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1822 apps · Showing 1–96
Data & Calculators
1822 appsData & Calculators: Functions & Curves
Data & Calculators: Compare Data
Bubble Chart Maker
Compare x, y, and size at once, with labels and groups that make every bubble easy to inspect.
CSV Scatter Plot Maker
Paste x and y values, colour points by group, and spot clusters, gaps, and unusual results.
Error Bar Chart Maker
Plot measured values with plus-or-minus error bars so uncertainty stays visible beside each result.
Multi-Series Line Chart Maker
Draw one or more ordered lines from CSV data and compare how each series rises or falls.
Data & Calculators: Distributions
Box Plot Maker
Compare medians, quartiles, ranges, and unusual points across one or more groups.
Histogram Maker
Group measurements into bins and see where values gather, spread out, or form more than one peak.
Violin Plot Maker
Show the full density shape of grouped measurements while keeping the median and inner box visible.
Data & Calculators: Grids & Fields
2D Density Contour Plot Maker
Estimate where x and y observations gather and show their density as filled contour bands.
Contour Plot Maker
Turn gridded measurements into smooth contour bands that reveal peaks, valleys, and boundaries.
Matrix Heatmap Maker
Convert row, column, and value data into a colour grid with hover values and a clear scale.
Data & Calculators: 3D Science
3D Scatter Plot Maker
Plot x, y, and z values in a rotatable space, then colour groups and inspect point labels.
3D Surface Function Plotter
Type a two-variable formula and rotate a smooth 3D surface to inspect peaks, bowls, waves, and saddles.
3D Vector Field Maker
Draw vectors from x, y, z positions with u, v, w direction values in a rotatable cone field.
Data & Calculators: Special Coordinates
Polar Plot Maker
Turn angle and radius values into circular traces for direction, cycles, and radial measurements.
Radar Chart Maker
Compare several profiles across the same named categories with clear filled radar shapes.
Ternary Plot Maker
Plot three values that form a whole, such as material blends, soil mixes, or survey shares.
Data & Calculators: Finance & Change
Data & Calculators: Many Variables
Correlation Matrix Heatmap
Calculate pair-by-pair correlations across numeric columns and see strong positive or negative links.
Parallel Coordinates Plot Maker
Turn each numeric column into an axis and follow every row across a high-dimensional profile.
Scatter Plot Matrix Maker
Build a grid of scatter plots so every numeric column can be compared with every other column.
Data & Calculators: Math Calculators
30–60–90 Triangle from a Known Measurement
Calculate 30–60–90 triangle from a known measurement with retained unit controls, positive geometric roots and explicit inverse-branch assumptions.
3D Cross Product and Vector Components
Compute a three-dimensional cross product from signed Cartesian components, with zero-vector handling, conditional vector summaries and a worked example.
45–45–90 Triangle Equal Legs and Size
Calculate 45–45–90 triangle equal legs and size with retained unit controls, positive geometric roots and explicit inverse-branch assumptions.
Absolute Value of a Real Number
Find a real number’s nonnegative distance from zero.
Acute-Branch Rhombus Area, Diagonals and Height
Calculate acute-branch rhombus area, diagonals and height with retained unit controls, positive geometric roots and explicit inverse-branch assumptions.
Antilog & Logarithm with a Chosen Base
Convert a logarithm value back to its number with a positive base, or recover the logarithm from the number.
Arccosine Principal Angle & Cosine Ratio
Find the principal angle for a cosine ratio, or solve the ratio from an angle between 0° and 180°, with nine angle units.
Arcsine Principal Angle & Sine Ratio
Find the principal inverse sine angle from a ratio, with negative angles, reverse entry and degrees, radians, turns or arc units.
Arctangent Value and Principal Angle Conversion
No. It selects one principal angle in the open interval from −π/2 to π/2. Tangent repeats periodically, but angles outside this branch are rejected in the backward control.
Area Calculator
Calculate area and perimeter for rectangles, circles, triangles, trapezoids, and ellipses.
Average Calculator
Calculate arithmetic mean, median, sum, count, minimum, and maximum for a list of numbers.
Base, Exponent and Power with Inverse Inputs
Base, Exponent and Power with Inverse Inputs. Evaluate a real power or principal root, with reverse inputs where a unique solution exists.
Basic Calculator
Evaluate arithmetic with parentheses, powers, percentages, and standard operator precedence.
Big Number Calculator
Perform exact arithmetic on integers larger than JavaScript's ordinary safe-number range.
Binary Calculator
Perform exact arithmetic on binary integers and convert the result to decimal and hexadecimal.
