Matemáticas
Porcentajes, fracciones, geometría y estadística.
Calculators (36)
Calculadora de Interés Compuesto
Simule el crecimiento de inversiones con interés compuesto, depósitos recurrentes y ajuste por inflación.
Calculadora de Porcentajes
Calcule aumentos porcentuales, descuentos, proporciones y cambios porcentuales de manera directa.
Calculadora de Fracciones
Sume, reste, multiplique y divida fracciones comunes, impropias y números mixtos.
Ecuaciones de Segundo Grado
Resuelva ecuaciones cuadráticas ax² + bx + c = 0 hallando discriminante y raíces reales o complejas.
Calculadora Científica
Ejecute funciones trigonométricas, logarítmicas, exponenciales y factoriales con alta precisión.
Calculadora Estadística
Calcule media, mediana, moda, varianza, desviación estándar y percentiles de conjuntos de datos.
Calculadora de Probabilidad
Calcule permutaciones nPr, combinaciones nCr, probabilidad binomial y eventos independientes.
Calculadora de Promedio Académico (GPA)
Calcule su promedio de calificaciones ponderado y no ponderado en escalas estándar de 4.0 y porcentuales.
Calculadora de Proporciones y Ratios
Resuelva razones proporcionales A:B = C:D, simplifique cocientes y escale dimensiones.
Calculadora de Matrices
Opere matrices: suma, producto, determinante, matriz inversa y transpuesta para dimensiones 2x2 y 3x3.
Calculadora de Triángulos
Resuelva triángulos con ley de senos, ley de cosenos y Pitágoras, hallando lados, ángulos y área.
Law of Sines Calculator
Solve oblique triangles with the Sine Rule across AAS, ASA, and the SSA ambiguous case.
Greatest Common Factor Calculator
Find the Greatest Common Factor (GCF / GCD) and Least Common Multiple (LCM) with step-by-step Euclidean division and prime trees.
Exponent Calculator
Calculate powers, negative exponents, fractional roots, and complex numbers with step-by-step exponent laws.
Coefficient of Variation Calculator
Calculate the Coefficient of Variation (CV / RSD) to compare relative dispersion and risk across different scales.
A/B Test Significance Calculator
Evaluate whether conversion differences between control and variant are statistically significant using two-proportion z-tests.
Binomial Distribution Calculator
Compute exact PMF and cumulative CDF binomial probabilities, distribution moments, and discrete histogram projections.
Calculadora de CAGR
Calcule la Tasa de Crecimiento Anual Compuesto (CAGR), ganancias acumuladas y plazos de duplicación.
Calculadora de Valor Futuro
Calcule el valor futuro del capital inicial y aportaciones periódicas con interés compuesto.
Calculadora de Crecimiento Poblacional
Modela la expansión exponencial malthusiana y el crecimiento logístico de Verhulst con capacidad de carga.
Calculadora del Área de un Círculo
Calcula el área circular, diámetro, circunferencia, radio y geometría de sectores.
Calculadora Binaria y Conversor de Base
Realiza operaciones aritméticas binarias, octales, decimales y hexadecimales con complemento a dos.
Calculadora de la Fórmula de Distancia
Calcula distancias euclidianas 2D y 3D, radicales, punto medio y métrica Manhattan.
Calculadora de Factorización Prima
Descompón números compuestos en factores primos, divisores, función totiente y sumas alícuotas.
Calculadora de la Ley de Cosenos
Resuelve triángulos oblicuos SAS y SSS, ángulos, perímetro y área mediante la fórmula de Herón.
Calculadora del Mínimo Común Múltiplo (MCM)
Calcula el mínimo común múltiplo y máximo común divisor entre múltiples enteros.
Calculadora de Logaritmos
Evalúa logaritmos naturales (ln), comunes (log10), binarios (log2) y de base personalizada.
Calculadora de Porcentaje de Error
Determina la discrepancia experimental, error relativo y diferencia porcentual respecto al valor estándar.
