Useful lessons from Venezuela - s crumbling populist economy: Don Pittis, CBC News Current news in the economy Useful https://en.wikipedia.org/wiki/Calculator Paul Dirac 1902 – 1984 Srinivasa Ramanujan 1887 – 1920 Joseph-Louis Lagrange 1736 – 1813 Ludwig Boltzmann 1844 – 1906 Charles Darwin 1809 – 1882 https://en.wikipedia.org/wiki/Calculator Carl F. Gauss 1777 – 1855 Max Planck 1858 – 1947 Charles Darwin 1809 – 1882 Blaise Pascal 1623 – 1662 Dmitri Mendeleev 1834 – 1907 Blaise Pascal 1623 – 1662 Joseph-Louis Lagrange 1736 – 1813 Johannes Kepler 1571 – 1630 Leonhard Euler 1707 – 1783 Michael Faraday 1791 – 1867 Leonhard Euler 1707 – 1783 Charles Darwin 1809 – 1882 Blaise Pascal 1623 – 1662 Joseph-Louis Lagrange 1736 – 1813 Isaac Newton 1642 – 1726 Marie-Sophie Germain 1776 – 1831