I'm able to solve this equation on paper quite easily. However, when I try to implement this in PHP, I'm not sure where to start. I've done several Google queries and searches on here and nothing seems to help. I'm missing the proper approach to deal with this problem.

You're wanting to solve an equation, not implement it. There's a difference. Implementing the equation would be as simple as typing it in. You'd probably want to make it an equality operator (==) though.


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Personally, I find it extremely convenient to use the Casio 991 MS scientific calculator. I know how to set variables, solve equations, and do a lot. I want such a tool preferably usable from within an ipython shell. I am surprised not to have found any. I'm not impressed enough by sage; perhaps I am missing something.

A free web-service for solving large-scale systems of nonlinear equations (1 million+) is APMonitor.com. There is a browser interface and an API to Python / MATLAB. The API to Python is a single script (apm.py) that is available for download from the apmonitor.com homepage. Once the script is loaded into a Python code, it gives the ability to solve problems of:

The SymPy symbolic math library in Python can do pretty much any kind of math, solving equations, simplifying, factoring, substituting values for variables, pretty printing, converting to LaTeX format, etc. etc. It seems to be a pretty robust solver in my very limited use so far. I recommend trying it out.

I don't think there is a unified way of dealing with both linear and quadratic (or generally nonlinear) equations simultaneously. With linear systems, python has bindings to linear algebra and matrix packages. Nonlinear problems tend to be solved on a case by case basis.

If you want to avoid using a graphical interface, but you still want to do computer algebra, then sympy or maxima may cover your needs. (sympy looks very promising, but it still have a long way to go before they can replace mathematica).

Y = solve(eqns,vars) solves the system of equations eqns for the variables vars and returns a structure that contains the solutions. If you do not specify vars, solve uses symvar to find the variables to solve for. In this case, the number of variables that symvar finds is equal to the number of equations eqns.

[y1,...,yN] = solve(eqns,vars) solves the system of equations eqns for the variables vars. The solutions are assigned to the variables y1,...,yN. If you do not specify the variables, solve uses symvar to find the variables to solve for. In this case, the number of variables that symvar finds is equal to the number of output arguments N.

When solving for more than one variable, the order in which you specify the variables defines the order in which the solver returns the solutions. Assign the solutions to variables solv and solu by specifying the variables explicitly. The solver returns an array of solutions for each variable.

By default, solve does not apply simplifications that are not valid for all values of x. In this case, the solver does not assume that x is a positive real number, so it does not apply the logarithmic identity log(3x)=log(3)+log(x). As a result, solve cannot solve the equation symbolically.

solve applies simplifications that allow the solver to find a solution. The mathematical rules applied when performing simplifications are not always valid in general. In this example, the solver applies logarithmic identities with the assumption that x is a positive real number. Therefore, the solutions found in this mode should be verified.

Try to get an explicit solution for such equations by calling the solver with 'MaxDegree'. The option specifies the maximum degree of polynomials for which the solver tries to return explicit solutions. The default value is 2. Increasing this value, you can get explicit solutions for higher order polynomials.

Equation to solve, specified as a symbolic expression or symbolic equation. The relation operator == defines symbolic equations. If eqn is a symbolic expression (without the right side), the solver assumes that the right side is 0, and solves the equation eqn == 0.

Maximum degree of polynomial equations for which solver uses explicit formulas, specified as a positive integer smaller than 5. The solver does not use explicit formulas that involve radicals when solving polynomial equations of a degree larger than the specified value.

Solutions of a system of equations, returned as a structure. The number of fields in the structure correspond to the number of independent variables in a system. If 'ReturnConditions' is set to true, the solve function returns two additional fields that contain the parameters in the solution, and the conditions under which the solution is true.

Solutions of a system of equations, returned as symbolic variables. The number of output variables or symbolic arrays must be equal to the number of independent variables in a system. If you explicitly specify independent variables vars, then the solver uses the same order to return the solutions. If you do not specify vars, the toolbox sorts independent variables alphabetically, and then assigns the solutions for these variables to the output variables.

