| 1 | initial version |
I've updated my answer to "is it possible to round numbers in symbolic expression" to handle functions (such as logarithms) that can be evaluated numerically:
sage: SubstituteNumericalApprox(digits=5)(1.5*2^x/log(2))
2.1640*2.0000^x
Copyright Sage, 2010. Some rights reserved under creative commons license. Content on this site is licensed under a Creative Commons Attribution Share Alike 3.0 license.