Math & Numbers Calculators

Percentage is evaluated from Percentage, Base Number and Part / Result. The calculation reports X% of Y, Part is what% of Base and Original Before Percent.

Area is evaluated from Shape, Length / Base / Radius / Side and Width / Height / Semi-minor. The calculation reports Area, Formula Used and Perimeter.

Binary to Decimal Converter is evaluated from Number to Convert and Convert From. The calculation reports Decimal, Binary and Hexadecimal.

Matrix is evaluated from Operation, Matrix A - Row 1, Col 1 and Matrix A - Row 1, Col 2. The calculation reports Result [1,1], Result [1,2] and Result [2,1].

Mean, Median & Mode is evaluated from Data Values. The calculation reports Mean, Median and Mode.

Quadratic Equation Solver is evaluated from a, b and c. The calculation reports Discriminant, Root x₁ and Root x₂.

Complex Number is evaluated from First Number - Real Part, First Number - Imaginary Part and Second Number - Real Part. The calculation reports Sum Real Part, Sum Imaginary Part and Difference Real Part.

Sin Cos Tan is evaluated from Angle and Angle Unit. The calculation reports sin, cos and tan.

Determinant is evaluated from Matrix Size, Row 1, Col 1 and Row 1, Col 2. The calculation reports Determinant |A|, Trace tr and Singular?.

Hex to Decimal Converter is evaluated from Value to Convert and Input Base. The calculation reports Hexadecimal, Decimal and Binary.

Inverse Trig is evaluated from Function and Input Value. The calculation reports Angle, Angle and Angle.

Linear Equation Solver is evaluated from a, b and c. The calculation reports Solution x, Solution Type and Verification.

Percentage Change is evaluated from Original Value and New Value. The calculation reports Percentage Change, Absolute Change and Direction.

Perimeter is evaluated from Shape, Length / Side / Radius and Width / Side 2. The calculation reports Perimeter / Circumference and Area.

Complex Number Polar Converter is evaluated from Real Part - from Rectangular Form and Imaginary Part - from a + bi. The calculation reports Modulus r = |z|, Argument θ and Argument θ.

Standard Deviation is evaluated from Data Values and Calculation Type. The calculation reports Mean, Variance and Standard Deviation.

Degrees to Radians is evaluated from Angle Value, Input Unit and Radius. The calculation reports Degrees, Radians and Gradians.

Octal to Decimal Converter is evaluated from Value to Convert and Input Base. The calculation reports Octal, Decimal and Binary.

Percentage Difference is evaluated from Value A and Value B. The calculation reports Percentage Difference, Absolute Difference and Average of A and B.

System of Linear Equations Solver (2 x 2) is evaluated from a₁, b₁ and c₁. The calculation reports x, y and Determinant.

Variance is evaluated from Data Values and Variance Type. The calculation reports Mean, Variance and Standard Deviation.

Volume is evaluated from Shape, Length / Side / Radius and Width / Radius. The calculation reports Volume, Volume in Gallons and Volume in Liters.

Matrix Inverse is evaluated from Matrix A[1,1], Matrix A[1,2] and Matrix A[2,1]. The calculation reports Determinant, A⁻¹[1,1] and A⁻¹[1,2].

Modulus and Argument is evaluated from Real Part and Imaginary Part. The calculation reports |z| Modulus, |z|^2 = a^2 + b^2 and arg in Radians.

Base Converter is evaluated from Number to Convert, From Base and To Base. The calculation reports Result, Decimal Intermediate and Digits Used.

Fraction is evaluated from Numerator 1, Denominator 1 and Operation. The calculation reports Result, Result and Mixed Number Form.

Law of Sines is evaluated from Side a, Angle A and Side b. The calculation reports Side a, Side b and Side c.

Logarithm is evaluated from Number and Base. The calculation reports log₁₀, ln - natural log and log₂ - binary.

Surface Area is evaluated from Shape, Side / Radius and Width. The calculation reports Total Surface Area, Lateral Surface Area and Base Area.

Z-Score is evaluated from Data Value, Population Mean and Standard Deviation. The calculation reports Z-Score, Percentile and Percent Above This Value.

