User Manual
Table Of Contents
- Important Information
- Overview of Calculator Operations
- Turning On the Calculator
- Turning Off the Calculator
- Selecting 2nd Functions
- Reading the Display
- Setting Calculator Formats
- Resetting the Calculator
- Clearing Calculator Entries and Memories
- Correcting Entry Errors
- Math Operations
- Memory Operations
- Calculations Using Constants
- Last Answer Feature
- Using Worksheets: Tools for Financial Solutions
- Time-Value-of-Money and Amortization Worksheets
- TVM and Amortization Worksheet Variables
- Using the TVM and Amortization Variables
- Resetting the TVM and Amortization Worksheet Variables
- Clearing the Unused Variable
- Entering Positive and Negative Values for Outflows and Inflows
- Entering Values for I/Y, P/Y, and C/Y
- Specifying Payments Due With Annuities
- Updating P1 and P2
- Different Values for BAL and FV
- Entering, Recalling, and Computing TVM Values
- Using [xP/Y] to Calculate a Value for N
- Entering Cash Inflows and Outflows
- Generating an Amortization Schedule
- Example: Computing Basic Loan Interest
- Examples: Computing Basic Loan Payments
- Examples: Computing Value in Savings
- Example: Computing Present Value in Annuities
- Example: Computing Perpetual Annuities
- Example: Computing Present Value of Variable Cash Flows
- Example: Computing Present Value of a Lease With Residual Value
- Example: Computing Other Monthly Payments
- Example: Saving With Monthly Deposits
- Example: Computing Amount to Borrow and Down Payment
- Example: Computing Regular Deposits for a Specified Future Amount
- Example: Computing Payments and Generating an Amortization Schedule
- Example: Computing Payment, Interest, and Loan Balance After a Specified Payment
- TVM and Amortization Worksheet Variables
- Cash Flow Worksheet
- Bond Worksheet
- Depreciation Worksheet
- Statistics Worksheet
- Other Worksheets
- APPENDIX - Reference Information
![](/manual/texas-instruments/iibapro-tbl-1l1/user-manual-english/images/img-74.png)
70 Other Worksheets
Resetting the Percent Change/Compound Interest
Worksheet Variables
• To reset the Percent Change/Compound Interest variables to default
values, press & z while in the Percent Change/Compound
Interest worksheet.
• To reset default values for all calculator variables and formats, press
&}!.
Entering Values
• For percent-change calculations, enter values for any two of the three
variables (
OLD, NEW, and %CH) and compute a value for the
unknown variable (leave
#PD=1). A positive percent change
represents a percentage increase; a negative percent change
represents a percentage decrease.
• For compound-interest calculations, enter values for the three known
variables and compute a value for the unknown fourth variable.
•
OLD= present value
•
NEW= future value
•
%CH= interest rate per period
• #PD= number of periods
• For cost-sell-markup calculations, enter values for two of the three
variables (OLD, NEW, and %CH) and compute a value for the
unknown.
•
OLD = cost
•
NEW= selling price
• %CH= percent markup
•
#PD= 1
Computing Values
1. To select the Percent Change/Compound Interest worksheet, press &
q. The current value for OLD is displayed.
2. To clear the worksheet, press & z.
Variable Default Variable Default
OLD
0
OLD
0
NEW
0
NEW
0