代数

jī hū quán bān de dài shù dōu bù jí gé

几乎全班的代数都不及格。

Nearly the whole class fizzled in algebra.

dài shù yǔ shù zhí dài shù shì jì suàn shù xué yán jiū de liǎng gè zhòng yào fāng miàn

代数与数值代数是计算数学研究的两个重要方面。

Algebra and numerical algebra are two important parts of computational mathematics.