### Pre-Calculus Calculators: (20) lessons

 [+] AntilogCalculates the antilog of a number using a base.Features: Calculator | Quiz Generator | Practice Problem GeneratorExamples (50): antilog 1, antilog 2, antilog 3, antilog 4, antilog 5, antilog 6, antilog 7, antilog 8, antilog 9, antilog 10, antilog 11, antilog 12, antilog 13, antilog 14, antilog 15, antilog 16, antilog 17, antilog 18, antilog 19, antilog 20, antilog 21, antilog 22, antilog 23, antilog 24, antilog 25, antilog 26, antilog 27, antilog 28, antilog 29, antilog 30, antilog 31, antilog 32, antilog 33, antilog 34, antilog 35, antilog 36, antilog 37, antilog 38, antilog 39, antilog 40, antilog 41, antilog 42, antilog 43, antilog 44, antilog 45, antilog 46, antilog 47, antilog 48, antilog 49, antilog 50 [+] Base Conversion OperationsThis calculator allows you to add, subtract, multiply, and divide two numbers with different bases.Features: Calculator | Practice Problem Generator | Watch the VideoExamples (8): 20 base 6 + 50 base 4, 30 base 4 * 20 base 2, 35 base 6 - 42 base 8, 22 base 6 / 44 base 3, 2_6+50_4, 30_4*20_2, 35_6 - 42_8, 22_6/44_3Tags: addition, base, division, multiplication, subtraction [+] Circle EquationThis calculates the standard equation of a circle and general equation of a circle from the following given items: * A center (h,k) and a radius r * A diameter A(a1,a2) and B(b1,b2) This also allows you to enter a standard or general form equation so that the center (h,k) and radius r can be determined.Features: Calculator | Practice Problem Generator | Watch the VideoExamples (4): (1,1)(2,4), (1,4) and (5,6), (h,k) = (2,- 4) and r = 5, (x - 2)^2 + (y + 5)^2 = 81Tags: center, circle, diameter, equation, midpoint, radius [+] ConjugatesSimplifies a fraction with conjugates in the denominatorFeatures: Calculator | Practice Problem Generator | Watch the VideoExamples (3): 3/2+sqrt(6), 5/(7-sqrt(3)), 5/sqrt(3)Tags: conjugate, simplify [+] Demoivres TheoremUsing Demoivres Theorem, this calculator performs the following: 1) Evaluates (acis(θ))n 2) Converts a + bi into Polar form 3) Converts Polar form to Rectangular (Standard) FormFeatures: CalculatorExamples (2): 2cis60^3, 4-7iTags: imaginary, polar [+] DivisibilityShows the divisibility of a number by seeing if it is divisible by (2,3,4,5,6,7,8,9,10,11)Features: Calculator | Practice Problem GeneratorExamples (1): Divisibility of 120 [+] EllipsesGiven an ellipse equation, this calculates the x and y intercept, the foci points, and the length of the major and minor axes as well as the eccentricity.Features: Calculator | Practice Problem Generator | Watch the VideoExamples (1): 9x^2+4y^2=36Tags: eccentricity, ellipse, focus [+] FactorialsCalculates the following factorial items: * A factorial of one number such as n! * A factorial of a numerator divided by a factorial of a denominator such as n!m!/a!b! * Double Factorials such as n!! * Stirlings Approximation for n!Features: Calculator | Quiz Generator | Practice Problem Generator | Watch the VideoExamples (36): 1!, 1!!, 1 factorial, FACT(1), 2!, 2!!, 2 factorial, FACT(2), 3!, 3!!, 3 factorial, FACT(4), 1!, 4!!, 4 factorial, FACT(4), 5!, 5!!, 5 factorial, FACT(5), 6!, 6!!, 6 factorial, FACT(6), 7!, 7!!, 7 factorial, FACT(7), 8!, 8!!, 8 factorial, FACT(8), 9!, 9!!, 9 factorial, FACT(9)Tags: double factorial, factorial, stirling [+] FunctionTakes various functions (exponential, logarithmic, signum (sign), polynomial, linear with constant of proportionality, constant, absolute value), and classifies them, builds ordered pairs, and finds the y-intercept and x-intercept and domain and range if they exist.Features: Calculator | Practice Problem GeneratorExamples (2): y=5, f(x)=3^xTags: domain, function, ordered pair, range [+] Function