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Everything about Promptuary
16th-century device to aid multiplication
A promptuary, also known as a card abacus, is a calculating machine invented by the 16th-century Scottish mathematician John Napier and described in his book Rabdologiae in which he also described Napier's bones. Wikipedia →
🧠Start here: a 6-step reading path
- Read the overview: PromptuaryA 5-minute orientation
- Pick up a classic book: Tracts of the learned and celebrated antiquarian Sir Thomas Urquhart of CromartyThe most-reprinted book on the subject
- Read the landmark paper: The Promptuary PapersCited 1 times
- Go sideways: Napier's bonesA closely related topic
- Go sideways: Genaille–Lucas rulersA closely related topic
đź“– Definitions
Noun A magazine, repository, or handbook.
Noun A device described in Napier's treatise Rabdologiæ, consisting of a large set of strips used to multiply multi-digit numbers more easily than Napier’s bones.
Adjective Of or relating to preparation.
🗂️ The subject at a glance
🏆 Landmark papers (most cited)
đź“š Books worth reading
- 📕Tracts of the learned and celebrated antiquarian Sir Thomas Urquhart of CromartyThomas Urquhart · 1774
- 📕Preacher's Promptuary of Anecdote. Stories, New and Old, Arranged, Indexed, and Classified, for the Use of Preachers, Teachers and CatechistsW. Frank Shaw · 1884
A promptuary for preachersJohn M. Ashley · 1876- 📕Le primer [-second] volume del Promptuarie, ou, Repertory generall de les annales et plusors auters liures del common ley dEngleterreThomas Ashe · 1614
The works of Sir Thomas UrquhartThomas Urquhart · 1971- 📕Promptuari d'ortografiaFrancesc de B. Moll · 1963
- 📕Promptuari de DirsJosep Maria Mestres quadreny · 1997
- 📕Promptuari de DirsJosep Maria Mestres quadreny · 1997
Ranked by number of editions on Open Library, a rough measure of how lasting a book is.
đź”— Related topics
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