ако log 0.318  0.3364 и log 0.317  0.33320 тогава log 0.319  ?
log 0.318 / log 0.317  log ( 0.318 - 0.317 )  log 0.001  0.3364 / 0.33320  1.0096 сега , log 0.318 * log 0.001  log ( 0.318 + 0.001 )  log 0.319  0.3364 * 1.0096  0.3396 така опция c отговор : c
multiply(0.3364, divide(0.3364, 0.3332))