Introduction
This manual provides comprehensive instructions for the Buffalo Original Scientific Calculator Model 2559. This device is designed for students, professionals, and enthusiasts, offering 240 functions for various mathematical and scientific calculations. Please read this manual thoroughly to ensure proper use and to maximize the calculator's capabilities.
Key Features
- 10+2 Digit Operation of Scientific and Statistical Functions
- Easy-To-Read 2-Line LCD Display
- Quality Keypad with 47 Precision-Touch Keys
- Hard Cover for Protection Against Dust & Damage
- 240 Basic and Advanced Scientific Functions
- Trigonometric Functions (Sine, Cosine and Tangent, including inverse)
- Logarithmic Functions
- Algebraic Equation Solver
- Statistical Calculations with Stat-Data Editor
- Fractions Calculations
- Full-Function Memory Keys
- Battery Powered (2 LR44 batteries included)
Image showing the back of the Buffalo Original Scientific Calculator Model 2559 packaging, detailing key features and specifications in both English and French. The English section lists 'FEATURES' such as 10+2 Digit Operation, 2-Line LCD Display, 240 Basic and Advanced Scientific Functions, and Battery Powered.
Setup
Battery Installation
The Buffalo Original Scientific Calculator Model 2559 requires two LR44 batteries, which are included. Follow these steps to install or replace batteries:
- Locate the battery compartment on the back of the calculator.
- Use a small screwdriver to open the battery cover.
- Insert two LR44 batteries, ensuring correct polarity (+/-).
- Replace the battery cover and secure it.
Image showing the back of the Buffalo Original Scientific Calculator Model 2559, highlighting the battery compartment and quick reference guide. The battery compartment is located at the top, secured by a small screw.
Operating Instructions
Power On/Off
- Press the ON button to turn the calculator on.
- Press SHIFT then AC (OFF) to turn the calculator off.
Basic Operations
- Enter numbers using the numeric keypad.
- Use +, -, *, / for addition, subtraction, multiplication, and division.
- Press = to display the result.
Mode Selection
Press the MODE button to cycle through different calculation modes (e.g., COMP for general computation, SD for standard deviation, REG for regression). Refer to the quick reference guide on the back of the calculator for specific mode numbers.
Scientific Functions
- Access secondary functions (printed above keys) by pressing the SHIFT key followed by the desired function key.
- Access alpha functions by pressing the ALPHA key followed by the desired function key.
- Examples include trigonometric functions (sin, cos, tan), logarithmic functions (log, ln), and power functions (x^2, x^3, x^y).
Memory Functions
- STO (Store): Stores a value into a memory variable.
- RCL (Recall): Recalls a value from a memory variable.
Multi-Replay Function
The calculator features a multi-replay function, allowing you to scroll through and edit previous calculations. Use the directional arrow keys to navigate through past entries and results.
Statistical Calculations (SD Mode)
- To enter Statistical Deviation (SD) mode: Press MODE and select the SD option (e.g., MODE 2 as indicated on the quick reference).
- To clear statistical memory: Press SHIFT then CLR then 1 (Scl).
- To input data: Enter a value, then press M+ (Data).
- Example: To calculate standard deviation for data 25, 47, 13:
- 25 M+
- 47 M+
- 13 M+
- To view statistical results (e.g., mean, standard deviation): Press SHIFT then S-VAR then the corresponding number (e.g., 1 for mean, 2 for standard deviation).
Image showing the back of the Buffalo Original Scientific Calculator Model 2559, with a quick reference guide. The 'Multi Replay' section demonstrates how to review and re-execute previous calculations, and the 'Standard Deviation SD (MODE 2)' section provides step-by-step instructions for performing statistical calculations.
Maintenance
Cleaning
Wipe the calculator with a soft, dry cloth. Do not use abrasive cleaners or solvents, as these can damage the display or casing.
Storage
Store the calculator in a cool, dry place. Use the provided hard cover to protect the display and keys from dust and damage. If storing for an extended period, remove the batteries to prevent leakage.
Troubleshooting
Display is blank or dim
- Check battery installation and polarity.
- Replace batteries if they are low or depleted.
Incorrect results
- Ensure the calculator is in the correct mode (e.g., COMP for general calculations, SD for statistics).
- Clear all memory and settings by pressing SHIFT then CLR then ALL (3).
- Review your input and calculation steps carefully.
Specifications
| Brand | Buffalo Original |
| Model | 2559 |
| Functions | 240 |
| Display | 2-Line LCD, 10+2 digits |
| Power Source | Battery Powered (2 x LR44, included) |
| Material | Plastic |
| Dimensions | 21.01 x 2.49 x 0.25 cm |
| Weight | 150 g |
Warranty and Support
Warranty Information
Buffalo-Original warrants that this product will be free from defects in material and workmanship.
Contact Information
For support or further inquiries, please visit the official Buffalo-Original website: www.buffalo-original.com
Manufacturer: Buffalo Original, Boucherville, QC J4B 7K8, Canada.
Image showing the back of the Buffalo Original Scientific Calculator Model 2559 packaging, which includes warranty information stating that the product is free from defects in material and workmanship. Contact details for Buffalo-Original are also provided.
Product Overview
Front view of the Buffalo Original Scientific Calculator Model 2559 in its retail packaging. The packaging highlights '240 FUNCTIONS' and 'DUAL LINE LCD SCIENTIFIC CALCULATOR', along with features like '10+2 DIGIT DISPLAY' and 'BATTERY POWERED'.