Calculadora de Pendiente
Calcula la pendiente lineal, ángulo de inclinación, porcentaje de grado y ecuaciones de rectas perpendiculares.
Generador de Diagrama de Caja
Genera resúmenes de cinco números de Tukey y detecta valores atípicos estadísticos.
Calculadora de Chi-Cuadrado
Evalúa la independencia de tablas de contingencia, bondad de ajuste, valores p y tamaño de efecto V de Cramér.
Calculadora de Intervalo de Confianza
Calcula intervalos de confianza para medias continuas y proporciones con margen de error.
Calculadora del Coeficiente de Correlación de Pearson
Evalúa la correlación lineal bivariada (r), R-cuadrado, significancia t y línea de tendencia MCO.
Calculadora de Rango Intercuartílico (IQR)
Determina la dispersión no paramétrica, cuartiles Q1/Q3 y límites de valores atípicos de Tukey.
Calculadora de Tamaño de Muestra
Determina el tamaño de muestra requerido, margen de error y corrección por población finita.
Calculadora de Puntaje Z
Convierte puntajes brutos en puntajes z estándar, percentiles normales y escalas psicométricas.
Guías (32)
Percentage Calculations in Practice: Relative Change, Deltas & Reversals
Master the 5 percentage formulas, mental math hacks, sales tax back-outs, percentage changes, and asymmetric loss recovery.
Fraction Arithmetic: Common Denominators, Mixed Numbers & Simplification
Euclidean algorithm GCD reduction, least common denominator (LCD) methods, mixed number conversions, and fraction division.
Trigonometric & Transcendental Functions: Radian vs. Degree Computing
Master circular trigonometry in degrees and radians, natural and common logarithms, exponential powers, and permutations vs combinations.
Descriptive Statistics: Mean, Median, Variance & Standard Deviation
Arithmetic mean, median, modes, sample vs population standard deviation with Bessel correction, 5-number summaries, and Tukey outlier detection.
Combinatorics and Odds: Permutations, Combinations & Probability Trees
Kolmogorov probability axioms, union and intersection laws for independent events, binomial distributions, and permutations vs combinations.
Calculating High School & College GPA: Credit Hours, Honors & Weighting
Master standard 4.0 quality points, weighted Honors (+0.5) and AP/IB (+1.0) scaling, cumulative transcript blending, and Latin honors classifications.
Ratio & Proportion Math: Scaling Dimensions, Aspect Ratios & Part-to-Part
Euclidean ratio reduction, proportion cross-multiplication equations (A:B = C:D), display aspect ratio resizing, and square-cube scaling laws.
Solving Quadratic Equations: The Quadratic Formula, Discriminant & Vertex
Master the quadratic formula, real and complex discriminant analysis (Δ), parabola vertex (h, k), axis of symmetry, and conic focus/directrix geometry.
Matrix Operations & Linear Algebra: Determinants, Inverses & Transformations
Multiplication dot products, Laplace cofactor determinant expansions, adjugate inversion formulas, matrix transpositions, and Frobenius norms.
Solving Any Triangle: The Laws of Sines, Cosines & Heron's Area
Master SSS, SAS, and ASA triangle solving with the Law of Sines/Cosines, Pythagorean theorem, Heron area formula, and incircle/circumcircle radii.
Analytic Trigonometry of Oblique Triangles: Law of Sines, Ambiguous SSA Cases & Circumradii
Solving AAS, ASA, and ambiguous SSA configurations, circumcircle proofs, and spherical astronomy extensions.
Number Theoretic Foundations of Common Divisors: Euclidean Algorithm & Coprimality
Euclidean division algorithm, prime factorization, Bézout identity, and RSA public-key applications.
Exponential Arithmetic: Power Laws, Fractional Radicals, Negative Indices & Complex Powers
Comprehensive treatment of integer exponents, negative powers, indeterminate forms (0^0), and complex roots.
