What is Graphing: Definition and 495 Discussions

A graphing calculator (also graphics calculator or graphic display calculator) is a handheld computer that is capable of plotting graphs, solving simultaneous equations, and performing other tasks with variables. Most popular graphing calculators are also programmable and therefore considered to be programmable calculators, allowing the user to create customized programs, typically for scientific, engineering and education applications. Because they have large displays in comparison to standard four-operation handheld calculators, graphing calculators also typically display several lines of text and calculations at the same time.

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  1. M

    Help with decision making in buying a graphing calculator

    Hi For higher mathematics i need the highest featured calculator and since graphing calculators are generally expensive (at least for me) so that's why I'm investing some time in researching Online b4 I buy so that i can shell money only once to buy a graphing calculator which is so powerful in...
  2. rocomath

    Graphing polar curves: limacon and 2 oddballs

    I'm trying to find patterns for polar curves. I just reviewed and feel comfortable with taking advantage of symmetry, but I still have trouble with some type of curves. Limacons: Two types 1) inner loop 2) no inner loop Is there a general formula that tells me whether there will be an...
  3. D

    Program for graphing Riemann zeta function

    Hello I plan on applying to the university of waterloo next year and due to the fact that many of my marks are not that great (failed gr 10 math) I decided to start a site to showcase my ability in math and programing. For those of you who are interested I wrote a program to graph regions of...
  4. S

    Graphing expressions without given values?

    This isn't really a homework problem. I'm studdying for the AP Physics C: mechanics test by working on practice free response problems that my teacher gave me. My question pertains to a problem in the 1993 set of questions. Let's say, for example, a car moves to the right with a constant...
  5. E

    Graphing a Heaviside unit function

    [SOLVED] Graphing a Heaviside unit function Homework Statement find solution of the following differential eq and graph it: y'' + 4y = \delta(t-2\pi) y(0)=0 y'(0)=0 Homework Equations \delta is the Dirac delta function u_{c} is the Heaviside unit step functionThe Attempt at a Solution I...
  6. R

    Is there such software, that I can use the PC for graphing?

    Like, there are somethings that take too long to graph on ti-89, especially with accuracy. I would like to know how to use my PC to graph. Thank you.
  7. L

    Struggling to Graph with Respect to y? Tips and Tricks for TI-84 Users

    Homework Statement I'm having difficulty graphing with respect to y (unless I graph it point by point). For example, I find it hard to graph: f(y)= \frac{y}{\sqrt{16-y^2}} Does anyone know of an easy method to graph such a function or know how to do it on a Ti 84+ SE? Also, it would...
  8. S

    Which kind of graphing calculator should I buy?

    I'm having a bit of a problem with choosing a calculator, I am taking algebra 2 and Honors Chem and plan to take calculus AP Chem and Physics next year. The teachers have stopped supplying the TI-83s and I need to know what to invest in. My dad has insited I go with the HP 50g as he is an...
  9. S

    Which kind of graphing calculator should I buy?

    I'm having a bit of a problem with choosing a calculator, I am taking algebra 2 and Honors Chem and plan to take calculus AP Chem and Physics next year. The teachers have stopped supplying the TI-83s and I need to know what to invest in. My dad has insited I go with the HP 50g as he is an...
  10. G

    Should linear regression always be forced through the origin?

    Wasn't sure which section this should be in, so please move if inappropriate. If a plot between two variables theoretically should pass through the origin, should you force the linear regression through the origin. I seem to get a much better value for my gradient when forced through the origin...
  11. R

    Mathematica Graphing cylinders in Mathematica

    Below is some code that creates a semi-transparent cylinder. firstcylinder = ParametricPlot3D[{Cos[t], u, Sin[t]}, {t, 0, 2 Pi}, {u, -2, 2} , PlotStyle -> {Red, Opacity -> .3}, Mesh -> None]; Show[firstcylinder] Draw a second cylinder that is perpendicular to the given cylinder. Draw a...
  12. M

    How Do You Plot the Curve of a Hyperbola with a Non-Zero Center?

