Knowledge Base

Solution 12254: Converting Degrees Fahrenheit (°F) to Degrees Celsius (°C) on the TI-30X IIS/B.

How do I convert degrees Fahrenheit to degrees Celsius on the TI-30X IIS/B?

The following example below describes how to convert degrees Fahrenheit to degrees Celsius on the TI-30X IIS/B:

Example: Convert 98.6° Fahrenheit to Celsius.

Please Note: The °C formula is as follows:

°C=(°F-32)5/9

1) Press 32 [STO]. 
2) The screen will display A B C D E; use the arrow key to underline the appropriate letter. 
3) Scroll to A and press [ENTER].
4) Press 98.6 [-][2nd] [RCL]. (The screen will display A B C D E; move the right arrow and select A; the number 32 stored in A will appear on the display screen.)
5) Press [ENTER](The screen will display the following: 98.6-32.
6) Press [ENTER] again; the screen will display: 66.6.
7) Press [x] 5 [÷] 9 and [ENTER].
8) The screen will display: 37 which is the correct answer of 37°C.

Please see the TI-30X IIS/B guidebooks for additional information.