# How to operate a TI 36x calculator

Written by denise hamilton
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The TI-36X is a Texas Instruments solar calculator that can be used for educational classes such as algebra, trigonometry, geometry, calculus, computer science, biology, chemistry, physics, engineering, and statistics. It is a durable calculator that operates in low light or solar light so it does not require batteries, and can perform advanced scientific functions such as one- and two-variable statistics, linear regression and trend line analysis. It can also perform the addition, subtraction, multiplication and division of fractions entered in a numerator/denominator format and other functions as specified in the owner's manual.

Skill level:
Easy

### Things you need

• Solar or lowlight source
• TI 36X Solar calculator's owners manual

## Instructions

1. 1

Remove the slide case from the TI-36X solar calculator. Expose the solar panel on the calculator to a light source and press the "AC/ON" button. The button also clears the display, errors, all pending operations, statistical data, STAT mode and memory. Perform this step with every use of the calculator as the memory may display a previous number entered.

2. 2

Press the second function button or "2nd" key to select the next function to be completed. To cancel, press the second function key again. Press the third function button or "3rd" key to select the next function to be performed. Results with more than 10 digits will display in scientific notation.

3. 3

Calculate basic arithmetic by using the plus, minus, multiplication, division and equal symbols on the calculator. Parenthetical expression and Pi can also be calculated using the parenthesis and Pi symbols.

4. 4

Calculate percents, ratios, add-ons and discounts using the plus, minus, multiplication, division and equal symbols with the per cent and "3rd" key on the calculator.

5. 5

Turn off the TI-36X Solar calculator by covering the calculator's solar panel with the slide case or by removing the calculator from the light source.

#### Tips and warnings

• Refer to the TI-36X owner's manual for all other functions such as fractions, powers and roots, logarithmic functions, angle units, DMS, rectangular to polar, polar to rectangular, trigonometric and hyperbolic functions, one- and two-variable statistics, probability, and English/metric conversions.

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