導入
The Texas Instruments BA II Plus is a financial calculator designed for business professionals and students. It performs common mathematical operations and a wide range of financial functions, including time-value-of-money, cash flow analysis, and advanced statistics. This manual provides essential information for setting up, operating, and maintaining your calculator.
設定
バッテリーの取り付け
The calculator requires one CR123A battery, which is included. To install or replace the battery:
- ユニットの背面にある電池ボックスを見つけます。
- コンパートメントカバーを開きます。
- Insert the CR123A battery, ensuring correct polarity (+ and - terminals).
- 収納部カバーをしっかりと閉めてください。
初期電源オン
を押す [オン/オフ] key to power on the calculator. The display will show the last calculated value or a default screen. If the display is blank, ensure the battery is properly installed and charged.
操作手順
基本操作
Perform standard arithmetic operations using the number keys and the [+]、[-]、[×]、[÷] キー。 [=] key executes the calculation.
Second Functions
Many keys have a second function printed above them. To access these, press the [2ND] key (typically yellow) followed by the desired function key. For exampファイルにアクセスするには [CLR TVM] 機能、押す [2ND] それから [FV].
Time-Value-of-Money (TVM) Functions
Use the TVM keys ([N], [I/Y], [PV], [PMT], [FV]) to solve problems involving annuities, loans, mortgages, and other time-value calculations. Input known values and then press [CPT] (Compute) followed by the unknown variable you wish to calculate.
Cash Flow Analysis
の [CF] key initiates the Cash Flow worksheet. Input the initial investment (CF0) and subsequent cash flows (C01, C02, etc.) along with their frequencies (F01, F02, etc.). After entering all cash flows, use [NPV] そして [IRR] to calculate Net Present Value and Internal Rate of Return, respectively.
Amortization and Depreciation
- 償却： Access the Amortization worksheet by pressing [2ND] [AMORT]. This function allows for the calculation of principal and interest paid over specific periods of a loan.
- Depreciation: The Depreciation worksheet ([2ND] [DEPR]) supports various depreciation methods for asset valuation.
統計関数
の [データ] key allows entry of data for statistical analysis. Use [STAT] to access statistical functions, including one- and two-variable statistics with linear, logarithmic, exponential, and power regression options.
メモリのクリア
- To clear all memory registers, press [2ND] [CLR WORK].
- To clear Time-Value-of-Money registers, press [2ND] [CLR TVM].
- For cash flow data, clear within the [CF] worksheet by pressing [2ND] [CLR WORK] while in the cash flow menu.
主な特徴
- Performs profitability calculations, including Net Present Value (NPV) and Internal Rate of Return (IRR) for uneven cash flows.
- Dedicated Time-Value-of-Money (TVM) and Amortization keys simplify calculations for pensions, loans, and mortgages.
- Offers list-based one- and two-variable statistics with four regression options: linear, logarithmic, exponential, and power.
メンテナンス
Proper care ensures the longevity and performance of your calculator.
- クリーニング： Keep the calculator clean and dry. Use a soft, dry cloth for cleaning. Avoid harsh chemicals, abrasive cleaners, or solvents.
- ストレージ： When not in use, store the calculator with its protective slide case to prevent damage to the screen and keys.
- バッテリー交換: Replace the CR123A battery when the display dims, the calculator behaves erratically, or fails to power on. Refer to the battery installation section for instructions.
トラブルシューティング
- 電卓がオンにならない: バッテリーが正しく取り付けられ、十分に充電されていることを確認してください。必要に応じてバッテリーを交換してください。
- 不正確な結果: Verify all input values. Ensure the correct financial mode (e.g., BEGIN or END for annuities) is selected. Clear all memory registers ([2ND] [CLR WORK]) before starting new complex calculations to prevent interference from previous data.
- 表示の問題: Check battery level. If the display is faint, replace the battery. If segments are missing, contact customer support.
- 応答しないキー: Ensure keys are pressed firmly. If specific keys consistently fail to respond, contact customer support.
仕様
- ブランド： テキサス・インスツルメンツ
- モデル： BA II Plus
- 寸法: 6.49 x 0.69 x 2.99インチ
- 重さ： 3.8オンス
- 電源: CR1A電池123個（付属）
- 材料： ABSプラスチック
- 画面： 10桁
- 機能: Financial, Statistical, Standard Math
保証とサポート
For product support, additional resources, and warranty information, please visit the official Texas Instruments education webサイト： education.ti.com/BAIIPLUS-info.
法的免責事項:
This product contains a button cell or coin battery. Swallowing a button cell or coin battery can cause internal chemical burns in as little as 2 hours. Keep new and used batteries out of reach of children. Seek immediate medical attention if a battery is suspected to be swallowed or inserted inside any part of the body.
