Math & Science

Solve simple one-variable linear equations in x and see the rearranged coefficient and constant.

Solve two-variable linear systems, find x and y, and identify parallel or dependent equations.

Calculate mean, median, mode, range, quartiles, variance, and standard deviation.

Calculate a weighted mean from values and weights, with contribution breakdowns and grade-style percentage support.

Calculate density, mass, or volume with standard formulas and unit conversion.

Calculate dilution variables using C1V1 = C2V2.

Plan serial dilution concentrations, cumulative factors, transfer volume, and diluent volume across multiple steps.

Calculate coordinate distance, delta x, delta y, and related line information.

Calculate 3D point distance, vector magnitude, dot product, and angle between vectors.

Calculate force, mass, or acceleration with a tabbed Newton's second law tool.

Calculate weight force from mass and gravity, with Earth, Moon, Mars, Jupiter, and custom gravity comparisons.

Add, subtract, multiply, and divide stacked fractions with simplified, mixed, and decimal results.

Solve pressure, volume, moles, or temperature using the ideal gas law.

Estimate real-gas pressure with the Van der Waals equation using entered a and b constants.

Calculate kinetic energy, mass, or velocity with a focused physics tool.

Calculate momentum, final momentum, impulse, and average force from mass and velocity change.

Calculate base logs, natural logs, and antilogs with clear formulas.

Calculate molar mass from a chemical formula with element breakdowns.

Calculate molarity, moles, or volume with chemistry formula tabs.

Convert between mass, moles, molar mass, and particles with Avogadro's number.

Calculate normality, solute mass, equivalent weight, or volume for chemical solutions.

Calculate percent change, percent difference, and reverse percentage changes.

Calculate simple probability, event odds, and probability comparisons.

Estimate survey sample size from confidence level, margin of error, expected proportion, population size, and response rate.

Check whether two conversion rates are statistically different using a simplified two-proportion z-test.

Calculate area for common shapes, rooms, surfaces, and measurement problems.

Calculate volume for common shapes, containers, materials, and measurement problems.

Calculate perimeter or circumference for common geometric shapes with clear formula breakdowns.

Calculate total and lateral surface area for common 3D shapes with formula breakdowns.

Convert measurement units across length, area, volume, mass, temperature, and speed with formula-aware output.

Convert between pH, pOH, hydrogen ion concentration, and hydroxide ion concentration.

Estimate buffer pH from pKa, conjugate base, and weak acid using the Henderson-Hasselbalch equation.

Calculate pressure, force, or area with physics formulas and unit conversion.

Calculate fluid pressure from density, gravity, depth, and optional surface pressure.

Solve quadratic equations and find real or complex roots.

Simplify ratios, solve equivalent ratios, split totals, and compare proportional values.

Split totals across three proportional parts or scale a three-part recipe from one known amount.

Calculate percent yield, actual yield, or theoretical yield with chemistry-focused guidance.

Use a full scientific calculator with advanced math functions, memory, history, and keyboard support.

Convert between standard form, scientific notation, and E notation.

Find slope, rise, run, and the line equation between two points.

Calculate solute mass, molarity, final volume, or molar mass for solution preparation.

Calculate speed, distance, or travel time using the rate formula with clear assumptions.

Calculate final velocity, displacement, and average velocity for constant-acceleration motion.

Calculate standard deviation, variance, mean, and related statistics.

Calculate z-score, left-tail probability, right-tail probability, and two-tail normal probability estimates.