बीजगणितम् (भास्कराचार्य द्वितीय - प्राचीन भारतीय समीकरण एवं बीजगणित सूत्र सटीक)

: 'ई' has that PLUS an anchor/curve on top!
Now look at line 19:
Does it have an anchor on top?
YES, it has an anchor/curve on top!
AND DOES IT HAVE A HORIZONTAL STROKE or another mark?
Wait! Look at line 14, above the fraction:
Between line 14 and 15:
There is:

ई.²

४इ.²
Wait! In line 14, someone wrote:
कल्प्यते नी² = इ.² या² + ई. या. का + [?]² का²
Wait, is that [?]² का² or is it ई. का²?
Wait, look at line 14:
Is the letter before का² in line 14:
ई.² का² ?
Wait, look at line 14:

• [?]² का²
  Wait, look at the mark above that letter:
  It's a '²'!
  And look at line 15:
  वा नी² = इ.² या² + ई. या. का +
  ई.²
  --- × का² + का² ( [?]² - ई.² / ४इ.² )
  ४इ.²
  Wait! In line 15, inside the bracket:
  का² ( [?]² - ई.² / ४इ.² )
  Wait, what is [?]²?
  Why would it be [?]² -