Leonardo Pisano (Fibonacci)

I have also included a chapter on the calculation of rents, which is a very important part of commercial arithmetic.

I have also included a chapter on the calculation of wages, which is a very important part of commercial arithmetic.

I have also included a chapter on the calculation of prices, which is a very important part of commercial arithmetic.

I have also included a chapter on the calculation of areas, which is a very important part of geometry.

I have also included a chapter on the calculation of volumes, which is a very important part of geometry.

I have also included a chapter on the calculation of circumferences, which is a very important part of geometry.

I have also included a chapter on the calculation of diameters, which is a very important part of geometry.

I have also included a chapter on the calculation of radii, which is a very important part of geometry.

I have also included a chapter on the calculation of chords, which is a very important part of geometry.

I have also included a chapter on the calculation of arcs, which is a very important part of geometry.

I have also included a chapter on the calculation of segments, which is a very important part of geometry.

I have also included a chapter on the calculation of sectors, which is a very important part of geometry.

I have also included a chapter on the calculation of triangles, which is a very important part of geometry.

I have also included a chapter on the calculation of quadrilaterals, which is a very important part of geometry.

I have also included a chapter on the calculation of polygons, which is a very important part of geometry.

I have also included a chapter on the calculation of circles, which is a very important part of geometry.

I have also included a chapter on the calculation of spheres, which is a very important part of geometry.

I have also included a chapter on the calculation of cones, which is a very important part of geometry.

I have also included a chapter on the calculation of cylinders, which is a very important part of geometry.

I have also included a chapter on the calculation of pyramids, which is a very important part of geometry.