程序始于基本数学过程的随机组合——加、减、乘、除和一些代数运算。
The program started with near-random combinations of basic mathematical processes - addition, subtraction, multiplication, division and a few algebraic operators.
为这些任务而设计的程序领域的最常用名称是“计算机代数系统”(Computer Algebraic Systems, CAS)。
The most common designation for the field of programs designed for these tasks is computer algebraic systems (CAS).
在高中代数学里,你学习了标准二次方程序。
In high-school algebra, you learned that the standard quadratic equation.
Now, unlike high school math or in algebra Z where you call things X and Y and Z, in programming, in computer science, you're actually dealing with humans where it's useful to have a variable name that's more descriptive than X and Y and Z.
不像高中数学或者代数中,称为X和Y和,在程序设计和计算机科学里,你实际上是在和人打交道,在这里有个描述性比xyz更强的,变量名称是很重要的。
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