimages/a/8/sharp-el-738c-el738-operation-manual-2485ea1_18_007a.png)
![](/manualimages/a/8/sharp-el-738c-el738-operation-manual-2485ea1_18_007a.png)
..., variable costs per unit, unit prices, and profit.
17
Bond calculations: Solve bond prices or yields to perform financial calculations. Conversion between APR and EFF: Interest rates can be converted between dates.
TVM (Time Value of calculation methods. These include calculations for mortgages, loans, leases, savings, annuities and contracts or investments with accrued...
EL-738 Operation Manual - Page 19
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![](/manualimages/a/8/sharp-el-738c-el738-operation-manual-2485ea1_19_ca5d.png)
.... If you can be aware of a variable in one calculation, the value will change / Compound interest calculations
Day and date calculations
N
-
CPN/Y (N)
LIFE (N)
PERIODS (N)
I/Y RATE (I/Y) YIELD (I/Y)
DB (I/Y)
% (I /Y, PV, PMT and FV.
M-D-Y 1* D-M-Y 1
-
-
-
- Values are shared (in the memory area) among calculations
Financial variables are specific to the data format...
EL-738 Operation Manual - Page 22
![](/manualimages/a/8/sharp-el-738c-el738-operation-manual-2485ea1_22_9f59.png)
![](/manualimages/a/8/sharp-el-738c-el738-operation-manual-2485ea1_22_9f59.png)
...months. For example, money deposited in a passbook saving account at a predefined rate on it is specified or assumed (usually monthly). Interest earns interest, which... of a loan or investment before starting, because the whole calculation is based on a periodic basis.
Compound interest
This calculator assumes interest is compounded periodically in flows and outfl...
EL-738 Operation Manual - Page 23
![](/manualimages/a/8/sharp-el-738c-el738-operation-manual-2485ea1_23_0547.png)
![](/manualimages/a/8/sharp-el-738c-el738-operation-manual-2485ea1_23_0547.png)
...to clear the display. • Make sure the calculator is not displayed). b.
2. Select ordinary annuity or...per year
Setting the payment period (payment due)
You can be calculated using . The default setting is ordinary annuity (BGN is in... to clear all the data, press . These include calculations for mortgages, loans, leases, savings, annuities, and contracts or investments with regular ...
EL-738 Operation Manual - Page 24
![](/manualimages/a/8/sharp-el-738c-el738-operation-manual-2485ea1_24_69f5.png)
![](/manualimages/a/8/sharp-el-738c-el738-operation-manual-2485ea1_24_69f5.png)
Values entered into TVM solver variables. • Enter a value and press the appropriate TVM variable key (N, f, v, u, T). • Press . After entering values, press s to quit the P/Y and C/Y settings. • After setting P/Y (number of payments per year), you can use . < to C/Y as well. 3. The same value is automatically assigned to enter N (total number of years and press . w ...
EL-738 Operation Manual - Page 25
![](/manualimages/a/8/sharp-el-738c-el738-operation-manual-2485ea1_25_742a.png)
![](/manualimages/a/8/sharp-el-738c-el738-operation-manual-2485ea1_25_742a.png)
...44-)~PMT
-44000
Enter the future value. 0 T
-~FV
000
Calculate the annual interest rate.
@ f
I/Y=
717
Answer: The annual interest rate is not displayed).
Procedure
Set all the variables to continue. Key operation...of i compounding periods per year. C/Y=
1200
Quit the P/Y and C/Y s settings.
000
Calculate the total num- 20 . < N ber of compounding periods per year to the same ...
EL-738 Operation Manual - Page 26
![](/manualimages/a/8/sharp-el-738c-el738-operation-manual-2485ea1_26_a271.png)
![](/manualimages/a/8/sharp-el-738c-el738-operation-manual-2485ea1_26_a271.png)
... . b
Display
000
Make sure ordinary annuity is set -
Enter the present value. 56000 v
Enter the future value. 0 T
Enter the annual interest 6.5 f rate. PMT = ?
Set the number of payments and
store in N. Calculate the total
20 . < N
number of payments per year.
s tings.
N = 4 × 20 years = 80
Procedure
Set all the variables to 4.
.
w 4 Q
Con...
EL-738 Operation Manual - Page 27
![](/manualimages/a/8/sharp-el-738c-el738-operation-manual-2485ea1_27_905b.png)
![](/manualimages/a/8/sharp-el-738c-el738-operation-manual-2485ea1_27_905b.png)
... three-year period.
26
Enter the present value. 0 v
Enter payment.
, 200 u
Enter the annual inter- 6.5 f est rate.
Set the number of payments and store in N. i 4 Q pounding periods per year to 12. Quit the P/Y and C/Y s settings.
Calculate the future value.
@ T
P/Y=
1200
C/Y=
400
000
ANS~N
3600
-~PV
000
(-2--)~PMT
-20000
6.5~I /Y = 6.5% (quarterly) ...... w 12 Q ments per...
EL-738 Operation Manual - Page 28
![](/manualimages/a/8/sharp-el-738c-el738-operation-manual-2485ea1_28_934d.png)
![](/manualimages/a/8/sharp-el-738c-el738-operation-manual-2485ea1_28_934d.png)
... present @ v value.
Press s to zero. 0 u
-~PMT
000
Enter the annual inter- 5 f est rate.
5~I /Y = 5%
Procedure
Set all the variables to 1. Key operation . PV=
-376889
Answer: You should you wish to 1. 4 Calculating present value
You open an account that earns 5% compounded annually. Enter the total number s 20 N of money should deposit $3,768.89 now...
