Introduction
This manual provides instructions for the proper use and maintenance of your Texas Instruments TI-106 II Scientific School Calculator. Please read this manual thoroughly before using the calculator to ensure optimal performance and longevity.
The TI-106 II is designed for primary school students, featuring a 2-line display for clear viewing of calculations and results, and basic arithmetic functions.
Product Overview
The Texas Instruments TI-106 II calculator is a durable and user-friendly device. Key features include:
- Extra large 2-line display showing both input and result.
- Point before line calculation (order of operations).
- Large, colored, grippy buttons for ease of use.
- Memory functions (M+, M-, MRC).
- Square root, percentage, and sign change (+/-) functions.
- Robust construction.
- Dual power source: solar and battery operated.
Image 1: Front view of the Texas Instruments TI-106 II Scientific School Calculator. It features a blue casing with white and light blue buttons, a 2-line display, and the "TI-106 II" model name at the top.
Setup
Power Source
The TI-106 II calculator operates using both solar power and a battery. For optimal performance, ensure the calculator is exposed to sufficient light. If the display dims or functions become erratic in low light, the battery may need replacement.
- Solar Power: The calculator is equipped with a solar panel. It will draw power from ambient light when available.
- Battery Power: A CR123A battery is required for operation in low-light conditions or when solar power is insufficient.
Battery Installation/Replacement
To replace the battery:
- Turn the calculator over to access the battery compartment.
- Using a small screwdriver, carefully open the battery compartment cover.
- Remove the old CR123A battery.
- Insert a new CR123A battery, ensuring correct polarity (+ and -).
- Securely close the battery compartment cover.
Image 2: Back view of the Texas Instruments TI-106 II calculator packaging. This image shows multilingual text regarding the calculator's features and warranty information, including details about solar and battery power.
Operating Instructions
Basic Operations
- Power On/Clear: Press ON/C to turn on the calculator or clear the current entry/calculation.
- Number Entry: Use the number keys (0-9) to enter digits.
- Decimal Point: Press . for a decimal point.
- Arithmetic Operations: Use +, -, ×, ÷ for addition, subtraction, multiplication, and division.
- Equals: Press = to display the result of a calculation.
- Sign Change: Press +/- to change the sign of the displayed number.
- Percentage: Press % for percentage calculations.
- Square Root: Press √ to calculate the square root of the displayed number.
Memory Functions
The calculator includes memory functions to store and recall numbers:
- M+: Adds the displayed number to the memory.
- M-: Subtracts the displayed number from the memory.
- MRC:
- Press once to recall the value stored in memory.
- Press twice to clear the memory.
Error Correction
- DEL (Delete): Deletes the last entered digit.
- ON/C: Clears the current entry or calculation. Pressing it twice will clear everything including memory if pressed after MRC.
Image 3: Angled front view of the Texas Instruments TI-106 II calculator, highlighting the layout of the numeric and function keys, and the 2-line display.
Maintenance
- Cleaning: Wipe the calculator with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Storage: Store the calculator in a cool, dry place away from direct sunlight and extreme temperatures.
- Protection: The calculator comes with a protective cover. Use it to prevent scratches and damage to the keys and display.
Image 4: Side view of the Texas Instruments TI-106 II calculator, showing its blue casing and the white protective cover that slides over the front.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Display is blank or dim. | Insufficient light for solar power, or low battery. | Move the calculator to a well-lit area. Replace the CR123A battery if the issue persists. |
| Calculator does not respond to key presses. | Calculator is off, or battery is depleted. | Press ON/C. Ensure sufficient light or replace the battery. |
| Incorrect calculation results. | Incorrect input or misunderstanding of order of operations. | Review your input. Remember the calculator follows the "point before line" (order of operations) rule. Clear the calculator and re-enter the calculation. |
Specifications
- Model: TI-106 II (106II/FBL/1E2)
- Brand: Texas Instruments
- Display: 2-line LCD
- Power Source: Solar and 1x CR123A battery
- Dimensions: 4.72 x 2.76 x 0.1 inches (12 x 7 x 0.25 cm)
- Weight: 2.57 ounces (72.86 grams)
- Functions: Basic arithmetic, percentage, square root, memory functions, sign change.
Warranty and Support
Limited Warranty: This product is covered by a limited warranty. For detailed terms and conditions, please visit the official Texas Instruments education website: education.ti.com/warranty.
Customer Support: For assistance or further inquiries, please contact Texas Instruments customer service. Support information can be found at: education.ti.com/Europe or education.ti.com/csc.
