How to use these calculators effectively: gather all your knowns and unknowns first, write out exactly what you are being asked to find, choose the formula that matches the situation, keep units consistent, and draw a diagram or free-body diagram whenever necessary.
FE calculator tools are minimized by default. Open this section when you need exam-style calculator tools.
Kinematics, forces, springs, energy, torque, center of mass, momentum, circular motion, gravity, charge, and Ohm's law.
Moles, molarity, stoichiometry, gas laws, pH, thermochemistry, light, and core Chemistry I calculations.
Complete Calculus I: limits, all major derivative rules, implicit/log differentiation, higher derivatives, motion, related rates, optimization, Riemann sums, and integrals.
Electric fields, voltage, capacitors, circuits, magnetism, induction, waves, optics, and modern physics basics.
Kinetics, equilibrium, acids/bases, thermodynamics, electrochemistry, solubility, and colligative properties.
Integration rules, numerical integration, 3D volume by disks/washers/shells, cross-sections, 3D visualizations, series, polar, and parametric equations.
Vectors, 3D geometry, partial derivatives, gradients, multiple integrals, vector fields, and core theorems.
Particle kinematics, kinetics, work-energy, impulse-momentum, rotation, rigid body motion, and vibrations basics.
Forces, moments, equilibrium, trusses, friction, centroids, distributed loads, and stress basics.
Stress-strain, elastic deformation, strengthening, diffusion, heat treatment, phase diagrams, and material properties.
Ideal gases, first law, work, heat, efficiency, entropy basics, turbines, compressors, nozzles, and heat exchangers.
Separable, linear first-order, growth/decay, mixing, second-order systems, Laplace basics, and Euler method.
Axial, torsion, bending, shear, beam deflection, stress transformation, Mohr basics, and combined loading.
Pressure, buoyancy, continuity, Bernoulli, Reynolds number, pipe losses, pumps, and hydrostatics.
Root finding, numerical integration, finite differences, interpolation, regression, error, and linear systems.
Power cycles, refrigeration cycles, Brayton, Rankine, Otto, Diesel, regeneration, intercooling, exergy, and efficiencies.
Machining, cutting speed, MRR, turning, milling, drilling, forming, casting, welding, tolerances, and production rate.
Safety factors, fatigue, Goodman, von Mises, shafts, bolts, bearings, springs, gears, and pressure vessels.
Lift, drag, thrust, Mach number, range, climb, atmosphere basics, propulsion, orbital velocity, and rocket equation.
General planning tools only. Estimate budgets, retirement growth, college savings, insurance costs, and payment plans. Saved personalized calculators are stored on this device.
General budget calculator with sliders.
Estimate future savings from starting balance, monthly deposits, return, and years.
Estimate long-term account growth.
Estimate future education savings.
Estimate monthly insurance cost.
Estimate loan or payment plan payment.
Add calculators from above, name your bundle, and save it.
Default calculators are light green. Personalized calculators are light blue.
Common crystal structures used in material science. These simple visuals are built into the page so they work offline in one HTML file.
Use this section to choose a process before using the calculators below.