十进法 meaning in English

algorism
decimal notation
decimal numeration
denary scale

Whole thing quite painless out of all the taxes give every child born five quid at compound interest up to twentyone , five per cent is a hundred shillings and five tiresome pounds , multiply by twenty decimal system , encourage people to put by money save hundred and ten and a bit twentyone years want to work it out on paper come to a tidy sum , more than you think
从各种税收中，按复利借给每一个出生的娃娃五镑。按五分利计算，到了二十一岁就积累成一百零五先令了。英镑挺麻烦的，得用十进法乘二十。