All Tools · Page 11
Find a tool by name, topic, or what you need to calculate.
Browse by use
A tool can belong to several categories. All tools lists each calculator once.
Geometry
Parallel Lines and Angles Calculator
Learning & Education · Middle SchoolFind all eight angles made by a transversal crossing two parallel lines. Select the known numbered angle and compare equal and supplementary angle groups.
Open calculator ↗Coordinate Transformation Calculator
Learning & Education · Middle School · High SchoolReflect, rotate or translate a point in the coordinate plane. Keep exact fractional coordinates and compare the original point with its image on equal-scale axes.
Open calculator ↗Circle and Line Intersection Calculator
Learning & Education · High SchoolFind whether a circle and an infinite line meet in zero, one or two points. Compare the center-to-line distance, projection foot and intersection coordinates with a diagram.
Open calculator ↗Triangle Solver with Sine and Cosine Rules
Learning & Education · High SchoolSolve a triangle from SSS, SAS or ASA measurements. Find all three sides and angles, area and perimeter, with a labeled equal-scale triangle.
Open calculator ↗Polygon Area from Coordinates
Learning & Education · Construction & DIY · Design & DrawingCalculate area, perimeter and area centroid from 3–50 ordered vertices of a simple polygon. Inspect an equal-scale outline and a table of edges.
Open calculator ↗Cone Frustum Calculator
Learning & Education · Construction & DIY · Design & DrawingFind a right circular cone frustum’s volume, slant height and surface areas from two radii and vertical height. Mix input units and compare volume equivalents.
Open calculator ↗Mathematics
Meeting and Catch-Up Calculator
Learning & Education · Middle School · Time & Planning · Sports & FitnessFind when two travelers meet or one catches the other at constant speed. Choose directions, mix speed units and compare signed positions over time.
Open calculator ↗Absolute Value Equation and Inequality Calculator
Learning & Education · Middle School · High SchoolSolve |ax+b|=c or an absolute-value inequality. See exact fractional boundaries, the inside or outside solution and a number line with endpoint rules.
Open calculator ↗Set Operations and Venn Diagram
Learning & Education · Middle School · High SchoolFind the union, intersection, difference, symmetric difference or complement of two finite sets. Compare the element lists, counts and highlighted Venn regions.
Open calculator ↗Polynomial Long Division Calculator
Learning & Education · High SchoolDivide one polynomial by another and follow each subtraction. See the exact quotient and remainder, the reconstruction identity and a substitution check.
Open calculator ↗Order of Operations Calculator
Learning & Education · Middle School · High SchoolEvaluate a numeric expression with parentheses, powers and the four arithmetic operations. Follow the actual evaluation order and keep an exact fraction answer.
Open calculator ↗Linear and Quadratic Inequality Calculator
Learning & Education · Middle School · High SchoolSolve a linear or quadratic inequality against zero. See the solution intervals, open or closed endpoints, a sign chart and a number line.
Open calculator ↗Quadratic Function Maximum and Minimum
Learning & Education · Middle School · High SchoolFind the maximum and minimum of ax²+bx+c on an entered closed interval. Compare both endpoints and the vertex, with a graph and candidate table.
Open calculator ↗Polynomial Derivative and Tangent Calculator
Learning & Education · High SchoolDifferentiate a polynomial of degree up to six, evaluate its slope at a point and find the tangent line. Enter coefficients and follow each power-rule term.
Open calculator ↗Polynomial Definite Integral Calculator
Learning & Education · High SchoolIntegrate a polynomial of degree up to six between two bounds. See an exact fraction answer, the antiderivative and endpoint substitution, with a shaded curve.
Open calculator ↗Linear Equation Calculator
Learning & Education · Middle SchoolSolve ax+b=cx+d with whole numbers, decimals or fractions. Follow the same operation on both sides and check the answer by substitution.
Open calculator ↗Direct and Inverse Proportion Calculator
Learning & Education · Middle SchoolUse one known x,y pair to find the constant of direct or inverse proportion, calculate another y and compare a value table with the graph.
Open calculator ↗Square Root Simplifier
Learning & Education · Middle SchoolSimplify a real square root into a√b, with prime-factor pairs and a decimal check. Distinguish the principal square root from both solutions of x²=n.
Open calculator ↗Expansion and Factorization Calculator
Learning & Education · Middle SchoolExpand (ax+b)(cx+d) using four products, or factor a monic quadratic x²+Bx+C over the integers. See how the middle terms combine.
Open calculator ↗Two-Draw Probability Calculator
Learning & Education · Middle SchoolCalculate a two-draw color event with or without replacement. Follow a probability tree, multiply along each path and add the matching outcomes.
Open calculator ↗Ratio and Proportion Calculator
Learning & Education · Design & DrawingSimplify a whole-number ratio and divide a total into proportional shares, or solve the missing value in a:b = c:x. Inspect the shares and calculation steps.
Open calculator ↗Exponential Growth and Decay Calculator
Learning & Education · Science & Lab · Time & PlanningApply an entered constant growth or decay rate to an initial quantity. Compare periodic and continuous models, view a time curve and find doubling time or half-life.
Open calculator ↗Statistics
Conditional Probability and Bayes Calculator
Learning & Education · High School · Science & LabUpdate an event probability after a positive or negative signal. See the base-rate effect, a four-outcome probability table and expected counts for quality-control scenarios.
Open calculator ↗Grouped Frequency Calculator
Learning & Education · Middle School · High SchoolBuild a frequency table from class intervals and counts. Find relative and cumulative frequencies, a midpoint mean estimate and a histogram that supports unequal class widths.
Open calculator ↗