For some of these numbers it is very useful to be able to memorise them. If they are just two or three digits this is not usually too difficult, but a telephone number may be as many as twelve or more. Here are some mnemonic devices for remembering pi, and for telephone numbers. Mnemonics for the number Pi There once was a fellow from Greece,
Saratov Bridge. Saratov Bridge across the Volga River in Saratov, Russia was the longest bridge in the Soviet Union upon its inauguration in 1965. Its length is 2,803.7 meters and it connects Saratov on the right (west) bank of the Volga, with the city of Engels on the left (east) bank.
Transsibirskaya Magistral; [trÉnsÊ²sÊ²ÉªËbÊ²irskÉjÉ mÉgÊ²ÉªËstralÊ²]) is a network of railways connecting Moscow with the Russian Far East and the Sea of Japan. With a length of 9,289 km (5,772 mi), it is the longest railway line in the world. There are connecting branch lines into Mongolia, China and North Korea. It has connected Moscow with Vladivostok since 1916, and is still being expanded.