Binary Logarithm & Power of Two
Find log₂(x) for a positive number, or recover x from its base-two logarithm.
Cartesian & Polar Coordinates in Both Directions
Convert x/y coordinates to radius and angle, or radius and angle to x/y, with quadrant-aware angles and selectable angle units.
Cartesian Distance Between Two Spatial Points
No. This workflow retains the six coordinate inputs and a read-only distance result. A distance equation can have reflected coordinate solutions, which this tool does not select.
Cartesian Point Distance and Positive-Branch Coordinates
The solver adds the positive square root to the other point’s matching coordinate. A reflected point can have the same distance. The requested distance must be at least either known axis separation.
Ceiling: Smallest Integer at or Above
Round a signed decimal upward to the least integer that is no smaller than the input, including negative numbers and tiny positive fractions.
Central Angle from Arc Length and Radius
Yes. This model divides positive arc travel by radius and keeps the accumulated angle. It does not reduce the result to a minor arc or one revolution.
Choose k from n: Binomial Count
Count unordered selections of k distinct objects from n, without replacement.
Circle Arc Length with Sector Area and Chord Controls
Calculate circle arc length with sector area and chord controls with retained unit controls, positive geometric roots and explicit inverse-branch assumptions.
Circle Boundary Length and Enclosed Area
Circumference measures boundary length and uses length units. Enclosed area measures the disk and uses squared length units. Both can determine the positive radius of the same circle.
Circle Boundary Length from Radius or Diameter
Calculate circle boundary length from radius or diameter with bidirectional inputs, compatible units and clear geometric assumptions.
Circle Calculator
Find diameter, circumference, area, and equations from a circle radius.
Circle Center from Standard, General or Parametric Form
Find a circle’s center from one of three equation forms, with explicit coefficient meanings.
Circle Diameter and Radius Conversion
Calculate circle diameter and radius conversion with bidirectional inputs, compatible units and clear geometric assumptions.
Circle Diameter Recovered from Area
Calculate circle diameter recovered from area with bidirectional inputs, compatible units and clear geometric assumptions.
Circle Equations, Center, Radius & Geometry
Connect a circle’s center and radius with standard, general and parametric coefficients, area and circumference.
Circle General ↔ Standard Form Coefficients
Convert the coefficients of a normalized circle equation to or from its center and squared radius.
Circle Measurements with a Zero-Radius Boundary
Calculate circle measurements with a zero-radius boundary with bidirectional inputs, compatible units and clear geometric assumptions.
Circle Radius from Circumference or Its Pi Coefficient
In full-circumference mode enter 28*pi. In π-coefficient mode enter 28. The coefficient field already supplies the π factor; adding another pi would multiply it twice.
Circle Radius Recovered from Boundary Length
Calculate circle radius recovered from boundary length with bidirectional inputs, compatible units and clear geometric assumptions.
Circle Radius, Diameter, Boundary and Area
Calculate circle radius, diameter, boundary and area with bidirectional inputs, compatible units and clear geometric assumptions.
Circle Radius, Diameter, Circumference and Area
Enter a positive radius, diameter, circumference or area. The other values describe the same circle. Area-to-radius solving uses the positive square root, and length and area use different unit dimensions.
Circular Area with Square-Foot Unit Controls
Calculate circular area with square-foot unit controls with bidirectional inputs, compatible units and clear geometric assumptions.
Circular Area with Square-Inch Unit Controls
Calculate circular area with square-inch unit controls with bidirectional inputs, compatible units and clear geometric assumptions.
Circular Frustum Volume with Perpendicular and Slant Height
Circular Frustum Volume with Perpendicular and Slant Height. Convert compatible units, recover unknown dimensions and distinguish curved surfaces, bases and total measures.
Circular Perimeter from Enclosed Area
Calculate circular perimeter from enclosed area with bidirectional inputs, compatible units and clear geometric assumptions.
Circular Sector Area, Arc and Chord Relationships
Calculate circular sector area, arc and chord relationships with retained unit controls, positive geometric roots and explicit inverse-branch assumptions.
Circular Sector Boundary with Two Radial Edges
Calculate circular sector boundary with two radial edges with retained unit controls, positive geometric roots and explicit inverse-branch assumptions.
Circumference with Radius and Diameter Controls
Calculate circumference with radius and diameter controls with bidirectional inputs, compatible units and clear geometric assumptions.
Clock-Hand Directional Hour–Minute Angles
Calculate both directed angles between hour and minute hands for a twelve-hour analog clock.
Closed Cone Surface from Radius, Circumference and Slant
Closed Cone Surface from Radius, Circumference and Slant. Convert compatible units, recover unknown dimensions and distinguish curved surfaces, bases and total measures.