Relative Statistical Dispersion: The Coefficient of Variation, Risk Ratios & Sample Bias
Normalizing standard deviation across disparate scales, Sokal-Rohlf bias correction, and Sharpe ratio comparisons.
Frequentist Hypothesis Testing in Digital Experimentation: Two-Proportion Z-Scores
Z-test formulations, p-value calculations, statistical power, Type I/II errors, and sample size sizing.
Bernoulli Trials & Discrete Probability: Binomial Distributions, Factorials & Poisson Limits
Derivation of PMF, cumulative distribution functions, log-gamma stable calculations, and normal approximations.
Euclidean Circular Geometry: Archimedean Approximations, Sectors & Segments
Historical quadrature, thin-ring calculus derivations, circular sectors, and engineering tolerance standards.
Digital Logic & Binary Mathematics: Positional Radices, Two's Complement & Bitwise Algebra
Foundations of digital representation, signed two's complement arithmetic, bit shifting, and IEEE 754 floating-point standards.
Cartesian Metrics: Euclidean Distance, Minkowski Norms & Spatial Coordinates
Geometric derivation from Pythagoras, multidimensional vector norms, Manhattan urban grid metrics, and Great-Circle spherical paths.
The Fundamental Theorem of Arithmetic: Prime Factorization, Pollard's Rho & Cryptography
Canonical prime decompositions, divisor functions, aliquot abundance, and computational complexity underlying RSA encryption.
The Law of Cosines: Vector Derivations, Oblique Trigonometry & SSS Triangulation
Dot product proofs, generalizing Pythagoras to obtuse angles, Heron's area formula, and unambiguous triangle solving.
The Least Common Multiple: Number Theory, Multi-Integer Algorithms & Fraction Arithmetic
The duality of LCM and GCD, min/max lattice theory, least common denominators, and mechanical gear resonance.
The Foundations of Logarithms: Napierian Inverses, Change-of-Base & Information Entropy
Napierian history, natural logarithms in continuous calculus, decibels, Richter magnitude, and Shannon information entropy.
Metrology & Error Analysis: Percent Error, Instrumental Uncertainty & Propagation
Systematic calibration vs random noise, error propagation in quadrature, and significant figure tolerances in laboratory assays.
Linear Rate of Change: Cartesian Slopes, Orthogonality & Derivative Foundations
Connecting algebraic rise-over-run to calculus limits, negative reciprocal orthogonality, and civil engineering grade standards.
Exploratory Data Analysis: Tukey Boxplots, Five-Number Summaries & Outlier Fences
Tukey non-parametric order statistics, quartile interpolation conventions, the 1.5 IQR fence rationale, and distribution skewness.
Categorical Data Analysis: Pearson's Chi-Square, Contingency Tables & Residual Modeling
Sum of squared normal variates, contingency independence vs goodness of fit, Cochran's criteria, and Cramér's V effect size.
Inferential Parameter Estimation: Confidence Intervals, Margin of Error & Student's t
Frequentist coverage definitions, Central Limit Theorem square-root scaling, Gosset's t-distribution, and Wilson score intervals.
Bivariate Linear Association: Pearson's r, Anscombe's Quartet & Spurious Correlation
Covariance normalization, Anscombe's quartet visualization imperative, causation fallacies, and OLS regression slopes.
Robust Statistics: The Interquartile Range, Non-Parametric Dispersion & Outlier Fences
Parametric vs non-parametric dispersion, 25% breakdown points, economic net worth modeling, and quartile deviation coefficients.
Survey Metrology: Sample Size Determination, Finite Population Corrections & Power
The economics of sample sizing, the 50% conservative variance ceiling, diminishing returns in polling, and finite population corrections.
The Standard Normal Distribution: Z-Scores, Gaussian Integration & Percentile Scaling
Standardization mechanics, the empirical 68-95-99.7 rule, psychometric T/IQ score translations, and Altman Z-score financial distress.
