//echo -a $calc(1 * (10^50)) returns 100000000000000010000000000000000000000000000000000
//echo -a $calc(2 * (10^50)) returns 200000000000000020000000000000000000000000000000000
//echo -a $calc(3 * (10^50)) returns 300000000000000020000000000000000000000000000000000
//echo -a $calc(4 * (10^50)) returns 400000000000000030000000000000000000000000000000000
//echo -a $calc(5 * (10^50)) returns 500000000000000000000000000000000000000000000000000
//echo -a $calc(6 * (10^50)) returns 600000000000000050000000000000000000000000000000000
//echo -a $calc(7 * (10^50)) returns 700000000000000090000000000000000000000000000000000
//echo -a $calc(8 * (10^50)) returns 800000000000000060000000000000000000000000000000000
//echo -a $calc(9 * (10^50)) returns 900000000000000030000000000000000000000000000000000
//echo -a $calc(10 * (10^50)) returns 999999999999999990000000000000000000000000000000000

I use mIRC v6.21 Khaled Mardam-Bey and Windows 98 second Edition.