Science & Lab · Page 7
Explore physical quantities, motion, circuits, waves and chemical formula units with explicit units and model assumptions.
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A tool can belong to several categories. All tools lists each calculator once.
Chemistry
Mathematics
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 ↗2×2 Matrix Calculator
Learning & Education · IT & Communication · Science & LabAdd, subtract or multiply two 2×2 matrices, or find the inverse of A. Enter each cell separately and follow row-by-column arithmetic in the result table.
Open calculator ↗Trigonometry Calculator
Learning & Education · Science & Lab · Design & DrawingEnter an angle in degrees or radians to find six trigonometric functions. Explore a unit-circle diagram and sine/cosine graphs.
Open calculator ↗Logarithm Calculator
Learning & Education · Science & Lab · IT & CommunicationCalculate a real logarithm in any valid base, or raise that base to an exponent. Compare natural, binary and decimal logarithms and inspect the inverse relationship.
Open calculator ↗Complex Number Calculator
Learning & Education · Science & LabAdd, subtract, multiply or divide two complex numbers. Enter real and imaginary parts separately, then inspect magnitude, argument and an equal-scale complex-plane diagram.
Open calculator ↗Vector Calculator
Learning & Education · Science & Lab · Design & DrawingEnter two three-component vectors to calculate their sum, difference, dot product, cross product, magnitudes and angle, with an XY-projection diagram.
Open calculator ↗Work Rate Calculator
Time & Planning · Learning & Education · Science & LabCalculate how long two constant-rate workers, machines or pipes take together. Include an opposing drain and an already-completed fraction, with a progress graph.
Open calculator ↗Mechanics
Physics
Lever Balance Calculator
Learning & Education · Middle School · High School · Science & LabFind the effort force needed to balance a load about a fulcrum. Compare perpendicular moment arms, torque and ideal mechanical advantage.
Open calculator ↗Pulley Mechanical Advantage Calculator
Learning & Education · Middle School · High School · Science & LabEstimate effort and rope travel from the number of load-supporting rope segments. Compare ideal geometry with an entered overall lifting efficiency.
Open calculator ↗Buoyancy Calculator
Learning & Education · Middle School · High School · Science & LabCompare an object’s weight with displaced-fluid buoyancy. Enter displacement directly or estimate whether a uniform object floats, sinks or is neutrally buoyant.
Open calculator ↗Hydrostatic Pressure Calculator
Learning & Education · Middle School · High School · Science & LabFind the pressure increase with fluid depth, absolute pressure and the incremental force on a horizontal patch. Keep surface pressure separate from gauge pressure.
Open calculator ↗Thin Lens Calculator
Learning & Education · High School · Science & Lab · Design & DrawingFind image distance and signed magnification for a thin lens and a real object. Distinguish real, virtual and focal-plane cases with a lens layout.
Open calculator ↗Force and Friction Calculator
Learning & Education · High School · Science & Lab · Construction & DIYResolve two forces into a resultant, or check whether a block can stay at rest on an incline. Inspect components, friction limits and acceleration after slipping begins.
Open calculator ↗Heat Energy Calculator
Learning & Education · Science & Lab · Cooking & KitchenCalculate signed heat transfer from mass, specific heat and initial/final temperatures. Compare energy units and see a heating or cooling energy chart.
Open calculator ↗Series and Parallel Capacitor Calculator
Learning & Education · Science & LabCalculate the equivalent capacitance of 2–20 capacitors in series or parallel. Enter supply voltage for ideal charge, per-capacitor voltage and stored energy.
Open calculator ↗Series and Parallel Resistor Calculator
Learning & Education · Science & LabFind the equivalent resistance of 2–20 ideal resistors in series or parallel. Enter a DC voltage to calculate current, voltage drop and power for every resistor.
Open calculator ↗Kinetic Energy Calculator
Learning & Education · Science & Lab · Automotive · Sports & FitnessFind translational kinetic energy, mass or speed from the other two values. Choose explicit units, compare energy equivalents and see how energy changes with speed.
Open calculator ↗Pressure Converter
Learning & Education · Science & Lab · Construction & DIY · AutomotiveConvert pressure across SI and other common units. Distinguish absolute and gauge readings using a reference pressure you enter, and compare both in a unit table.
Open calculator ↗Temperature Converter
Learning & Education · Science & Lab · Cooking & Kitchen · TravelConvert Celsius, Fahrenheit, kelvin and Rankine. Distinguish actual temperatures from temperature changes, and compare all four scales in a table.
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 ↗Normal Distribution Calculator
Learning & Education · Science & LabCalculate a normal probability below, above or between entered values. See standardized z scores, a probability breakdown and a bell curve with the selected region.
Open calculator ↗Linear Regression Calculator
Learning & Education · Science & LabFit y=a+bx to 2–100 entered coordinate pairs. Inspect the regression equation, correlation, R², predictions, residuals and a scatter plot.
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