Middle School Student
Step-by-step calculators for middle school math: ratios, exponents, scientific notation, slopes, geometry basics, and test grades.
Math
Percentage Increase Calculator - Calculate Percent Growth
Percentage increase calculator to find percent growth or decline between any two values. Ideal for stock prices, salaries, and website traffic.
Ratio Calculator - Solve Proportions & Simplify Ratios
Ratio calculator to solve for a missing value in A:B = C:D proportions or simplify a ratio to lowest terms. Perfect for recipes, maps, and scale problems.
Cross Multiplication Calculator - Solve Proportions & Ratios
Cross multiplication calculator to solve proportions a/b = c/x for the unknown x. Perfect for recipe scaling, unit conversion, and ratio problems instantly.
Scientific Notation Calculator - Convert to Standard Form
Scientific notation calculator to convert numbers to standard form or expand scientific notation to decimals. Handles large and small numbers instantly.
Exponent Calculator - Raise a Base to a Power
Exponent calculator for powers such as b^n with real bases and exponents. Get instant results, including 0^0 by convention and overflow handling.
Slope Calculator - Find Slope from Two Points or Equation
Calculate slope from two coordinate points or a line equation. Get slope, angle, distance, and line equation. Perfect for algebra and coordinate geometry.
Distance Formula Calculator - 2D and 3D Distance
Calculate Euclidean distance between two points in 2D or 3D space using the distance formula. Fast, accurate results with the formula shown.
Midpoint Calculator - Find Midpoint Between Two Points
Midpoint calculator finds the exact midpoint of a line segment in 2D or 3D space. Enter two point coordinates for instant results with the midpoint formula.
Triangle Area Calculator - Base Height, Heron's, SAS
Calculate triangle area using base and height, three sides (Heron's formula), or two sides and an angle (SAS). Instant results with formulas shown.
Circle Calculator - Area, Circumference, Radius & Diameter
Calculate circle area, circumference, radius, and diameter from any known measurement. Enter radius, diameter, circumference, or area to get all properties.
Circumference Calculator - Radius or Diameter to Perimeter
Calculate circle circumference from radius or diameter using C = 2πr and C = πd. Free online circumference calculator with instant results.
Simplifying Radicals Calculator - Simplify Square Roots
Simplify any radical expression instantly. Enter the radicand and root index to get the fully reduced form with coefficient, perfect for algebra and geometry.
Decimal to Fraction Calculator - Simplify Instantly
Decimal to fraction calculator converts any decimal to its simplified fraction form using GCD. Handles terminating decimals and mixed numbers instantly.
Discriminant Calculator - Quadratic Root Analysis
Calculate the discriminant b² − 4ac of any quadratic equation ax² + bx + c = 0. Determine root nature — real, repeated, or complex — instantly.