Todas las calculadoras de Matemáticas
Calculadora de Interés Compuesto
Simule el crecimiento de inversiones con interés compuesto, depósitos recurrentes y ajuste por inflación.
Calculadora de Porcentajes
Calcule aumentos porcentuales, descuentos, proporciones y cambios porcentuales de manera directa.
Calculadora de Fracciones
Sume, reste, multiplique y divida fracciones comunes, impropias y números mixtos.
Ecuaciones de Segundo Grado
Resuelva ecuaciones cuadráticas ax² + bx + c = 0 hallando discriminante y raíces reales o complejas.
Calculadora Científica
Ejecute funciones trigonométricas, logarítmicas, exponenciales y factoriales con alta precisión.
Calculadora Estadística
Calcule media, mediana, moda, varianza, desviación estándar y percentiles de conjuntos de datos.
Calculadora de Probabilidad
Calcule permutaciones nPr, combinaciones nCr, probabilidad binomial y eventos independientes.
Calculadora de Promedio Académico (GPA)
Calcule su promedio de calificaciones ponderado y no ponderado en escalas estándar de 4.0 y porcentuales.
Calculadora de Proporciones y Ratios
Resuelva razones proporcionales A:B = C:D, simplifique cocientes y escale dimensiones.
Calculadora de Matrices
Opere matrices: suma, producto, determinante, matriz inversa y transpuesta para dimensiones 2x2 y 3x3.
Calculadora de Triángulos
Resuelva triángulos con ley de senos, ley de cosenos y Pitágoras, hallando lados, ángulos y área.
Law of Sines Calculator
Solve oblique triangles with the Sine Rule across AAS, ASA, and the SSA ambiguous case.
Greatest Common Factor Calculator
Find the Greatest Common Factor (GCF / GCD) and Least Common Multiple (LCM) with step-by-step Euclidean division and prime trees.
Exponent Calculator
Calculate powers, negative exponents, fractional roots, and complex numbers with step-by-step exponent laws.
Coefficient of Variation Calculator
Calculate the Coefficient of Variation (CV / RSD) to compare relative dispersion and risk across different scales.
A/B Test Significance Calculator
Evaluate whether conversion differences between control and variant are statistically significant using two-proportion z-tests.
Binomial Distribution Calculator
Compute exact PMF and cumulative CDF binomial probabilities, distribution moments, and discrete histogram projections.
Calculadora de CAGR
Calcule la Tasa de Crecimiento Anual Compuesto (CAGR), ganancias acumuladas y plazos de duplicación.
Calculadora de Valor Futuro
Calcule el valor futuro del capital inicial y aportaciones periódicas con interés compuesto.
Calculadora de Crecimiento Poblacional
Modela la expansión exponencial malthusiana y el crecimiento logístico de Verhulst con capacidad de carga.
Calculadora del Área de un Círculo
Calcula el área circular, diámetro, circunferencia, radio y geometría de sectores.
Calculadora Binaria y Conversor de Base
Realiza operaciones aritméticas binarias, octales, decimales y hexadecimales con complemento a dos.
Calculadora de la Fórmula de Distancia
Calcula distancias euclidianas 2D y 3D, radicales, punto medio y métrica Manhattan.
Calculadora de Factorización Prima
Descompón números compuestos en factores primos, divisores, función totiente y sumas alícuotas.
Calculadora de la Ley de Cosenos
Resuelve triángulos oblicuos SAS y SSS, ángulos, perímetro y área mediante la fórmula de Herón.
Calculadora del Mínimo Común Múltiplo (MCM)
Calcula el mínimo común múltiplo y máximo común divisor entre múltiples enteros.
Calculadora de Logaritmos
Evalúa logaritmos naturales (ln), comunes (log10), binarios (log2) y de base personalizada.
Calculadora de Porcentaje de Error
Determina la discrepancia experimental, error relativo y diferencia porcentual respecto al valor estándar.
