![](http://www.alamy.com/thumbs/6/86C110AD-24A4-4360-B0DD-BF276716A542/2D4NHT0.jpg)
Writing-book with mathematical lectures and books
Size: 4272px × 2848px
Photo credit: © Rachko / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: 1960s, book, bookcase, books, bookshelf, data, education, erudition, exact, examination, formula, handwriting, heap, information, knowledge, lecture, mathematical, mathematics, notebook, page, paper, penholder, pile, problem, proof, retro, school, science, scientific, sign, solution, student, study, task, university, vintage, writing