    Hi, I am graphing a hyperbola and have completed everything, except I am not to sure how to draw the final curve in. I have the center, foci, vertices, and axis'. I cannot seem to find any information on actually plotting the curve in. Am I supposed to freehand it in from the vertice and follow...
  13. S

    Finding Units of k in t = k√(h)/d² Equation | Log-Log Graphing Question

    Question asked to find the units of k after you find the porpotionality statement i ended up getting t\propto\frac{\sqrt{h}}{d^2} so i turned that into an equation and end up with t=k\frac{\sqrt{h}}{d^2} solved for and found it on average to be 30 now the question is asking what the...
  14. A

    Graphing a function on a given interval ?

    Graphing a function on a given interval...?? My problem is: Use a graphing calculator to graph the function...? ...over the given interval f(x)= -x^4+3x^3-4x+3 (-2,3). How do you graph something on a specific interval? P.S. I have the Casio fx-9750G PLUS graphing calculator.
  15. B

    Graphing To Find Linear Mass Density (Waves)

    Homework Statement This is for a lab involving a rope being tied to a frequency generator on one end and a mass string on the other (creating tension on the rope) in order to create standing waves. I have to find the u (linear mass density which is kg/m for a rope by plotting it. This is...
  16. S

    Calculators Best Graphing Calculators for Pre-Calculus & SAT/ACT

    I just started taking pre-calculus the other week, and I've now realized how useful a graphing calculator is for that class. What graphing calculators are the best? I'm looking for ones that are allowed on the SAT's and ACT's.
  17. L

    Understanding the Thin Lens Equation: How to Graph and Interpret Results

    I need to learn how to graph do=1/(f -1/di) like i have my measurements and when i plug in my di i get a do so what do i do with my old do?
  18. J

    MATLAB Matlab - graphing multivariable functions

    I am taking a vector calculus course and am having trouble figuring out how to graph things in Matlab to verify my answers. Here is exactly what I want to do: I want to graph side by side two different graphs simultaneously, so I can compare them. I will give you the equations of the two...
  19. P

    Graphing Algorithmic Functions: A Step-by-Step Guide for Beginners

    Can anybody explain the process to use when graphing algorithmic functions? Sorry if this is a stupid question to ask, but I have a textbook that doesn't explain the process completely. I'm trying to nail these concepts down, but I guess I'm pretty much hopeless when it comes to math. I...
  20. J

    Graphing a quantitatively accurate v vs. t

    Homework Statement While Cruising along a dark stretch of highway with the cruise control set at 25 m/s, you see, at the fringes of your headlights, that a bridge has been washed out. You apply the brakes and come to a stop in 4.0s. Assume the clock starts the instant you hit the brakes...
  21. C

    C/C++ Graphing Curves in C++ w/ Dev C++

    I want to graph curves in C++. I can program them in, find the x,y,z coordinates, but I don't know how to graph them. I am using Dev C++. How would I go about graphing them? Is there some predefined graphics library that I can use or is it more complicated than that?
  22. S

    How to Calculate Destination Coordinates in a Trig Graphing Program?

    I'm writing a program in VB but since math isn't my strongest suit I'm having a little trouble figuring out the equation for this: I have a grid 100 x 100. The user will input the direction in deg and the distance to travel. I need to get the destination grid x and Y. 0 Deg is facing up...
  23. B

    Calculators Graphing Calculator: - TI84 vs Casio CFX9850GC+

    I'm about to buy a graphing calculator, and I don't know whether to get the Texas Instruments TI-84 (Silver Edition), or the Casio CFX9850GC+ (which has the added frivolity of a colour screen). I can't get the TI-89, because it has algebra software built in, and so I'm not allowed to use it...
  24. rocomath

    General question, inequalities and graphing

    x+|x|=y+|y| so for x which in a sense will be the same for y x if x > 0 -x if x < 0 now does that only apply to my absolute x? or does it apply to both x and |x|?
  25. D

