1. A modern introduction to differential equations. (©2009) Other Names: Ricardo, Henry Record Type: Book Extent: 1 online resource (xv, 518 pages), illustrations View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. A modern introduction to linear algebra. (©2010) Other Names: Ricardo, Henry Record Type: Book Extent: 1 online resource (xvi, 654 pages), illustrations View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. On 'On the frequency of Friday the thirteenth'. Issue 564 (November 2021) Authors: Ricardo, Henry Journal: Mathematical gazette Issue: Volume 105:Issue 564(2021) Page Start: 550 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
4. On 105.23. Issue 564 (November 2021) Authors: Ricardo, Henry Journal: Mathematical gazette Issue: Volume 105:Issue 564(2021) Page Start: 551 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
5. The Equivalence of Definitions of the Natural Logarithm Function. (27th May 2022) Authors: Ricardo, Henry Journal: College mathematics journal Issue: Volume 53:Number 3(2022) Page Start: 190 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