ब्राह्मस्फुटसिद्धान्त (ब्रह्मगुप्त - शून्य, कुट्टक, बीजगणित एवं सम्पूर्ण २१ अध्याय सान्वय सटीक)

विषुवच्छायां for (विषुवत्च्छायां) २. गुलांतरं for (ङ्गुलांतरं)` Wait, where is 3? Maybe omitted in print, but superscript 3 is in text above कर्णोद्धृतं!

Let's carefully verify the apparatus text:

Under divider line: ५८. (घ) १. विषुवच्छाया (ग) (च) for (विषुवत्च्छाया) Wait, let's look at the parenthesis in line : (विषुवच्छाया) or (विषुवत्च्छाया)? Ah, let's look closely at (विषुवच्छाया) in line : Does it have 'त्'? Wait, in line : ५८. (घ) १. विषुवच्छाया (ग) (च) for (विषुवच्छाया) Wait, if both are विषुवच्छाया, why? Look at the first: विषुवच्छाया. Look at the second: (विषुवच्छाया) or (विषुवत्च्छाया)? Look at the character before 'च्छा': In the second, there is a loop/stroke! It's विषुवत्च्छाया! Wait, what about the main text line 3? विषुवत्च्छायाज्जादिषु! So the text has `विषुवत्