New federal test results show the state’s middle and elementary students still lag far behind in reading and math.

These are the formal rules for forming basic UNIX regular expressions. For some simple examples, skip to Simple Examples. The rules come from the Solaris 7 regexp(5) manual page. The I2A2 reflector ...

In Oregon, it is in math, not reading, where 45% of the state’s eighth grade test-takers scored below “basic” on the National Assessment of Educational Progress tests, compared with 41% nationwide.

It’s surprisingly difficult to prove one of the most basic properties of a number: whether it can be written as a fraction. A broad new method can help settle this ancient question. In June 1978, the ...