Matrix Multiplication is evaluated from A[1,1], A[1,2] and A[2,1]. The calculation reports AB[1,1], AB[1,2] and AB[2,1].

Factorial is evaluated from n. The calculation reports n!, log₁₀ - for large n and Stirling Approximation.

Law of Cosines is evaluated from Side a, Side b and Side c. The calculation reports Side a, Side b and Side c.

Normal Distribution is evaluated from Mean, Standard Deviation and Value x₁. The calculation reports P, P and P.

Pythagorean Theorem is evaluated from Solve For, Side a and Side b. The calculation reports Missing Side, Triangle Area and Triangle Perimeter.

Ratio & Proportion is evaluated from A, B and C. The calculation reports Simplified Ratio A:B, A / B and A as% of.

Roman Numeral Converter is evaluated from Value to Convert and Convert From. The calculation reports Arabic Number, Roman Numeral and Breakdown.

Eigenvalue is evaluated from A[1,1], A[1,2] and A[2,1]. The calculation reports Trace, Determinant and Discriminant.

LCM Calculator (Least Common Multiple) is evaluated from Number 1, Number 2 and Number 3. The calculation reports LCM, GCD of first two numbers and Verification.

Prime Number Checker is evaluated from Number to Check. The calculation reports Is Prime?, Prime Factorization and All Divisors.

Probability is evaluated from Favorable Outcomes, Total Possible Outcomes and P. The calculation reports Probability P, Complement P = 1 - P and Odds For.

Right Triangle is evaluated from Leg a, Leg b and Hypotenuse c. The calculation reports Leg a, Leg b and Hypotenuse c.

Triangle Solver is evaluated from Known Values, Side a and Side b. The calculation reports Side a, Side b and Side c.

Weighted Average is evaluated from Value 1, Weight 1 and Value 2. The calculation reports Weighted Average, Total Weight and Simple Average.

Circle is evaluated from Known Value, Value and Arc/Sector Angle. The calculation reports Radius, Diameter and Circumference.

Combinations is evaluated from Total Items and Items to Choose. The calculation reports C - Combinations, P - Permutations and r!.

Fibonacci Generator is evaluated from Number of Terms and Find nth Term. The calculation reports Fibonacci Sequence, F - nth Term Value and Golden Ratio.

GCD / HCF is evaluated from Number 1, Number 2 and Number 3. The calculation reports GCD / HCF, LCM and Are numbers coprime?.

Rounding is evaluated from Number to Round, Decimal Places and Round to Nearest Multiple. The calculation reports Rounded, Floor and Ceiling.

Trig Reference is evaluated from Angle and Angle Unit. The calculation reports Quadrant, Reference Angle and sin.

Armstrong Number Checker is evaluated from Number to Check and Find All Armstrong Numbers up to. The calculation reports Is Armstrong Number?, Step-by-Step Check and Number of Digits.

Permutations is evaluated from Total Items, Items to Arrange and Allow Repetition?. The calculation reports Permutations P, Combinations C and Circular Permutations.

Polygon Area is evaluated from Number of Sides and Side Length. The calculation reports Area, Perimeter and Interior Angle.

Prime Factorization is evaluated from Positive Integer. The calculation reports Prime Factorization, Prime or Composite? and Number of Divisors.

Square Root & Cube Root is evaluated from Number and nth Root. The calculation reports Square Root, Cube Root and nth Root.

Arithmetic Sequence is evaluated from First Term, Common Difference and Number of Terms. The calculation reports nth Term, Sum of n Terms and Last Term.

Confidence Interval is evaluated from Sample Mean or Proportion, Sample Standard Deviation and Sample Size. The calculation reports Margin of Error, Lower Bound and Upper Bound.

Distance Between Points is evaluated from Point 1 - x₁, Point 1 - y₁ and Point 2 - x₂. The calculation reports Distance, Slope and Midpoint x.

Exponent is evaluated from Base and Exponent. The calculation reports Result, Reciprocal and log₁₀.

Geometric Sequence is evaluated from First Term, Common Ratio and Number of Terms. The calculation reports nth Term, Sum of n Terms and Sum to Infinity.