虽然PDP-15支持各种操作系统，但是此机器的有趣用法与公式计算器 (FOCAL)语言一起使用。
Although the PDP-15 supported a variety of operating systems, one interesting use of this machine is with the formula calculator (FOCAL) language.
本文详细介绍了岩层真厚度计算公式，在袖珍计算器中进行计算程序编排的方法。
This paper introduces in detail the formula for calculating the true thickness of strata and the method for the programming of the calculation by use of the pocket calculator.
运用此公式，再通过栅格计算器即可得到真实的累积时间成本栅格图，基本单位为分钟。
Using this formula, then obtains the real cumulative time cost grid chart again through the grid calculator, Fundamental unit for minute.
公式是一个方程，能够进行计算，就像计算器，Excel可以执行简单的加，减，乘，除运算。
A formulais an equation that performs a calculation. Like a calculator, Excel can execute formulas that add, subtract, multiply, and divide.
现在，这台拥有图标式计算器终于拥有了这一功能。一部集合了公式运算，图标，倾斜领域和欧拉法演算工具的计算器终于诞生了。
Eventually, this application will be a sort of graphing calculator that will include expression evaluation, graphing, and calculus tools like slope fields and Euler's method.
现在，这台拥有图标式计算器终于拥有了这一功能。一部集合了公式运算，图标，倾斜领域和欧拉法演算工具的计算器终于诞生了。
Eventually, this application will be a sort of graphing calculator that will include expression evaluation, graphing, and calculus tools like slope fields and Euler's method.
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