Texas-instruments BA II PLUS Manuel d'utilisateur Page 100
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- Table des matières
- MARQUE LIVRES
Noté. / 5. Basé sur avis des utilisateurs
96 Appendix — Reference Information
Rounding
If a calculation produces a result with 11-digits or more, the calculator
uses the internal guard digits to determine how to display the result. If
the eleventh digit of the result is 5 or greater, the calculator rounds the
result to the next larger value for display.
For example, consider this problem.
1 P 3 Q 3 = ?
Internally, the calculator solves the problem in two steps, as shown
below.
1. 1 P 3 = 0.3333333333333
2. 0.3333333333333 Q 3 = 0.9999999999999
The calculator rounds the result and displays it as 1. This rounding
enables the calculator to display the most accurate result.
Although most calculations are accurate to within ±1 in the last displayed
digit, higher-order mathematical functions use iterative calculations, in
which inaccuracies can accumulate in the guard digits. In most cases, the
cumulative error from these calculations is maintained beyond the 10-
digit display so that no inaccuracy is shown.
AOS™ (Algebraic Operating System) Calculations
When you select the AOS calculation method, the calculator uses the
standard rules of algebraic hierarchy to determine the order in which it
performs operations.
Algebraic Hierarchy
The table shows the order in which the calculator performs operations
using the AOS calculation method.
Priority Operations
1 (highest)
x
2
, x!, 1/x, %, ‡x, LN, e
2
, HYP, INV, SIN, COS, TAN
2 nCr, nPr
3
Yx
4
Q, P
5 +, -
6
)
7 (lowest)
=
- BA II PLUS™ 1
- Calculator 1
- Important Information 2
- Interference 2
- Contents 3
- Turning On the Calculator 5
- Turning Off the Calculator 5
- Selecting 2nd Functions 6
- Reading the Display 6
- RAD is not displayed 7
- Setting Calculator Formats 8
- Choosing the Angle Units 9
- Using Dates 9
- Choosing Calculation Methods 9
- Resetting Default Values 9
- Resetting the Calculator 10
- Correcting Entry Errors 11
- Math Operations 12
- Universal Power ; 13
- Scientific Notation ; 15
- Memory Operations 16
- Calculations Using Constants 17
- Last Answer Feature 18
- 2 ; 2.00 19
- Types of Worksheet Variables 21
- Enter-Only Variables 21
- Compute-Only Variables 21
- Automatic-Compute Variables 22
- Selecting Worksheet Settings 22
- Display Indicators 23
- Worksheets 25
- Clearing the Unused Variable 27
- Updating P1 and P2 28
- Computing Monthly Payments 31
- Computing Quarterly Payments 31
- Computing Future Value 32
- Computing Present Value 32
- Agreement 33
- Perpetual ordinary annuity 34
- Cash Flows 35
- With Residual Value 37
- Down Payment 40
- Specified Future Amount 41
- Amortization Schedule 42
- Computing the Monthly Payment 43
- Balloon Payment 44
- Cash Flow Worksheet 45
- Uneven and Grouped Cash Flows 46
- Entering Cash Flows 47
- Deleting Cash Flows 47
- Inserting Cash Flows 48
- Computing Cash Flows 48
- Computing NPV 49
- Computing IRR 49
- solutions can exist 50
- Entering Cash-Flow Data 51
- Editing Cash-Flow Data 51
- Bond Worksheet 55
- Bond Worksheet Variables 56
- until ACT or 360 appears 57
- Bond Worksheet Terminology 58
- SDT value and press ! 59
- Interest 60
- Depreciation Worksheet 61
- 58 Depreciation Worksheet 62
- Entering Values for LIF 63
- Entering Values for M01 63
- Working with YR 63
- Entering Depreciation Data 64
- 62 Depreciation Worksheet 66
- Statistics Worksheet 67
- Entering Data Points 68
- Regression Models 69
- Entering Statistical Data 70
- Computing Statistical Results 71
- 68 Statistics Worksheet 72
- Other Worksheets 73
- Worksheet Variables 74
- Entering Values 74
- Computing Values 74
- Interest Conversion Worksheet 76
- Resetting Variables 77
- Converting Variables 77
- Converting Interest Rates 77
- Date Worksheet 78
- Entering Dates 79
- Computing Dates 79
- Profit Margin Worksheet 80
- Computing Profit Margin 81
- Breakeven Worksheet 82
- Computing Breakeven 83
- Memory Worksheet 84
- 82 Other Worksheets 86
- Formulas 87
- Amortization 89
- Cash Flow 89
- I/Y ÷ 100 90
- Depreciation 92
- Straight-line depreciation 93
- Statistics 94
- Regressions 95
- Interest Rate Conversions 95
- Percent Change 95
- Profit Margin 96
- Breakeven 96
- Days between Dates 96
- 30/360 day-count method 97
- Error Messages 98
- Accuracy Information 99
- ‡x, LN, e 100
- Battery Information 101
- In Case of Difficulty 102
- For general information 103
- For technical support 103
- THIS WARRANTY IS VOID IF THE 104
- All Other Customers 105
- Numerics 107
- 110 Index 114
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