Monthly Archives: April 2022

Slide Rule Examples

Slide rules were widely used in engineering, science, and mathematicsĀ until the early 1970s, including during the Gemini and Apollo space programs. Although rendered largely obsolete by the advent of inexpensive electronic calculators, their descendants continue to have specialized applications, such … Continue reading

Posted in Astronomy, Mathematics, Physics, Students | Leave a comment

Slide Rule Theory

Slide rules were the analog computers that ruled science and engineering for 400 years. Their brilliant innovation was using logarithms to convert multiplication and division to addition and subtraction, and Slide rules feature logarithmic scales that slide past each other. … Continue reading

Posted in Mathematics | Leave a comment