This study examined Korean second and third graders' understanding of multidigit addition and subtraction and particularly their ability to explain the trading required when a column sum of the ...

Abstract: In this paper, we present a digital circuit of arithmetic unit implementing addition and subtraction operations in multiple-precision arithmetic (MPA). This adder-subtractor unit is a part ...

Abstract: Inversion over GF(2 m) is crucial for cryptographic applications such as elliptic curve cryptography. The commonly used Itoh-Tsujii algorithm (ITA) computes the inversion by an entirely ...

Most of us don’t need a calendar to tell us when a season is ending. We can feel it in the weight we’re carrying — the ...

Prices in the UK rose by 3.8% in the year to September, matching the rate recorded in July and August. It means inflation remains well above the Bank of England's 2% target. The Bank moves interest ...

Thinking about numbers using frames of 10 can be a helpful way to learn basic number facts. The four games that can be played with this applet help to develop counting and addition skills. (This ...