Best Calc highlightsLarge display with lots of graphic indicatorsPrecedence mode - to reduce entering parenthesis (e. g. 2+2-2=6)Operations and conversions can be performed in binary, octal, decimal, and hexadecimal formCalculate basic arithmetic functionsCalculate the root, square root or cube root of a numberRaise to power functionsLogarithmic and exponent functionsCalculate sine, cosine, tangent, arc sine, arc cosine or arc tangentCalculate in degrees, radians or grads, mil, revDisplays results in normal, scientific, or fix modeMemory operations Call last result functionOperations with big and small numbers are supported (up to ten in 308th power or ten in minus 308th power)and much more to explore!
最佳钙highlightsLarge模式显示indicatorsPrecedence与大量的图形-减少输入括号（如2 +2-2 = 6）业务和十进制的转换，可进行二进制，八进制，和十六进制formCalculate基本算术functionsCalculate根，平方根或多维数据集的numberRaise根电源functionsLogarithmic和指数functionsCalculate正弦，余弦，正切，圆弧正弦，余弦弧或弧tangentCalculate度数，弧度或梯度，密尔，revDisplays结果正常，科学化，或修复modeMemory行动电话与大，小号码的最后结果functionOperations支持（最多10个在零下308电源或功率10 308）以及更多探索！
The cold state modelling test and theoretical analysis for arc tangent tertiary air determined the arc tangent degree of tertiary air.
对三次风反切进行冷态模化试验和理论分析，确定了三次风反切角度。
The ratio of the change in the angle of a tangent that moves over a given arc to the length of the arc.
在这个国家的某些地区一种不愿容忍变革的态度似乎是改变不了的。
Is the angle between the tangent line of at point and -axis, and is the angle between the tangent line of at point and -axis. The arc length from to is. Then the average curvature of is, and the curvature of the curve at is.
设曲线上点对应弧，在点处切线的倾角为，曲线上另外一点对应弧，在点处切线的倾角为，则弧段的平均曲率为，而曲线在点处的曲率为。
Mathematics: Understands and applies basic and advanced properties of the concepts of geometry; Use the Pythagorean theorem and its converse and properties of special right triangles to solve mathematical and real-world problems; Understands the basic concepts of right triangle trigonometry (e. g., basic trigonometric ratios such as sine, cosine, and tangent Uses trigonometric ratio methods to solve mathematical and real-world problems (e. g., determination of the angle of depression between two markers on a contour map with different elevations Uses properties of and relationships among figures to solve mathematical and real-world problems e. g., uses the property that the sum of the angles in a quadrilateral is equal to 360 degrees to square up the frame for a building; uses understanding of arc, chord, tangents, and properties of circles to determine the radius given a circular edge of a circle without the center
数学：理解和应用几何概念的初级和高级特性；用毕德哥拉斯定理、逆定理以及特殊直角三角形性质解决数学的和现实世界的问题；理解基本的直角三角形三角比；运用三角比方法解决数学的或现实的问题。（等高线图上的两个标记之间的俯角确定）运用形体之间的关系及其属性解决数学的或现实的问题（利用四边形内角和等于360度来为建筑物框架取正，运用弧，弦，切线和圆的性质确定缺少中心的一段圆弧的圆心
By means of uniting geometry with algebra, the arc length, tangent line, cotangent space and curvature of curve in four dimensional space are investigated, and the corresponding calculation formula in each cases are given.
用形数结合的观点研究了四维空间中曲线的弧长、切线、法空间和曲率问题，并给出了其计算公式。
By using improved variational method, the internal energy per plaquette and the specific heat curves of the Tangent action in SU (2) lattice gauge theory arc worked out.
利用改进变分法求出了正切作用量的四维SU（2）格点规范理论的元格内能和比热曲线。
In order to determine the finishing allowance of double - circular-arc gears, the author recommends a procedure for measuring the base tangent length before finishing-cut and derives the relation between the finishing allowance and the base tangent length.
为确定双圆弧齿轮粗切后的精切余量，安排了精切前公法线长度测量工序，并推导了精切余量与公法线长度的关系式。
This paper proposes an arc-tangent function with modifying factor to model the SRM based on the characteristic of flux linkage.
本文提出了校正函数的一阶、二阶和三阶逼近多项式，并对近似式的逼近精度进行了分析和比较。
Thesis analyzes superposition average algorithm of tradition and pointed out the limitations of the algorithm, the problems about that the residual interference noise and the incubation period of disturbance, proposes a superposition averaging algorithm based on the arc tangent function of the IIR filter.
论文分析传统叠加平均算法并指出该算法的局限，对残留干扰噪声及潜伏期的扰动问题，提出一种基于反正切函数的IIR滤波器叠加平均算法。
The results show that the model has good fitting precision. It is more reasonable than traditional modified arc tangent function or hyperbolic function model for the saturation characteristic of transformer.
结果表明，与已有的修正反正切函数或双曲函数模型相比，该模型不仅具有较高的精度，而且对变压器饱和特性的模拟也更为合理。
Circular interpolation of time-sharing algorithm is that circular arc is approached with tangent or chord line.
时间分割法圆弧插补用切线或弦线来逼近圆弧。
To apply the control technology of three-dimensional double-target-point arc internal tangent hitting-targets to drill tow-target variable-orientation azimuth multi-target well, has provided successful drilling experience for developing remaining oil in fault block oil reservoir and different oil reservoir.
采用三维双靶点圆弧内切线中靶控制技术，打双靶变方位多目标井，为今后开发断块油藏和不同油层间的剩余油提供了成功的钻井经验。
This algorithm adopts bi-arc segment approximating mode, it's bi-arc segment is tangent each other, first derivative continuous, step length transformable, numerical control interpolation error controllable.
这种算法采用双圆弧段逼近方式，其双圆弧段彼此相切，一阶导数连续，并且步长可伸缩，其数控插补误差可进行控制。
The locus of space tangent point and the arc segment of deck at side are obtained based on the above conditions.
在此基础上，求出首圆弧空间切点线和甲板边线的修正段。
On Relation between Length of Tangent and That of Arc
切线段与弧的长度关系
Because the arc tangent reduced look-up table (LUT) bulk, the optimization algorithm greatly saved the hardware resources.
该优化算法根据反正切函数本身的对称性，能够极大地减少反正切运算耗费的硬件资源。
Arc tangent of two variables -- pass in two values like, and you'll get the atah, adjusted to the proper quadrant.
两个变数的反正切--传两个像是的值，你会得到atah，调整到适当的象限。
Returns the arc tangent of x in radians.
返回 x 的正切值。
Compared with modified arc tangent function model, it is more reasonable for predicting the slope of the characteristic of the core at deep saturation.
相对于修正反正切函数模型，能更为合理地预测铁芯深度饱和后的特性。