1.   Computers are widely used because cost estimating May involve complex mathematical calculations and require advanced mathematical techniques.

2.   Computers can make short work of complex calculations.

3.   Because images can amount to multiple megabytes and modifying them involves complex calculations, these programs are typically the slowest you are likely to use.

4.   Because of its antiquated computer system, complex calculations for these cases have to be done manually, officials said.

5.   But even the apparently simple act of conceding the presidency to the south has entailed complex strategic calculations in a country divided by ethnicity, geography and religion.

6.   But it seems to be the single most overriding issue in his complex calculation about whom to pick as his running mate.

7.   Desktop computers used for office tasks during the day can be pooled to perform more complex calculations at night, for instance.

8.   Everything he does and says seems to be the product of some complex calculation, a piece in some puzzle that only Samaranch can see clearly.

9.   For such complex calculations, people will want to seek the advice of a tax lawyer or estate planner.

10.   Herod of Georgia Tech still marvels at having a computer do complex calculations in five seconds that would take a mathematician with a pencil an hour.