Skip to main content
EvvyTools.com EvvyTools.com

Navigate

Home Tools Data Lists About Blog Contact

Tool Categories

Home & Real Estate Health & Fitness Freelance & Business Everyday Calculators Writing & Content Dev & Tech Cooking & Kitchen Personal Finance Math & Science

More

Subscribe Donate WordPress Plugin
Sign In Create Account

Math & Science Tools

Scientific calculators, graphing tools, statistics solvers, and physics simulators. Step-by-step solutions that show the work, not just the answer.

Math and science problems are easy to set up and surprisingly easy to get wrong. A misplaced exponent, a dropped negative sign, or a forgotten unit conversion can send your answer off by orders of magnitude. When you are solving problems for a class, verifying lab results, or sizing a component for an engineering project, having a reliable way to check your work matters.

Our math and science tools handle the computation so you can focus on understanding the concepts. Enter your values, see the result, and follow the step-by-step breakdowns to understand how the answer was reached. These are not black boxes — they show the formulas and intermediate steps so you can learn as you calculate.

Every tool runs in your browser with no downloads or signups. Use them on a phone during a lecture, on a laptop in a lab, or on a desktop at your workbench.

Math & Science Tools

16
AC Circuit Analyzer New
Impedance, resonance, Q factor, and Bode-plot filter design for RLC circuits
Beam Deflection & Load Calculator New
Maximum deflection, stress, shear, and safety factor for common beam profiles and materials
Boiling Point Calculator
Find the boiling point of water at any altitude or pressure.
Density Calculator
Calculate density, mass, or volume with 100+ material database.
Graphing Calculator
Plot and explore mathematical functions interactively
Matrix Workbench New
Determinant, inverse, eigenvalues, RREF, LU decomposition, and Ax=b solver
Ohm's Law Calculator
Calculate voltage, current, resistance, and power instantly.
PID Tuner & Step Response Simulator New
Suggested Kp, Ki, Kd gains via Ziegler-Nichols, Cohen-Coon, and IMC with a live step plot
Pipe Flow & Pressure Drop Calculator New
Darcy-Weisbach and Hazen-Williams pressure drop, Reynolds, friction factor, pump power
Projectile Motion Calculator
Calculate trajectory, range, height, and flight time with animation.
Resistor Color Code Calculator
Decode color bands to resistance values or encode values to colors.
Scientific Calculator
Trig, algebra, primes, and base conversion in one powerful tool
Statistical Power Calculator New
Required sample size for t-tests, proportions, ANOVA, and chi-squared at any power and alpha
Statistics Calculator
Descriptive stats, distributions, hypothesis testing, and regression
Tree Age Estimator
Estimate tree age from trunk diameter using ISA growth factors
Unit-Aware Equation Solver New
Type an equation with units, get dimensional consistency and any-variable solution

Who Are These Tools For?

Students

Check homework, visualize functions, and build intuition for math and science concepts with step-by-step solutions.

Researchers & Scientists

Run quick calculations, verify statistical results, and convert units without opening a full software suite.

Engineers & Technicians

Solve circuit problems, calculate projectile paths, and look up material properties on the fly.

Frequently Asked Questions

Our tools use standard mathematical formulas and IEEE 754 floating-point arithmetic, the same standard used by scientific computing software. Results are accurate for typical use cases. For research requiring arbitrary precision, use a computer algebra system like Wolfram Mathematica or SageMath.

Yes. The graphing calculator supports multiple simultaneous functions with distinct colors, adjustable domains, zoom, and pan. You can compare functions side by side and trace values along each curve.

We offer eight free tools: scientific calculator, graphing calculator, statistics calculator, Ohm's law calculator, resistor color code calculator, projectile motion simulator, density calculator, and boiling point calculator. Each tool runs instantly in your browser without signup.

Many of our tools display intermediate steps and the formulas used to reach the answer. This is especially useful for students who want to verify their own work and understand the process, not just the final number.