http://www.mapleprimes.com/questions/42167-Rounding-Very-Small-Numbers-To-Zero en-us 2026 Maplesoft, A Division of Waterloo Maple Inc. Maplesoft Document System Tue, 16 Jun 2026 09:32:50 GMT Tue, 16 Jun 2026 09:32:50 GMT The latest answers and comments added to the Question, Rounding very small numbers to zero http://www.mapleprimes.com/images/mapleprimeswhite.jpg http://www.mapleprimes.com/questions/42167-Rounding-Very-Small-Numbers-To-Zero http://www.mapleprimes.com/questions/42167-Rounding-Very-Small-Numbers-To-Zero?ref=Feed:MaplePrimes:Rounding very small numbers to zero:Comments#answer78812 It seems to be a little known Maple command [it does not appear often in the books, and is not linked to much in the help either]. But it does exactly what you want. It seems to be a little known Maple command [it does not appear often in the books, and is not linked to much in the help either]. But it does exactly what you want. 78812 Fri, 08 Dec 2006 02:12:42 Z JacquesC JacquesC http://www.mapleprimes.com/questions/42167-Rounding-Very-Small-Numbers-To-Zero?ref=Feed:MaplePrimes:Rounding very small numbers to zero:Comments#answer78810 In your example the z term could be very large depending on the value of z. But perhaps something like this would do what you want. restart; e1 := 1*x + 2*y - (1*10^(-20)*y); evalf(e1); J. Tarr In your example the z term could be very large depending on the value of z. But perhaps something like this would do what you want. restart; e1 := 1*x + 2*y - (1*10^(-20)*y); evalf(e1); J. Tarr 78810 Fri, 08 Dec 2006 02:42:31 Z Mariner Mariner