Calculadora de Pendiente
Calcula la pendiente lineal, ángulo de inclinación, porcentaje de grado y ecuaciones de rectas perpendiculares.
Generador de Diagrama de Caja
Genera resúmenes de cinco números de Tukey y detecta valores atípicos estadísticos.
Calculadora de Chi-Cuadrado
Evalúa la independencia de tablas de contingencia, bondad de ajuste, valores p y tamaño de efecto V de Cramér.
Calculadora de Intervalo de Confianza
Calcula intervalos de confianza para medias continuas y proporciones con margen de error.
Calculadora del Coeficiente de Correlación de Pearson
Evalúa la correlación lineal bivariada (r), R-cuadrado, significancia t y línea de tendencia MCO.
Calculadora de Rango Intercuartílico (IQR)
Determina la dispersión no paramétrica, cuartiles Q1/Q3 y límites de valores atípicos de Tukey.
Calculadora de Tamaño de Muestra
Determina el tamaño de muestra requerido, margen de error y corrección por población finita.
Calculadora de Puntaje Z
Convierte puntajes brutos en puntajes z estándar, percentiles normales y escalas psicométricas.
Authoritative Guides for Matemáticas
Percentage Calculations in Practice: Relative Change, Deltas & Reversals
Master the 5 percentage formulas, mental math hacks, sales tax back-outs, percentage changes, and asymmetric loss recovery.
Fraction Arithmetic: Common Denominators, Mixed Numbers & Simplification
Euclidean algorithm GCD reduction, least common denominator (LCD) methods, mixed number conversions, and fraction division.
Trigonometric & Transcendental Functions: Radian vs. Degree Computing
Master circular trigonometry in degrees and radians, natural and common logarithms, exponential powers, and permutations vs combinations.
Descriptive Statistics: Mean, Median, Variance & Standard Deviation
Arithmetic mean, median, modes, sample vs population standard deviation with Bessel correction, 5-number summaries, and Tukey outlier detection.
Combinatorics and Odds: Permutations, Combinations & Probability Trees
Kolmogorov probability axioms, union and intersection laws for independent events, binomial distributions, and permutations vs combinations.
Calculating High School & College GPA: Credit Hours, Honors & Weighting
Master standard 4.0 quality points, weighted Honors (+0.5) and AP/IB (+1.0) scaling, cumulative transcript blending, and Latin honors classifications.
Ratio & Proportion Math: Scaling Dimensions, Aspect Ratios & Part-to-Part
Euclidean ratio reduction, proportion cross-multiplication equations (A:B = C:D), display aspect ratio resizing, and square-cube scaling laws.
Solving Quadratic Equations: The Quadratic Formula, Discriminant & Vertex
Master the quadratic formula, real and complex discriminant analysis (Δ), parabola vertex (h, k), axis of symmetry, and conic focus/directrix geometry.
Matrix Operations & Linear Algebra: Determinants, Inverses & Transformations
Multiplication dot products, Laplace cofactor determinant expansions, adjugate inversion formulas, matrix transpositions, and Frobenius norms.
Solving Any Triangle: The Laws of Sines, Cosines & Heron's Area
Master SSS, SAS, and ASA triangle solving with the Law of Sines/Cosines, Pythagorean theorem, Heron area formula, and incircle/circumcircle radii.
Analytic Trigonometry of Oblique Triangles: Law of Sines, Ambiguous SSA Cases & Circumradii
Solving AAS, ASA, and ambiguous SSA configurations, circumcircle proofs, and spherical astronomy extensions.
Number Theoretic Foundations of Common Divisors: Euclidean Algorithm & Coprimality
Euclidean division algorithm, prime factorization, Bézout identity, and RSA public-key applications.
Exponential Arithmetic: Power Laws, Fractional Radicals, Negative Indices & Complex Powers
Comprehensive treatment of integer exponents, negative powers, indeterminate forms (0^0), and complex roots.
