Peter Gray

1807? – 1887

• Tables and formulæ for the computation of life contingencies
• A commutation table for calculating the values of benefits depending upon a single male life ....
• Assurance and annuity tables
• On the arithmometer
• Tables and formulae for the computation of life contingencies
• Tables for the formation of logarithms & anti-logarithms to twenty-four or any less number of places