If solve cannot find a solution and ReturnConditions is false, the solve function internally calls the numeric solver vpasolve that tries to find a numeric solution. For polynomial equations and systems without symbolic parameters, the numeric solver returns all solutions. For nonpolynomial equations and systems without symbolic parameters, the numeric solver returns only one solution (if a solution exists).

The output variables y1,...,yN do not specify the variables for which solve solves equations or systems. If y1,...,yN are the variables that appear in eqns, then there is no guarantee that solve(eqns) will assign the solutions to y1,...,yN using the correct order. Thus, when you run [b,a] = solve(eqns), you might get the solutions for a assigned to b and vice versa.

You could use Wolfram-Alpha online (does an excellent job) or use Microsoft Mathematics (simply amazing). The best thing about Microsoft Mathematics is that, for many problems, it shows you the steps it took to solve the equation. They used to charge for Microsoft Mathematics, but it looks like it is free now.

Solve math problems using order of operations like PEMDAS, BEDMAS, BODMAS, GEMDAS and MDAS. (PEMDAS Caution) This calculator solves math equations that add, subtract, multiply and divide positive and negative numbers and exponential numbers. You can also include parentheses and numbers with exponents or roots in your equations.

You can try to copy equations from other printed sources and paste them here and, if they use  for division and  for multiplication, this equation calculator will try to convert them to / and * respectively but in some cases you may need to retype copied and pasted symbols or even full equations.

If you want an entry such as 1/2 to be treated as a fraction then enter it as (1/2). For example, in the equation 4 divided by  you must enter it as 4/(1/2). Then the division 1/2 = 0.5 is performed first and 4/0.5 = 8 is performed last. If you incorrectly enter it as 4/1/2 then it is solved 4/1 = 4 first then 4/2 = 2 last. 2 is a wrong answer. 8 was the correct answer.

PEMDAS is an acronym that may help you remember order of operations for solving math equations. PEMDAS is typcially expanded into the phrase, "Please Excuse My Dear Aunt Sally." The first letter of each word in the phrase creates the PEMDAS acronym. Solve math problems with the standard mathematical order of operations, working left to right:

Multiplication, division, addition and subtraction are left-associative. This means that when you are solving multiplication and division expressions you proceed from the left side of your equation to the right. Similarly, when you are solving addition and subtraction expressions you proceed from left to right.

You can solve multiplication and division during the same step in the math problem: after solving for parentheses, exponents and radicals and before adding and subtracting. Proceed from left to right for multiplication and division. Solve addition and subtraction last after parentheses, exponents, roots and multiplying/dividing. Again, proceed from left to right for adding and subtracting.

I need a software that will enable me to solve any equation (that is imputable into the ti84 calculator). For example, if I wanted to solve x+5=0 solve for X, I'd just plug that equation into some field and have it spit out x=-5.

I think the TI-84 does have functions to do that for simpler equations, but once you get into using polynomials and whatnot, the calculator can't handle that. So is there some sort of all-in-one equation solver software for the TI-84 PLUS CE PYTHON EDITION?

This worked out well! Prior to starting, I gave my students a very brief intro to integers, particularly that opposite integers have a value of zero. Then I introduced the class to the monsters. It was love at first sight! After modeling and some guided instruction, the class worked on a handout. Today, I sat my entire class in the hall and had them pass the equations. It took some time to get into the rhythm, but it worked out great. I love that it provided the students time to discuss the equations and their solutions, particularly if a student arrived at an incorrect answer. Thanks!

Solve any equation with this free calculator! Just enter your equation carefully, like shown in the examples below, and then click the blue arrow to get the result! You can solve as many equations as you like completely free. If you need detailed step-by-step answers you'll have to sign up for Mathway's premium service (provided by a third party).

Only numbers and recognized symbols can be used in Math objects. If non-recognized symbols, lines, and notations are used in the Math object, Nebo will attempt to interpret and incorporate them into the equation. This may cause the page to become slow or unstable. 2351a5e196

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