    Graphing complex functions(the image)

    I'm really unsure how to go about graphing a complex function. Like, f(z) = z^2, where z = x+iy. This ISN'T a homework problem, but I'm studying for an exam and that's an example in a book I'm reading and it says "the image of this function" and goes on explaining some things relevant to...
  26. B

    Finding Acceleration Using a Table: Small Graphing Question | Homework Help

    Homework Statement I have a question for a graph where I'm basically trying to find the acceleration using a table which has a time squared value starting at 7.132 seconds squared and ending at 9.686 seconds squared. I need to find a regression (I need to find the slope for the line of best...
  27. D

    Need Help with Graphing Calculator Project

    Can anyone give me an idea of a picture I can create on a graphing calculator using 10 graphs (at least 3 different types). Types of graphs can be sine, cosine, tangenet, cotangent,secant, cosecant, line, parabola, cubic, radical, quadratic Radical, absolute value and rational. I think I...
  28. P

    Graphing y=-e^x: What Am I Looking At?

    ok i was graphing y=-e^x e=2.1783 and i got this up and down line growing from negative to positve, i have no clue what the hell I am looking at, I've attached what i got tell if I am right or wrong, point in the right direction if you could
  29. X

    Simple Graphing rational expressions question

    How do you find the point where the graph crosses the oblique asymptote?
  30. M

    I have trouble with Graphing rational functions, me,test is tomorrow

    I have trouble with Graphing rational functions, please help me,test is tomorrow I do not know how to use horizontal , vertical , oblique asymptotes to graph a rathional functions. like y=2x+3+3/x+1; y=x^2-4/x-4 thank you very much
  31. S

    MATLAB Help with MATLAB Graphing Error Bars for 1D Arrays

    Im trying to plot a graph with eror bars for two 1d arrays. But for some reason MATLAB won't let me do it. Can you please help me as quickly as possible as I am currectly sitting in a computer lab and am very tired. My code is: W = 10:10:60; V1 = [0.103,0.223,0.351,0.436,0.555,0.664]; e...
  32. H

    Graphing the 1st Derivative on excel?

    I have a titration curve (pH vs NaOH added) and i want to determine the endpoint of this graph i want to use excel to make a graph of it's derivative (dy/dx) but i don't know how? does anyone know how? is there an option i can choose when making the graph?
  33. K

    Graphing x(t): Simple Stretch & Translation

    For the Graph... x(t)=1+2cos(pi/3(t+1)) First i just draw a graph of cos and than... It is just a simple stretch of 1 in the y-direction and a translation of 1 to the left ... correct?
  34. S

    How can completing the square help with graphing transformations?

    1. Graph the function f(x)=x^2+4x+3 by starting with the graph of y=x^2 and using transformations. 2. 3. I know the graph opens up, but I don't understand transformations or how to solve them, any help would be greatly appreciated.
  35. H

    Graphing the Motion of a Truck at a Traffic Light

    Homework Statement At t= 0s a truck is stopped at a traffic light. When the light turns green, the truck starts to speed up, and gains speed at a constant rate until it reaches a speed of 20m/s 8 seconds after the light turns green. The truck continues at a constant speed for 60m . Then...
  36. K

    How Do You Graph Velocity for Different Speeds and Time Intervals?

    need urgent help on graphing velocity graphs Homework Statement (a) You walk 71.4 m at a speed of 1.22 m/s and then run 71.4 m at a speed of 3.05 m/s along a straight track. (b) You walk for 1.16 min at a speed of 1.22 m/s and then run for 1.16 min at 3.05 m/s along a straight track...
  37. L

    H> Graphing out Word problems ( Word eq. included)

    Mary left home at noon running at 7m/s towards school. Her brother John left 35 seconds later running at 8m/s. How much time passed and how far were they from the house when John caught up to Mary. Can u please state your formula and how to graph it out. I used the x-y graph but when i get to...
  38. V