Closed Cylinder Surface, Volume and Axial Diagonal
Closed Cylinder Surface, Volume and Axial Diagonal. Convert compatible units, recover unknown dimensions and distinguish curved surfaces, bases and total measures.
Common Factor Calculator
List all positive factors shared by two or more whole numbers.
Compare Two Signed Numbers or Decimals
Compare two real numeric values and show whether the first is greater than, equal to or less than the second.
Complex Conjugate & Magnitude from Real Components
Find the conjugate of a complex number by reversing its imaginary component, and calculate its nonnegative magnitude.
Complex Magnitude & Phase to a + bi
Convert a complex number’s nonnegative magnitude and phase to its real and imaginary components.
Complex Magnitude & Phase to Real and Imaginary Parts
Turn a complex number’s nonnegative magnitude and phase into its real and imaginary components, with degree and radian inputs.
Complex Number Modulus & Principal Argument
Find the modulus and principal argument of a complex number from its real and imaginary components.
Complex Number Trigonometric Amplitude & Phase
Obtain the radius and phase used in z = r(cos φ + i sin φ), with degree, radian and π-radian displays.
Complex Real/Imaginary Parts to Polar Form
Calculate magnitude and principal phase from real and imaginary components, with degree/radian angle display.
Cone and Circular Frustum Volume in Separate Sections
Cone and Circular Frustum Volume in Separate Sections. Convert compatible units, recover unknown dimensions and distinguish curved surfaces, bases and total measures.
Cone Curved Surface Area and Closed Total
Cone Curved Surface Area and Closed Total. Convert compatible units, recover unknown dimensions and distinguish curved surfaces, bases and total measures.
Cone Diameter with Height, Slant and Surface Controls
Cone Diameter with Height, Slant and Surface Controls. Convert compatible units, recover unknown dimensions and distinguish curved surfaces, bases and total measures.
Cone Radius from Volume, Height or Circular Base
Cone Radius from Volume, Height or Circular Base. Convert compatible units, recover unknown dimensions and distinguish curved surfaces, bases and total measures.
Confidence Interval Calculator
Estimate a normal-theory confidence interval for a mean from a sample mean, deviation, and size.
Conical Frustum Closed Surface and Slant Length
Conical Frustum Closed Surface and Slant Length. Use unit controls and documented positive geometric roots to compare base, lateral and total measures.
Constant Annual Exponential Growth & Decay
Project a positive quantity using a constant annual percentage rate, or solve for time, rate or starting value under the same model.
Control-Flow Graph Cyclomatic Complexity
Calculate McCabe’s control-flow complexity from edge, node and connected-component counts.
Cosine of an Angle with Near-Zero Snapping
No. Its cosine is a read-only value displayed in the result note. Any real angle is accepted, including values outside triangle angles. Values with absolute cosine below 1e−15 are snapped to zero.
Cube Capacity with Surface and Diagonal Inverses
Cube Capacity with Surface and Diagonal Inverses. Use unit controls and documented positive geometric roots to compare base, lateral and total measures.
Cube Edge, Face Diagonal, Space Diagonal and Size
Calculate cube edge, face diagonal, space diagonal and size with converted units, positive geometric inverses and explicit model limits.
Cube Size from Edge, Volume, Surface or Diagonal
Cube Size from Edge, Volume, Surface or Diagonal. Use unit controls and documented positive geometric roots to compare base, lateral and total measures.
Cube Surface, Volume and Face or Space Diagonal
No. A face diagonal is a√2, while the space diagonal is a√3. Each has its own control and label.
Cuboid Capacity, Six-Face Area and Interior Diagonal
Cuboid Capacity, Six-Face Area and Interior Diagonal. Use unit controls and documented positive geometric roots to compare base, lateral and total measures.
Cylinder Capacity in Cubic Feet
Calculate cylinder capacity in cubic feet with converted units, positive geometric inverses and explicit model limits.
Cylinder Capacity in Cubic Inches
Calculate cylinder capacity in cubic inches with converted units, positive geometric inverses and explicit model limits.
Cylinder Capacity in Cubic Yards
Calculate cylinder capacity in cubic yards with converted units, positive geometric inverses and explicit model limits.
Cylinder Capacity in Liters and Cubic Units
Calculate cylinder capacity in liters and cubic units with converted units, positive geometric inverses and explicit model limits.
Cylinder Capacity with US and Imperial Gallon Controls
Calculate cylinder capacity with us and imperial gallon controls with converted units, positive geometric inverses and explicit model limits.