mathman opened this issue on Jan 29, 2009 · 37 posts
Anthony Appleyard posted Sat, 31 January 2009 at 12:33 AM
degF = (9/5) * degC + 32; degC = (degF - 32) * (5/9)
9/5 = 1 / (5/9) = 2 / (10/9) = 2 * (9/10)
degF = (degC -degC/10) * 2 + 32
x = (degF - 32); degC = (x + x/9) / 2