Left Superscript and single-letter abbreviation
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Please help confirm that we have the up-to-date information for an example in An Introduction to Braille Mathematics, and to understand the explanation of a left-superscript with a single-letter abbreviation. I have a transcriber questioning whether the braille example on page 92, S 63d (1) is correct.
Please provide a current, accurate braille example for the following: 19,872,369 °C and clarify why it is brailled as presented.
I expect this is an issue of understanding the math concept behind the braille example, and your help with understanding that will be much appreciated.
If there is a number associated with the degree sign, followed by the letter F or C, the degree sign is assumed to be related to the number and the abbreviation is spaced away from the number and degree sign and preceded by the letter indicator. The abbreviation is punctuated in literary mode.
If there is no number involved, the degree sign pertains to the letter F or C -- it is a left superscript to a letter, there is no space between the degree sign and the letter and a baseline indicator returns the level to the baseline. No letter indicator is used on the letter F or C. This math expression is punctuated mathematically.
19,872,369°C [braille]#19,872,369~.* ;,c
°F [braille]~.*",f
So does this mean we need to make a correction for this in our Introduction to Braille Mathematics? Is there ever a circumstance, particularly with Celsius, when there is a difference in whether the degree sign is associated with the letter or with the number?
Thanks so much for helping us determine the answer.
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