SWETAxAI FREE STEM TOOLS
Explore a growing collection of free interactive STEM tools from SWETAxAI designed to make learning more visual, practical, and engaging.
Use calculators, interactive explorers, equation solvers, unit converters, visualisers, practice tools, and subject-specific learning utilities across Mathematics, Physics, Chemistry, Biology, and other STEM subjects.
From solving equations and exploring mathematical concepts to converting units and practising science concepts, these tools help students learn by doing, check their understanding, and solve problems with confidence, completely free.
Explore. Calculate. Visualise. Learn. — with SWETAxAI.
End Use Only: Licensed for authorised use by learners, teachers, schools, and institutions. Redistribution, resale, copying, or unauthorised sharing is strictly prohibited.
SWETAxAI FREE FORMULA FINDERS
SWETAxAI FREE Mathematics Formula Finder - Virtual Tools
65 formulas across 7 topics — search by name or filter by category, with explanations built in.
Every formula across algebra, trigonometry, calculus, coordinate geometry, mensuration, statistics and vectors — searchable and organised by topic, with a plain-language note on what each one does. Built for quick lookup during practice, revision, or when a formula just won't come to mind.
SWETAxAI - FREE Physics Formula Finder
7 formulas across 7 topics — search by name or filter by category, with explanations built in.
Every formula across mechanics, electricity & magnetism, optics, waves & sound, thermodynamics, modern physics, and measurement — searchable and organised by topic, with a plain-language note on what each one does. Built for quick lookup during practice, revision, or when a formula just won't come to mind.
SWETAxAI - FREE Chemistry Formula Finder
64 formulas across 7 topics — search by name or filter by category, with explanations built in.
Every formula across mole concept & stoichiometry, solutions, equilibrium, thermochemistry, electrochemistry, kinetics, and gas laws & atomic structure — searchable and organised by topic, with a plain-language note on what each one does. Built for quick lookup during practice, revision, or when a formula just won't come to mind.
SWETAxAI - FREE Trigonometry Formula Finder
62 trig identities and rules across 9 topics — search by name or filter by category, with explanations built in.
A dedicated deep-dive into every trig identity and rule — basic ratios, compound and multiple angles, sum-to-product, inverse trig functions, triangle solving, allied angles, series & conditional identities, heights & distances, and general solutions. Searchable and organised by topic, with a plain-language note on what each one does.
SWETAxAI - FREE Calculus Formula Finder
52 calculus formulas across 8 topics — search by name or filter by category, with explanations built in.
A dedicated deep-dive into every calculus rule and result — limits, derivative rules, standard derivatives, applications of derivatives, integration rules and techniques, definite integrals, and differential equations. Searchable and organised by topic, with a plain-language note on what each one does.
SWETAxAI - FREE Mechanics Formula Finder
68 mechanics formulas across 8 topics — search by name or filter by category, with explanations built in.
A dedicated deep-dive into every mechanics formula — kinematics, Newton's laws & dynamics, work/energy/power, momentum & collisions, circular motion, rotational motion, gravitation, and simple harmonic motion. Searchable and organised by topic, with a plain-language note on what each one does.
SWETAxAI - FREE Organic Reaction Finder
49 named reactions across 6 topics — search by name or filter by category, with mechanisms explained.
Every named reaction and mechanism you need — hydrocarbons, haloalkanes & haloarenes, alcohols & phenols, aldehydes & ketones, carboxylic acids & derivatives, and amines. Searchable and organised by topic, with reagents and conditions shown clearly above the arrow and a plain-language note on what each reaction does.
SWETAxAI - FREE Thermodynamics Formula Finder
50 formulas across 7 topics, spanning physics and chemistry — search by name or filter by category, with explanations built in.
A cross-subject deep-dive spanning both physics and chemistry — thermal properties & calorimetry, kinetic theory of gases, the laws of thermodynamics, thermodynamic processes, heat engines & refrigerators, chemical thermodynamics, and thermochemistry. Searchable and organised by topic, with a plain-language note on what each one does.
SWETAxAI CALCULATORS
SWETAxAI - FREE Standard Deviation Calculator
A full scientific calculator, right in your browser — trig, logs, powers, factorials, and memory keys, with every calculation saved to a running history. Switch between degrees and radians, reach inverse trig and exponentials with the 2nd key, and pick up right where you left off with Ans. No download, no sign-up.
SWETAxAI - FREE Standard Deviation Calculator
See the spread in your data, one step at a time. Enter any dataset and get the mean, variance, and both population and sample standard deviation instantly, with a full deviation table showing the working for every value, plus a spread chart with the mean and ±1 SD band. No download, no sign-up.
SWETAxAI - FREE Scientific Notation Calculator
See the spread in your data, one step at a time. Enter any dataset and get the mean, variance, and both population and sample standard deviation instantly, with a full deviation table showing the working for every value, plus a spread chart with the mean and ±1 SD band. No download, no sign-up.
SWETAxAI - FREE Significant Figures Calculator
See exactly which digits count. Enter any number to identify its significant figures with every rule explained, round to a chosen number of sig figs, or calculate directly — with addition, subtraction, multiplication and division all carrying the correct precision through to the answer. No download, no sign-up.
SWETAxAI - FREE Exponent Calculator
Evaluate any power — including negative and fractional exponents — with the working shown at every step, from repeated multiplication to roots. Or combine two powers of the same base and see exactly which rule applies: product, quotient, or power of a power. No download, no sign-up.
SWETAxAI - FREE Logarithm Calculator
Evaluate any logarithm — common log, natural log, or a custom base — and see the change-of-base working laid out step by step, alongside the equivalent exponential form. Or combine two logs of the same base and see exactly which rule applies: product, quotient, or power. No download, no sign-up.
SWETAxAI - FREE Unit Conversion Calculator
Convert between length, mass, temperature, volume, time, speed, area and pressure units instantly. See the formula or factor behind every conversion, plus a full table showing your value in every unit of that category at once. No download, no sign-up.
SWETAxAI - FREE Time Conversion Calculator
Convert between nanoseconds and centuries with the working shown at every step, or break any duration down into years, days, hours, minutes and seconds — handy for reading large second counts like timers or rate limits. No download, no sign-up.
SWETAxAI - FREE Temperature Converter
Enter a temperature once and see it instantly in Celsius, Fahrenheit, Kelvin and Rankine, with the formula behind every conversion shown. A visual scale places your value alongside everyday reference points — from absolute zero to a hot oven — so the number actually means something. No download, no sign-up.
SWETAxAI - FREE Percentage Calculator
Solve the three questions percentages always come down to — what's X% of Y, what percent is X of Y, and X is P% of what number — plus percentage increase and decrease, all with the working shown step by step. No download, no sign-up.