    Radian and Degree with Graphing Calculator

    Hello everyone, I use a TI-83 Plus and I'd like to know if there is a quick way to convert an angle from radian to degree and vice versa. I am not referring to multiplying by (pi/180) or (180/pi). Thanks!
  39. Y

    Linearizing Data: Velocity vs Time vs Distance-Time Squared

    Homework Statement Why did we choose to linearize our data by plotting velocity versus time rather than by distance versus time-squared. Use d-v-a-t (distance=velocity*time+0.5*acceleartion*time-squared) equations to present a convincing answer. Homework Equations 1. d=vt+1/2at^2 2...
  40. B

    How Can I Make a Rubber Ball Bounce in an Excel Simulation?

    Homework Statement My goal is to create a graph in excel that moves as I hold the F9 key(and progressing the time). The concept is of a 'rubber ball' bouncing after it is dropped from an initial height. The variables that must be left in separate cells (to easily change) are kinetic energy...
  41. R

    Graphing a rotational spring's constant

    Hi Im trying to find the elastic potential energy stored in a mousetrap spring. I plan on doing this by graphing the spring's constant then integrating the function. I just wanted to know what i should be measuring with the x-axis. In normal springs the force is on the y-axis and the...
  42. C

    Good Biology graphing programs?

    I really don't like Excel for graphing for several reasons. The main issue is that it only has uniform uncertainties for all data points and you cannot put different uncertainties for different data points. I also just don't feel the graph looks good quality at all. People I have asked...
  43. P

    Graphing a Trajectory with Variable Gravity

    Homework Statement I would like to graph the position, velocity, and acceleration curves (over time) of an object that is launched straight up from the surface of the Earth, but I need to take into account the fact that the Earth's gravitational pull weakens as the object gets higher. The...
  44. B

    C/C++ How Can I Adjust My C++ Sine Wave Code to Simulate Projectile Motion?

    hey. i want to graph a projectile motion. i got the code of a sine wave but the x and y axis' are in the opposite sides. i want the curve to look like a projectile with the curve facing down. thanx. here's my code #include <iostream.h> #include <iomanip.h> #include <math.h> #include...
  45. K

    Graphing ideal/real springs

    Does anyone have any idea why applied force is plotted on the vertical axis of the graph even though it is an independant variable?
  46. B

    Comp Sci Having Problem Graphing a projectile motion into C++

    Hey. i am having a problem graphing a projectile motion into C++. At the moment I am using the program Microsoft Visual C++ at uni. i got a problem here that i can't even start to solve. Well the problem asks me to to ask the user to enter the intial velocity and the angle at which the...
  47. J

    Graphing Natural Numbers to Integers

    Hi, just can't get my head around how to draw these three graphs. Any help appreciated. Thanks In each case below, draw the graph of a function f that satisfies the given property. Give an example of a function f : N -> Z that is bijective/that is injective but not surjective/that is...
  48. K

    Graphing Euler Relationship as exponential spiral

    Hi everyone, I am trying to get an intuitive grasp of the Euler Relationship e^i(theta)=cos(theta)+i sin(theta) and also understand how to graph the exponential spiral, as demonstrated on this web page: http://www-math.mit.edu/daimp/ComplexExponential.html" Ok, first the neuron...
  49. B

    Mathematica How can I graph systems of differential equations with Mathematica?

    Hi all, Right now I am doing some Diff equations homework but am having difficulty with a problem. The problem asks me to draw a direction field for the system x' = \left(\begin{array}{cc}1 & 1\\4 & 1\end{array}\right)\left(\begin{array}{cc}x_1\\x_2\end{array}\right) The proper...
  50. K

    Transformations of Functions- graphing y=f(x)-4?

    How would you graph y=f(x)-4? I am not sure how the original graph looks like y=f(x) either. Also, if i were to graph this using a graphing calculator, how would that be done?
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