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Graphical solutions
An equation of the form y1(x) = y2(x) can be solved graphically by ploting both y1(x) and y2(x). The solutions are the points where the two graphs intersect. By zooming in to the intersection, the solutions can be determined with reasonable accuracy.
The mathematical functions that can be used are list below. Multiplication must be specified with a '*' symbol, 3*cos(x) not 3cos(x). Powers are specified with the 'pow' function: x² is pow(x,2) not x^2.
- abs(x) - absolute value
- acos(x) - inverse cosine
- acosh(x) - inverse hyperbolic cosine
- asin(x) - inverse sine
- asinh(x) - inverse hyperbolic sine
- atan(x) - inverse tangent
- atanh(x) - inverse hyperbolic tangent
- cos(x) - cosine
- exp(x) - ex
- H(x) - Heaviside Function
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- pi = 3.141592653589793
- log(x) - natural logarithm
- pow(x,y) - compute xy
- round(x) - round to the nearest integer
- sin(x) - sine
- sinh(x) - hyperbolic sine
- sqrt(x) - square root
- tan(x) - tangent
- tanh(x) - hyperbolic tangent
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