Step 1: Enter the expression you want to evaluate. The Math Calculator will evaluate your problem down to a final solution. You can also add, subtraction, multiply, and divide and …

x^{2}-x-6=0 -x+3\gt 2x+1 ; line\:(1,\:2),\:(3,\:1) f(x)=x^3 ; prove\:\tan^2(x)-\sin^2(x)=\tan^2(x)\sin^2(x) \frac{d}{dx}(\frac{3x+9}{2-x}) (\sin^2(\theta))' \sin(120)

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web2.0calc.com online calculator provides basic and advanced mathematical functions useful for school or college. You can operate the calculator directly from your keyboard, as well as using …

You can do the logarithm with base e on both sides, and use the property \log_a a^x=x, then: \ln 1/5 = 10^{-4}/x x=\frac{10^{-4}}{\ln\frac{1}{5}}