The calculator will find zeros (exact and numerical, real and complex) of the linear, quadratic, cubic, quartic, polynomial, rational, irrational, exponential, logarithmic, trigonometric, hyperbolic, and absolute value function on the given interval.
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- In general, you can skip the multiplication sign, so `5x` is equivalent to `5*x`.
- In general, you can skip parentheses, but be very careful: e^3x is `e^3x`, and e^(3x) is `e^(3x)`.
- Also, be careful when you write fractions: 1/x^2 ln(x) is `1/x^2 ln(x)`, and 1/(x^2 ln(x)) is `1/(x^2 ln(x))`.
- If you skip parentheses or a multiplication sign, type at least a whitespace, i.e. write sin x (or even better sin(x)) instead of sinx.
- Sometimes I see expressions like tan^2xsec^3x: this will be parsed as `tan^(2*3)(x sec(x))`. To get `tan^2(x)sec^3(x)`, use parentheses: tan^2(x)sec^3(x).
- Similarly, tanxsec^3x will be parsed as `tan(xsec^3(x))`. To get `tan(x)sec^3(x)`, use parentheses: tan(x)sec^3(x).
- From the table below, you can notice that sech is not supported, but you can still enter it using the identity `sech(x)=1/cosh(x)`.
- If you get an error, double-check your expression, add parentheses and multiplication signs where needed, and consult the table below.
- All suggestions and improvements are welcome. Please leave them in comments.
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| Type | Get |
| Constants | |
| e | e |
| pi | `pi` |
| i | i (imaginary unit) |
| Operations | |
| a+b | a+b |
| a-b | a-b |
| a*b | `a*b` |
| a^b, a**b | `a^b` |
| sqrt(x), x^(1/2) | `sqrt(x)` |
| cbrt(x), x^(1/3) | `root(3)(x)` |
| root(x,n), x^(1/n) | `root(n)(x)` |
| x^(a/b) | `x^(a/b)` |
| x^a^b | `x^(a^b)` |
| abs(x) | `|x|` |
| Functions | |
| e^x | `e^x` |
| ln(x), log(x) | ln(x) |
| ln(x)/ln(a) | `log_a(x)` |
| Trigonometric Functions | |
| sin(x) | sin(x) |
| cos(x) | cos(x) |
| tan(x) | tan(x), tg(x) |
| cot(x) | cot(x), ctg(x) |
| sec(x) | sec(x) |
| csc(x) | csc(x), cosec(x) |
| Inverse Trigonometric Functions | |
| asin(x), arcsin(x), sin^-1(x) | asin(x) |
| acos(x), arccos(x), cos^-1(x) | acos(x) |
| atan(x), arctan(x), tan^-1(x) | atan(x) |
| acot(x), arccot(x), cot^-1(x) | acot(x) |
| asec(x), arcsec(x), sec^-1(x) | asec(x) |
| acsc(x), arccsc(x), csc^-1(x) | acsc(x) |
| Hyperbolic Functions | |
| sinh(x) | sinh(x) |
| cosh(x) | cosh(x) |
| tanh(x) | tanh(x) |
| coth(x) | coth(x) |
| 1/cosh(x) | sech(x) |
| 1/sinh(x) | csch(x) |
| Inverse Hyperbolic Functions | |
| asinh(x), arcsinh(x), sinh^-1(x) | asinh(x) |
| acosh(x), arccosh(x), cosh^-1(x) | acosh(x) |
| atanh(x), arctanh(x), tanh^-1(x) | atanh(x) |
| acoth(x), arccoth(x), cot^-1(x) | acoth(x) |
| acosh(1/x) | asech(x) |
| asinh(1/x) | acsch(x) |
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How To Find Density
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