Mathematics Primary Sources

Click on the images below for a closer look at these primary sources and read our posts linked below that focus on math.



Click on an image below for a closer look at the salaries for the Bob-Lo Excursion Company from 1952.

Learn about midpoints using a Fabre Line map of steamship travel through the Azores.

Use trades statistics to calculate percent increase or decrease.

Calculate value based on personal property loss on the Merida shipwreck.

Determine spending on food for the Hudson River Line.

Secondary Sources

Delwyn Hyatt, Mathematics for Navigators, Algebra.

Delwyn Hyatt, Mathematics for Navigators, Plane Geometry.”

Additional Resources

PBS Learning Media on mathematics tools for 11th and 12th grade.