There are many notations for differential equations in mathematics. Some of them are
strict, but the others leads to ambiguity.
This equation may be equal to the following, in which x is an argument of y:
But the equation may be also equal to the next equation, in which x is a parameter:
Uniquation supports both form, but it's better to use the last one to avoid the ambiguity.
As it is seem on example above to turn a function into a derivative it is enough to place
' between the function and the argument. If a derivative of function has argument all the
others includes of the function into formula must be with argument too, for example
formulas 'y''(t) + y(t) = 0' and 'y'' + y = 0' are correct, but 'y''(t) + y = 0' isn't.
Enter the following formula in TeX to check yourself:
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