導入
This manual provides detailed instructions for the operation and maintenance of your Sharp EL-531TGBBW Scientific/Engineering Calculator. Designed for students and professionals, this calculator offers 273 functions, a 2-line display, and Direct Algebraic Logic (D.A.L.) for intuitive input. Please read this manual thoroughly to ensure proper use and to maximize the calculator's capabilities.
Image: The Sharp EL-531TGBBW scientific calculator, showcasing its 2-line display with an exampル計算。
設定
バッテリーの取り付け
The Sharp EL-531TGBBW calculator operates on Twin Power (solar and battery). One AAA battery is included. To install or replace the battery:
- 電卓がオフになっていることを確認してください。
- 電卓の背面にある電池ボックスのカバーを見つけます。
- Carefully slide or unscrew the cover to open it.
- 電池ボックス内の指示に従って、極性 (+/-) が正しいことを確認して、単 4 電池を挿入します。
- 電池収納部のカバーをしっかりと取り付けてください。
初期電源オン
を押す オン/C key to turn on the calculator. The display should show '0' or a previous calculation result. If the display is dim or blank, ensure the battery is correctly installed and that there is sufficient light for the solar panel.
操作手順
画像: 正面 view of the Sharp EL-531TGBBW calculator, showing the keypad and display for operational reference.
Display and Direct Algebraic Logic (D.A.L.)
The calculator features a 2-line LCD display, showing both the calculation entry and the result simultaneously. The Direct Algebraic Logic (D.A.L.) system allows you to input elements of an expression in the exact order they appear when written, simplifying complex calculations.
基本操作
- 加算、減算、乗算、除算： 数字を入力して +, -, ×, ÷ キー。 プレス = 結果については。
- エントリをクリア/すべてクリア: プレス オン/C once to clear the current entry. Press it twice to clear all calculations and memory (except independent memory).
Scientific Functions (273 Functions)
The calculator supports a wide range of scientific functions. Many keys have secondary functions, accessed by pressing the 2階 最初にキーを押し、次に目的のファンクション キーを押します。
- 三角関数: 罪, コス, 日焼け およびその逆関数（arc sin, arc cos, arc tan).
- 対数関数: ログ (common logarithm), ln （自然対数）。
- パワーとルーツ: ײ, √, yˣ.
- 階乗: n!
- Reciprocals: 1/x
- 双曲線関数: hyp (hyperbolic sine, cosine, tangent).
メモリ機能
The calculator includes eight temporary memories, one independent memory (M+, M-, RCL M), and one last answer memory (回答).
- STO (Store): Stores a value into a variable (A-F, X, Y).
- RCL (Recall): Recalls a value from a variable.
- M+ / M-: Adds/subtracts the displayed value to/from the independent memory.
- 回答: Recalls the result of the previous calculation.
統計関数
The calculator supports 1-variable and 2-variable statistics, along with six regression types.
- プレス モード 選択する ステータス モード。
- Choose the desired statistical calculation type (e.g., 1-VAR, 2-VAR).
- Enter data using the DATA CD 鍵。
- Perform calculations using the statistical function keys.
N-Base Calculations
Perform calculations in Hexadecimal (ヘックス), Binary (ビン), Decimal (12月), Octal (10月), and Pentadecimal (ペン) bases.
- Use the dedicated keys for base conversions (e.g., →HEX, →BIN).
- Logical operations like AND, OR, NOT, XOR, and XNOR are also available.
Equation Editing & Playback
The calculator allows for editing previously entered equations and multi-line playback. Use the arrow keys to navigate through entries and make corrections.
ホームキー
の 家 key allows users to return to the initial calculation screen, clearing any previously entered data or settings without turning off the calculator.
Image: The Sharp EL-531TGBBW calculator alongside a visual list of its key features, including Direct Algebraic Logic, 273 functions, and applications in various subjects.
メンテナンス
クリーニング
To clean the calculator, use a soft, dry cloth. Do not use abrasive cleaners, solvents, or spray directly onto the calculator. Avoid excessive moisture.
Protective Hard Cover
The calculator comes with a protective hard cover. Always use this cover when the calculator is not in use to prevent scratches, dust accumulation, and accidental damage to the display and keys.
電源
The EL-531TGBBW utilizes Twin Power, meaning it operates on both solar energy and a AAA battery. Ensure the solar panel is exposed to light for optimal performance and to extend battery life. Replace the AAA battery when the display becomes dim or unresponsive in low light conditions.
トラブルシューティング
- ディスプレイが空白または暗い場合: Check battery installation and ensure sufficient light for the solar panel. Replace the AAA battery if necessary.
- 計算結果が正しくありません: Verify the input sequence and selected mode (e.g., DEG/RAD/GRAD, Normal/STAT). Press リセット (located on the back, may require a thin object like a paperclip) to return the calculator to its default settings. Note that resetting will clear all memory contents.
- Calculator does not respond to key presses: Ensure the calculator is turned on. If it remains unresponsive, try removing and reinserting the battery, or perform a reset.
仕様
Image: The Sharp EL-531TGBBW calculator with its physical dimensions (length, width, thickness) clearly indicated.
| モデル番号 | EL-531TGBBW |
| 画面 | 12-Digit, 2-Line LCD |
| 機能 | 273 Scientific, Math, and Statistic Functions |
| ロジックシステム | Direct Algebraic Logic (D.A.L.) |
| 電源 | Twin Power (Solar and 1 AAA Battery) |
| 寸法（長さ×幅×高さ） | 6.1 x 3.1 x 0.1インチ |
| アイテム重量 | 3.4オンス |
| メモリ | 8 Temporary, 1 Independent, 1 Last Answer |
| 付属アクセサリ | Protective Hard Cover, 1 AAA Battery |
保証とサポート
For warranty information or technical support regarding your Sharp EL-531TGBBW calculator, please refer to the documentation provided with your purchase or contact the manufacturer, Victor Technology LLC, or Sharp customer service directly. Contact details can typically be found on the official Sharp webサイトまたは製品のパッケージ。
