My Cart
Your Cart 0

    Your cart is empty.

  • Total (Amount) ₹0.00
Exam Elite Formula Platform

Find a formula. Solve any missing value.

Browse the same Group, Category and Subject structure used by your exams, or search by formula name. Enter the values you know and the verified result appears automatically.

Verified equationsCompatible unit conversionMobile readyAnswer substitution check
Specialized solvers

Go beyond a single formula

Calculation history
Smart equation solverType, name, paste or scan a scalar equation.Open solver Equation systemsSolve several equations and unknowns together.Open solver Matrix operationsInverse, determinant, rank, RREF and Ax=b.Open solver EigenvaluesReal or complex eigenvalues and eigenvectors.Open solver Definite integrationNumerical integrals with an error estimate.Open integration Engineering numerical labDerivatives, ODE, interpolation, DFT and convolution.Open lab
Academic structure

Choose your exam group

Formula calculators stay connected to the same curriculum used for packages and exams.

Engineering202 formula calculators GATE595 formula calculators CAT & MBA69 formula calculators
Narrow the directory

Group → Category → Subject

Verified calculators

Available formula calculators

866 results. Open any card and leave one value empty to calculate it.

Physics

Electric Energy

Physics

\[P = VIt\]
Engineering
Open calculator Electrical Engineering

Electric Energy Generated

Electrical Engineering

\[Electric_{energy\_generated} = weight \cdot head \cdot overall \cdot \eta\]
GATE
Open calculator Physics

Electric Field

Physics

\[E = \frac{F}{q}\]
Engineering
Open calculator Physics

Electric Potential

Physics

\[E = \frac{V}{d}\]
Engineering
Open calculator Physics

Electric Power

Physics

\[P = VI\]
Engineering
Open calculator Chemistry

Electric Resistance

Chemistry

\[R = \rho \cdot \frac{l}{A}\]
Engineering
Open calculator Physics

Electrical Field due to Magnetic Field

Physics

\[e = - ( ( ( LdI ) ) / ( ( dt ) ) )\]
Engineering
Open calculator Electrical Engineering

Electromagnetic torque

Electrical Engineering

\[T_{e} = \frac{Rotor_{ohmic\_loss}}{\omega_{s} \cdot slip}\]
GATE
Open calculator Electronics Engineering

Electromagnetic wave propagation

Electronics Engineering

\[w_{m} = \frac{1}{2} \cdot \mu \cdot {H}^{2}\]
GATE
Open calculator Chemistry

Elevation Constant

Chemistry

\[( K_b ) = ( ( ( R \cdot ( T_b ) ^ 2 ) ) / ( ( 1000 \cdot ( L_vap ) ) ) )\]
Engineering
Open calculator Chemistry

Elevation in Boiling Point

Chemistry

\[( T_b ) = i \cdot ( k_b ) \cdot m\]
Engineering
Open calculator Mechanical Engineering

Elongation of Circular Tapered Bar

Mechanical Engineering

\[\Delta = \frac{4 \cdot P \cdot L}{\pi \cdot D_{1} \cdot D_{2} \cdot E}\]
GATE
Open calculator Mechanical Engineering

Elongation of Prismatic Bar Due to External Load

Mechanical Engineering

\[\Delta = \frac{P \cdot L}{A \cdot E}\]
GATE
Open calculator Mechanical Engineering

Elongation of Prismatic Bar Due to Self-Weight

Mechanical Engineering

\[\Delta = \frac{P \cdot L}{2 \cdot A \cdot E}\]
GATE
Open calculator Electrical Engineering

EMF per turn in Transformer

Electrical Engineering

\[\frac{E_{1}}{N_{1}} = \frac{E_{2}}{N_{2}}\]
GATE
Open calculator Electrical Engineering

Emf under running conditions

Electrical Engineering

\[E = \sqrt{2} \cdot \pi \cdot f_{r} \cdot K \cdot w_{2} \cdot N_{p} \cdot h \cdot r \cdot \phi_{1}\]
GATE
Open calculator Physics

Emissivity

Physics

\[a = 1 - r - t\]
Engineering
Open calculator Mechanical Engineering

Emissivity of black surface

Mechanical Engineering

\[\epsilon = \frac{E}{E_{b}}\]
GATE
Open calculator Electronics Engineering

Emitter current for Photo Diode

Electronics Engineering

\[I_e = I_b + I_c\]
GATE
Open calculator Physics

Energy and Momentum

Physics

\[K = ( ( ( ( p ^ 2 ) ) ) / ( ( 2 \cdot m ) ) )\]
Engineering
Open calculator Physics

Energy Density

Physics

\[E = \frac{1}{2} \cdot \epsilon \cdot {E}^{2}\]
Engineering
Open calculator Electronics Engineering

Energy gap at temperature

Electronics Engineering

\[E_{epsilon} \cdot T = E_{epsilon} \cdot 0 - \frac{\alpha \cdot {T}^{2}}{T + \beta}\]
GATE
Open calculator Electronics Engineering

Energy gap at temperature for Ge

Electronics Engineering

\[Eg_ \cdot ( T ) = 0.785 - 7.2 \cdot 10 ^ ( - 4 ) \cdot T\]
GATE
Open calculator Electronics Engineering

Energy gap at temperature for Si

Electronics Engineering

\[Eg_ \cdot ( T ) = 1.21 - 3.6 \cdot 10 ^ ( - 4 ) \cdot T\]
GATE
Open calculator
Built for learning and engineering work

One connected place for formulas, units and numerical methods

Formula pages are linked to ExamElite Groups, Categories and Subjects, so students can move naturally from an exam topic to the right calculator. Advanced tools cover systems, matrices, eigenvalues, integration, derivatives, ODE, interpolation, DFT and convolution.

  1. Choose or scanFind a published formula or capture your equation.
  2. Enter what you knowSelect compatible units for every value.
  3. Check the answerReview steps, residuals or error estimates.