Learning and Calculation All Tools
Units, mathematics, statistics, grades and learning aids.
Learning and Calculation37
Units, mathematics, statistics, grades and learning aids.
scientific calculator
Calculate parentheses, powers, roots, trigonometric functions, and commonly used mathematical expressions.Unit conversion
Convert length, area, volume, mass, temperature and speed.Percentage and proportional calculation
Calculate the proportion, growth rate and allocate values by weight.Geometric area and volume
Calculate the area or volume of rectangles, circles, triangles, cuboids, cylinders and spheres.Data Statistics Calculator
Calculate the mean, median, extreme, population and sample variance and standard deviation.Achievement and grade point calculation
The weighted average score is calculated according to the credits, and the self-fill course performance point or linear rules are supported.Random lottery and grouping
Import the list, randomly extract, group or generate the appearance order.Chinese and English typing speed test
Measure the speed, accuracy rate and record the score using the built-in or custom material.Fractional Calculator
Complete the addition, subtraction, multiplication and division of scores, apportionment and finite decimals conversion.digital hex
Convert positive and negative integers between 2 and 36 hexes.Maximum common divisors and least common multiples
The largest common divisor and minimum common multiple of multiple integers are calculated in batches.Solving the quadratic equation
Solve ax²+bx+c=0, which supports real-numbered roots, complex roots and degraded primary equations.arithmetic arithmetic sequence calculation
Calculate the nth, first n, and various details of the arithmetic or arithmetic sequence.Triangle corner calculation
It is known that the three angles, areas, circumference and inner and outer circle radii of the triangle are found on the three sides.Arrange Combination Calculator
Accurately calculate the number of permutations and combinations selected from n different elements.Integer prime factor decomposition
Decompose positive integers into prime factors to see if it is a prime number and factor product.Binary primary equations solution
Solve the two binary one-time equations, and judge the unique solution, no solution or infinite multi-solution.weighted average calculation
The weighted average is calculated according to the value and weight of each item, and is applicable to the summary of grades and indicators.Matrix Basic Operations
Calculate matrix addition, subtraction, multiplication and transpose, and check whether the dimensions are compatible.Decimal precision rounding
Rounding decimal text according to the specified decimal places, supports rounding, truncation, up and down.Screen PPI and Size Calculation
The pixel density, screen width and dot distance are estimated from the resolution and diagonal dimensions.Roman Numeral Converter
Convert between 1 to 3999 integers and standard Roman numerals.Integer to English Words Converter
Convert positive and negative integers into English numerals and support numbers within one trillion.Arithmetic Worksheet Generator
Generate integer addition, subtraction, multiplication and division exercises and independent answers, which is easy to copy and print.Proportional Dimensions Calculator
Fix the original aspect ratio, and calculate the dimensions of the other side according to the target width or height.Linear Interpolation Calculation
The interpolation of intervals is calculated from two known points to display the slope of the line and the equation.Linear Regression Calculator
A unary linear fit is calculated for paired data, and the scatter, fitted lines and related indicators are displayed.Binomial Distribution Calculator
Calculate the probability that the independent repetition test is just, at least, or at most successfully specified.Normal Distribution Calculator
Calculate the probability of the normal distribution interval and the quantile of the specified cumulative probability, and display the curve.Polynomial Calculator
Calculate polynomial addition, multiplication, derivation and specify point function values.2D and 3D Vector Calculator
Calculate vector and difference, point product, length, angle and three-dimensional fork product.Complex Number Calculator
Add, subtract, multiply or divide two complex numbers, and calculate the result's magnitude and argument.Two's Complement Calculator
Converts the signed decimal integer, two's complement, and hexadecimal in the specified bit width.Boolean Truth Table Generator
Generate all input combinations and results for Boolean expressions, and judge whether it is constant or false.Poisson Distribution Calculator
The probability and cumulative probability of k events that appear when a given average number of events is calculated.Hypergeometric Distribution Calculator
Find the probability of a specified number of successes when sampling without replacement from a finite population.Wilson Proportion Confidence Interval
The Wilson proportional confidence interval is calculated from the number of successes and sample sizes.