Practise your 2 times tables with this quiz. The 5 times table Learn all about the 5 times table and find out about multiples of 5. The 10 times table Discover the 10 times tables and try this quiz.

Multiplication is working out how many groups of something you have altogether. Division is working how many you get, after sharing a number between another number. You can use place value charts to ...

Abstract: In this paper, we propose a low-jitter low-power digital multiplying delay-locked loop (MDLL) with a self-calibrated double reference injection scheme. To reduce jitter, the noisy edge of ...

Chemical Engineering is concerned with the design and operation of processes which convert materials and energy into the higher value products we use every day. It understands the processes which ...