Exclude words from your search Put - in front of a word you want to leave out. For example, jaguar speed -car
Search for an exact match Put a word or phrase inside quotes. For example, "tallest building".
Search for wildcards or unknown words Put a * in your word or phrase where you want to leave a placeholder. For example, "largest * in the world".
Search within a range of numbers Put .. between two numbers. For example, camera $50..$100.
Combine searches Put "OR" between each search query. For example, marathon OR race.
Five problem sets (HW, PS/RS) are assigned, which you must complete individually, not in a group. HW1–2 ("homework") are assigned to both courses. PS1–3 ("programming") are assigned only to the undergraduate course 6.813. RS1–3 ("research") are assigned only to the graduate course 6.831. These five assignments will constitute 30% of your grade.