TestChecks to see if a set of ordered pairs represents a functionFeatures: Calculator | Practice Problem Generator | Watch the VideoExamples (1): {(2,6),(-3,6),(4,9),(2,10)}Tags: domain, function, ordered pair, rang [+] HyperbolaGiven a hyperbola equation, this calculates: * Equation of the asymptotes * Intercepts * Foci (focus) points * Eccentricity ε * Latus Rectum * semi-latus rectumFeatures: Calculator | Practice Problem Generator | Watch the VideoExamples (2): x^2/81 - y^2/36 = 1, y^2/100 - x^2/49 = 1Tags: asymptote, foci, intercept [+] Input TableGiven an input table with input and output values, this will determine the operator and rule used to populate the missing values.Features: Calculator | Practice Problem Generator [+] Irrational Numbers BetweenThis calculator determines all irrational numbers between two numbersFeatures: Calculator | Practice Problem GeneratorExamples (1): irrational numbers between 7 and 9Tags: irrational, natural, rational, whole [+] LogarithmsUsing the formula Log ab = e, this calculates the 3 pieces of a logarithm equation:1) Base (b)2) Exponent3) Log Result In addition, it converts * Expand logarithmic expressionsFeatures: Calculator | Quiz GeneratorExamples (8): log 1000, log(85), log of 200, logarithm of 500, 5^3=125, log4(8), log2(8x^4/5), log2(8x^4)Tags: base, exponent, logarithm [+] Logarithms and Natural Logarithms and Eulers Constant (e)This calculator does the following: * Takes the Natural Log base e of a number x Ln(x) → logex * Raises e to a power of y, ey * Performs the change of base rule on logb(x) * Solves equations in the form bcx = d where b, c, and d are constants and x is any variable a-z * Solves equations in the form cedx=b where b, c, and d are constants, e is Eulers Constant = 2.71828182846, and x is any variable a-z * Exponential form to logarithmic form for expressions such as 53 = 125 to logarithmic form * Logarithmic form to exponential form for expressions such as Log5125 = 3Features: Calculator | Quiz Generator | Practice Problem GeneratorExamples (9): e^5, e^13.24, Ln 50, LN(80), natural log 45, 3^5x=27, 4e^6x=100, e^2q=48, Ln(4x) = 5Tags: euler, logarithm, natural log, power [+] ParabolasDetermines the focus, directrix, and other related items for a parabola.Features: Calculator | Quiz Generator | Watch the VideoExamples (3): y^2 = -12x, x^2 = 24y, (y - 2)^2 = 12(x - 5)Tags: directrix, focus, parabola [+] Permutations and CombinationsCalculates the following:Number of permutation(s) of n items arranged in r ways = nPrNumber of combination(s) of n items arranged in r unique ways = nCr including subsets of setsFeatures: Calculator | Quiz Generator | Practice Problem Generator | Watch the VideoExamples (9): 10 permutations of 6, 5 combinations of 3, 9 combination 4, 8 combination 2, 6 permutation 2, 10 permutations of 5, 6P3, 7c4, how many subsets of at least 3 elements can be formed from a set of 4 elementsTags: combination, factorial, permutation [+] PIThis calculator performs operations with PI and gives you other options for π related calculations.Features: Calculator | Practice Problem GeneratorExamples (1): 16piTags: number, rational [+] Polar ConicsGiven eccentricity (e), directrix (d), and angle θ, this determines the vertical and horizontal directrix polar equations.Features: Calculator | Practice Problem Generator [+] Rational,Irrational,Natural,Integer PropertyThis calculator takes a number, decimal, or square root, and checks to see if it has any of the following properties: * Integer Numbers * Natural Numbers * Rational Numbers * Irrational NumbersFeatures: Calculator | Practice Problem GeneratorExamples (4): is 34 natural, is 85.6 rational, prove 99.7 is rational, is 45 an integerTags: irrational, natural, rational, whole