To use a slide rule you need to learn: 1. Estimating your result to the nearest power of 10. 2. Understand significant digits. 3. Proportion and inverse proportion.
Those are useful things to know (some turn into laws). What other math (beyond arithmetic) do 95% of the population ever need to know as adults? ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
