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  1. What is the difference between equation and formula?

    An equation is meant to be solved, that is, there are some unknowns. A formula is meant to be evaluated, that is, you replace all variables in it with values and get the value of the formula. Your …

  2. 在理工科中,Formula, Equation 和 Function 这三个词有什么异同?

    Dec 31, 2014 · equation:等式,方程式 英英释义: An assertion that two expressions are equal, expressed by writing the two expressions separated by an equal sign; from which one is to determine …

  3. What is the equation for a 3D line? - Mathematics Stack Exchange

    May 28, 2013 · I love your answer for a line equation in the form of z = f (x, y)... Unfortunately calculating square roots can be impractical from the calculational standpoint and hence I really doubt any …

  4. What exactly is an equation? - Mathematics Stack Exchange

    Apr 15, 2018 · the equation to simpler equation (s) and end up with an equation that can be solved by inspection. In all these cases the equality tells you two things are really the same. What you do with …

  5. simple geometry question- equation of cylinder

    Jul 23, 2014 · The equation of an object is a way of telling whether a point is part of an object -- if you substitute the coordinates of the point into the equation and the equation is true, then the point is on …

  6. Equation of a rectangle - Mathematics Stack Exchange

    Oct 2, 2011 · I need to graph a rectangle on the Cartesian coordinate system. Is there an equation for a rectangle? I can't find it anywhere.

  7. Transformations of the circle equation - Mathematics Stack Exchange

    Dec 21, 2023 · I know to translate the circle equation we just need to change the values in the brackets of the general circle equation $ (x-x_1)^2+ (y-y_1)^2=r^2$ , and in order to dilate a circle we need to …

  8. Notation for rounding in equation - Mathematics Stack Exchange

    I'm wondering if there is a symbol or notation for Round to the nearest 10th For example, the area of a circle with a radius of 45 feet, rounded to the nearest square foot, could be written as, A =...

  9. (Fundamental) Solution of the Helmholtz equation

    Apr 15, 2017 · (Fundamental) Solution of the Helmholtz equation Ask Question Asked 8 years, 7 months ago Modified 6 years, 8 months ago

  10. logarithms - Finding the Equation of a Straight Line on a Log-Log Plot ...

    May 30, 2019 · Given two discrete points on a log-log plot and a defined minimum value on both axes, how would you determine the equation of the line that runs through both points?