Relative Statistical Dispersion: The Coefficient of Variation, Risk Ratios & Sample Bias
Normalizing standard deviation across disparate scales, Sokal-Rohlf bias correction, and Sharpe ratio comparisons.
Frequentist Hypothesis Testing in Digital Experimentation: Two-Proportion Z-Scores
Z-test formulations, p-value calculations, statistical power, Type I/II errors, and sample size sizing.
Bernoulli Trials & Discrete Probability: Binomial Distributions, Factorials & Poisson Limits
Derivation of PMF, cumulative distribution functions, log-gamma stable calculations, and normal approximations.
Euclidean Circular Geometry: Archimedean Approximations, Sectors & Segments
Historical quadrature, thin-ring calculus derivations, circular sectors, and engineering tolerance standards.
Digital Logic & Binary Mathematics: Positional Radices, Two's Complement & Bitwise Algebra
Foundations of digital representation, signed two's complement arithmetic, bit shifting, and IEEE 754 floating-point standards.
Cartesian Metrics: Euclidean Distance, Minkowski Norms & Spatial Coordinates
Geometric derivation from Pythagoras, multidimensional vector norms, Manhattan urban grid metrics, and Great-Circle spherical paths.
The Fundamental Theorem of Arithmetic: Prime Factorization, Pollard's Rho & Cryptography
Canonical prime decompositions, divisor functions, aliquot abundance, and computational complexity underlying RSA encryption.
The Law of Cosines: Vector Derivations, Oblique Trigonometry & SSS Triangulation
Dot product proofs, generalizing Pythagoras to obtuse angles, Heron's area formula, and unambiguous triangle solving.
The Least Common Multiple: Number Theory, Multi-Integer Algorithms & Fraction Arithmetic
The duality of LCM and GCD, min/max lattice theory, least common denominators, and mechanical gear resonance.
The Foundations of Logarithms: Napierian Inverses, Change-of-Base & Information Entropy
Napierian history, natural logarithms in continuous calculus, decibels, Richter magnitude, and Shannon information entropy.
Metrology & Error Analysis: Percent Error, Instrumental Uncertainty & Propagation
Systematic calibration vs random noise, error propagation in quadrature, and significant figure tolerances in laboratory assays.
Linear Rate of Change: Cartesian Slopes, Orthogonality & Derivative Foundations
Connecting algebraic rise-over-run to calculus limits, negative reciprocal orthogonality, and civil engineering grade standards.
Exploratory Data Analysis: Tukey Boxplots, Five-Number Summaries & Outlier Fences
Tukey non-parametric order statistics, quartile interpolation conventions, the 1.5 IQR fence rationale, and distribution skewness.
Categorical Data Analysis: Pearson's Chi-Square, Contingency Tables & Residual Modeling
Sum of squared normal variates, contingency independence vs goodness of fit, Cochran's criteria, and Cramér's V effect size.
Inferential Parameter Estimation: Confidence Intervals, Margin of Error & Student's t
Frequentist coverage definitions, Central Limit Theorem square-root scaling, Gosset's t-distribution, and Wilson score intervals.
Bivariate Linear Association: Pearson's r, Anscombe's Quartet & Spurious Correlation
Covariance normalization, Anscombe's quartet visualization imperative, causation fallacies, and OLS regression slopes.
Robust Statistics: The Interquartile Range, Non-Parametric Dispersion & Outlier Fences
Parametric vs non-parametric dispersion, 25% breakdown points, economic net worth modeling, and quartile deviation coefficients.
Survey Metrology: Sample Size Determination, Finite Population Corrections & Power
The economics of sample sizing, the 50% conservative variance ceiling, diminishing returns in polling, and finite population corrections.
The Standard Normal Distribution: Z-Scores, Gaussian Integration & Percentile Scaling
Standardization mechanics, the empirical 68-95-99.7 rule, psychometric T/IQ score translations, and Altman Z-score financial distress.
Editorial Articles for Matemáticas
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