Write about TWO important mathematical books/publications (give author, title, short

Step 1
${\displaystyle Given:-}$
The two important mathematical books/publications ( give author,title, short content description) from each of the two time periods so a total of four publications/books.
Time periods are 1300 - 1750 and 1750-2000.
Step 2 ${\displaystyle Solution:-}$
${\displaystyle B\mathrm{\infty }ks\mathfrak{o}m}$
${\displaystyle Auth\text{or}-}$ Madhava
${\displaystyle Nationality:-}$ Indian
${\displaystyle Description:-}$ Use of Infinite series of fractions to give an exact formula for ${\displaystyle \pi }$ , Sine formula and other trigonometric functions , Important step towards the development of calculus.
${\displaystyle Auth\text{or}:-}$ Lodovico Ferrari
${\displaystyle Nationality:-}$ Italian
${\displaystyle Description:-}$ Devised formula for solution of quadratic equations.
${\displaystyle B\mathrm{\infty }ks\mathfrak{o}m}$ ${\displaystyle 1750-2000}$
${\displaystyle Auth\text{or}:-}$ Joseph Louis Lagrange
${\displaystyle Nationality:-}$ Italian/French
${\displaystyle Description:-}$ Comprehensive treatment of classical and celestial mechanics, calculus of variations, Lagranges