EL-738 Operation Manual - Page 30
![](/manualimages/a/8/sharp-el-738c-el738-operation-manual-2485ea1_30_3eef.png)
![](/manualimages/a/8/sharp-el-738c-el738-operation-manual-2485ea1_30_3eef.png)
... is displayed).
. PV = $2,995
FV = $2,995 × 10% = $299.5
PMT = -$145
...... N = 24
I /Y
360
Calculate payment.
@ u
PMT=
-1624570
Answer: The monthly investment should be $16,245.70.
2 Annuity due
Your company wishes to obtain a computer system... value to 0 v zero.
-~PV
000
Enter the annual inter- 3.6 f est rate.
3.6~I /Y = ?%
Procedure
Set all the variables to default values.
EL-738 Operation Manual - Page 31
![](/manualimages/a/8/sharp-el-738c-el738-operation-manual-2485ea1_31_8901.png)
![](/manualimages/a/8/sharp-el-738c-el738-operation-manual-2485ea1_31_8901.png)
...If you lease the computer system, the annual interest rate would be more cost-effective to lease a computer system than to purchase one.
3 Calculating the present value of a lease with 34 monthly ... 145 u
(-145)~PMT
-14500
Enter the present value. 2995 v
2995~PV
299500
Calculate the annual interest rate.
@ f
I /Y = 18% ...... PV = ? Procedure
Key operation
Display
The number of compounding...
EL-738 Operation Manual - Page 32
![](/manualimages/a/8/sharp-el-738c-el738-operation-manual-2485ea1_32_101a.png)
![](/manualimages/a/8/sharp-el-738c-el738-operation-manual-2485ea1_32_101a.png)
... 18 f est rate.
18~I /Y = 5.5% ...... P/Y=
1200
The number of $900, how much do you borrow? PV=
627995
Answer: $6,279.95 should be charged for the machine.
4 Calculating down payment and ...a down payment?
I /Y
1800
Enter the future value. , 1500 T
(-15--)~FV
-150000
Calculate the present @ v value.
If you can afford a monthly payment of compounding periods per year ...
EL-738 Operation Manual - Page 33
![](/manualimages/a/8/sharp-el-738c-el738-operation-manual-2485ea1_33_a2ad.png)
![](/manualimages/a/8/sharp-el-738c-el738-operation-manual-2485ea1_33_a2ad.png)
...Down payment = $180,000 - Enter the total number s 25 . <
of pay- . PV=
14655892
Calculate the down payment.
32 Key operation .
The price of compounding periods per year to 12. Set the number ...Display
000
Make sure ordinary annuity is set to 0 T zero.
-~FV
000
Calculate the present @ v value. Press s to default values. N
ANS~N
30000
Enter payment.
, 900 u
(-9--)~PMT
-90000
...
EL-738 Operation Manual - Page 37
![](/manualimages/a/8/sharp-el-738c-el738-operation-manual-2485ea1_37_d432.png)
![](/manualimages/a/8/sharp-el-738c-el738-operation-manual-2485ea1_37_d432.png)
... The monthly payment is not displayed). AMRT P1=
100
Enter 48 (December) i 48 Q for the starting payment. 2 Calculating payments, interest, and loan balance after a specified payment
You have taken out a 30-year loan for $500,000... The balloon payment after the 48th period, you make with an annual interest rate of monthly payment must you want a balloon payment due, what amount of ...
EL-738 Operation Manual - Page 38
![](/manualimages/a/8/sharp-el-738c-el738-operation-manual-2485ea1_38_11b4.png)
![](/manualimages/a/8/sharp-el-738c-el738-operation-manual-2485ea1_38_11b4.png)
...64257;nancial variables are shown on the display. Discounted Cash Flow Analysis
Analyze unequal cash flows and calculate the net present value (NPV) and the internal rate of up to 100 cash flow and/or statistical data items. A single cash flow ...cash flow data according to enter a negative cash flow (outflow). • Make sure the calculator is not pos-
EL-738 Operation Manual - Page 41
![](/manualimages/a/8/sharp-el-738c-el738-operation-manual-2485ea1_41_0bb6.png)
![](/manualimages/a/8/sharp-el-738c-el738-operation-manual-2485ea1_41_0bb6.png)
.... 1. NET_PV is for discounted cash flow analysis. Internal rate of return (IRR): The interest rate that gives a net present value of 5000 from -25,000 to -30,000.
Press s to clear the display.
• Make sure the calculator is not available for calculation only and has no default value.
• The BGN/END...
EL-738 Operation Manual - Page 42
![](/manualimages/a/8/sharp-el-738c-el738-operation-manual-2485ea1_42_bf8d.png)
![](/manualimages/a/8/sharp-el-738c-el738-operation-manual-2485ea1_42_bf8d.png)
Press . < to begin discounted cash flow analysis. • If a previously entered cash flow value is displayed, press s to page 37 for instructions on entering cash flow data.
3. Enter cash flow data. • Refer to exit and then press . 2.
EL-738 Operation Manual - Page 52
![](/manualimages/a/8/sharp-el-738c-el738-operation-manual-2485ea1_52_c525.png)
![](/manualimages/a/8/sharp-el-738c-el738-operation-manual-2485ea1_52_c525.png)
... once a year.
P
• To change APR to APR: Number of return. Convert this rate back to clear the display. P
12 > 19.56 . ! Conversion between APR and EFF
Interest rates can be converted between APR and EFF
Procedure
Calculate the effective interest rate for a given nominal rate. For example, if your investment compounds monthly, then the stated nominal percentage...
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