Math
6CalculatorA pocket-style immediate-execution calculator on screen: type on your keyboard or tap the keys, chain add-subtract-multiply-divide, use percent and sign toggle, with a friendly divide-by-zero message.Formula SheetQuick-reference math formula sheet: algebra, geometry, trigonometry and physics formulas at a glance, with fast lookup for revision and homework.Statistics CalculatorOnline statistics calculator: mean, median, mode, variance and standard deviation in one click — enter data and get instant results for homework and analysis.Triangle CalculatorOnline triangle calculator: given two sides and an angle or three sides, auto-solve remaining sides, angles, area and perimeter, with degree/radian modes.Coordinate SystemCoordinate plane learning tool: plot points, draw shapes and read coordinates to intuitively understand quadrants and point positions, with transformation drills.Number Line and Number ClassificationInteractive number line learning tool: mark integers, fractions and decimals on a line to understand rational number classification and comparison, with classification drills.
Physics
3Velocity & Acceleration CalculatorKinematics calculator for uniformly accelerated motion: swap velocity, acceleration, displacement and time, with clear formulas for physics homework.Newton's Second Law CalculatorNewton's second law calculator: given any two of force, mass and acceleration, the third is computed instantly, with unit conversion for mechanics problems.Simple Harmonic Motion Period CalculatorSimple harmonic motion period calculator: derive period and frequency from mass & spring constant or pendulum length instantly, with formula notes.
Chemistry
3Periodic TableOnline periodic table: 118 elements arranged by groups — click to view atomic mass, electron configuration and common properties for chemistry study.Molecule Structure ViewerMolecular structure viewer: 3D visualisation of common molecules with clear atoms and bonds to understand spatial configuration and chemical bonding.Chemical Equation BalancerChemical equation balancer: enter reactants and products, get balanced coefficients with step-by-step process, covering common reaction types.
