The [i]GeoGebra Scientific Calculator[/i] also contains a list of predefined functions, operators and commands. [br]You may use them by selecting the [img width=36,height=27]https://lh6.googleusercontent.com/RBLVguYd2nyOjJAGByc43D_pN2mJ2uSnRWlosgO1nqnrCiP1aCzi_Dyha1snicFr-7scIHpthYi3LCuMDMMRg-hLvWf3Ey0dN_9ck4uPMPNcKy1gHUspjmX04S3jy0gant9PxQwD[/img] keyboard and typing in the operator or function you want to use for your calculations. [br][br]Try it yourself and type in some of the given examples.[br]

[table][tr][td][b]Input[/b][/td][td][b]Description[/b][/td][td][b]Input Example[/b][/td][/tr][tr][td]e[/td][td]Euler's number[/td][td]e = 2.7182818...[/td][/tr][tr][td]pi[/td][td]Pi[/td][td]pi = 3.141592...[/td][/tr][tr][td]i[/td][td]Imaginary unit[/td][td](1+i)*(2-i) = 3+i[/td][/tr][tr][td]real()[/td][td]Real part of a complex number[/td][td]real(3-4i) = 3[/td][/tr][tr][td]imaginary()[/td][td]Imaginary part of a complex number[/td][td]imaginary(3-4i) = -4[/td][/tr][tr][td]conjugate()[/td][td]Conjugate a complex number[/td][td]conjugate(3-4i) = 3+4i[/td][/tr][tr][td]arg()[/td][td]Argument of a complex number[/td][td]arg(1+i) = 45°[/td][/tr][tr][td]floor()[/td][td]Greatest integer less than or equal[/td][td]floor(18.65) = 18[/td][/tr][tr][td]ceil()[/td][td]Least integer greater than or equal[/td][td]ceil(3.29) = 4[/td][/tr][/table][table][tr][td]rad [/td][td]Radians (angle unit)[/td][td] sin(2rad) = 0.909297... [/td][/tr][tr][td]deg[br]°[/td][td]Degrees (angle unit)[/td][td] sin(30deg) = 0.5[br] tan(45°) = 1[br][/td][/tr][tr][td]==[br][/td][td]Check if two numbers are equal[/td][td] 7-3==2² = true[/td][/tr][tr][td]!=[/td][td]Check if two numbers are unequal [/td][td] 2*(3+1)!=2*3+1 = true[/td][/tr][/table]

[table][tr][td][b]Input[/b][/td][td][b]Description[/b][/td][td][b]Input Example[/b][/td][/tr][tr][td]sgn()[/td][td]Signum function[/td][td]sgn(-4.25) = -1[/td][/tr][tr][td]ld()[/td][td]Logarithm to the base 2[/td][td]ld(32) = 5[/td][/tr][tr][td]cbrt()[/td][td]Cube root[/td][td]cbrt(8) = 2[/td][/tr][tr][td]sec()[br]cosec()[br]cot()[/td][td]Reciprocal trigonometric functions[/td][td]cosec(30°) = 2[/td][/tr][tr][td]sinh()[br]cosh()[br]tanh()[/td][td]Hyperbolic functions[/td][td]cosh(0) = 1[/td][/tr][tr][td]sech()[br]cosech()[br]coth()[/td][td]Reciprocal hyperbolic functions[br][/td][td]coth(0.5) = 2.1639...[/td][/tr][tr][td]asinh()[br]acosh()[br]atanh()[br][/td][td]Inverse hyperbolic functions[/td][td]asinh(0) = 0[/td][/tr][/table]

For more built-in functions please have a look at our list of [url=https://wiki.geogebra.org/s/en/index.php?title=Predefined_Functions_and_Operators]Predefined Functions and Operators[/url].