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
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.
Narrow the directory
Group → Category → Subject
Verified calculators
Available formula calculators
866 results. Open any card and leave one value empty to calculate it.
Electrical Engineering
Output or shaft power
Electrical Engineering
\[P_sh = P_m - Mechanical_losses\]
GATE
Open calculator
Electrical Engineering
Output or Shaft Torque
Electrical Engineering
\[Output_{or\_shaft\_torque} \cdot T_{sh} = \frac{P_{sh}}{Rotor_{speed}}\]
GATE
Open calculator
Electrical Engineering
Output power for a load torque
Electrical Engineering
\[T_{M} = \frac{P_{M}}{\omega_{s}}\]
GATE
Open calculator
Electrical Engineering
Overall Efficiency
Electrical Engineering
\[\eta_{overall} = \frac{\frac{Heat_{equvivalent\_of\_electrical\_o}}{p}}{Heat_{of\_combustion\_of\_coal}}\]
GATE
Open calculator
Electrical Engineering
P.U Full load Cu loss
Electrical Engineering
\[P_{U\_Full\_load\_Cu\_loss} = \frac{FL \cdot Cu_{loss\_in\_watts}}{\frac{VA_{rating\_of} \cdot t}{f}}\]
GATE
Open calculator
Electrical Engineering
P.U iron loss
Electrical Engineering
\[P_{U\_iron\_loss} = \frac{Iron_{loss\_in\_watts}}{\frac{VA_{rating\_of} \cdot t}{f}}\]
GATE
Open calculator
Mathematics
Parabola
Mathematics
\[c = \frac{a}{m}\]
Engineering
Open calculator
Mathematics
Parallel Lines condition
Mathematics
\[( ( a ) / ( ( a_prime ) ) ) = ( ( b ) / ( ( b_prime ) ) )\]
Engineering
Open calculator
Electrical Engineering
Parallel Paths in Lap winding
Electrical Engineering
\[A = P\]
GATE
Open calculator
Electrical Engineering
Parallel Paths in wave winding
Electrical Engineering
\[A = P\]
GATE
Open calculator
Physics
Parallel Plate Capacitor
Physics
\[C = k \cdot \frac{\epsilon \cdot A}{d}\]
Engineering
Open calculator
Chemistry
Partial Pressure
Chemistry
\[p = xP\]
Engineering
Open calculator
Finance
Payables turnover
Finance
\[Payables_turnover = ( ( ( Purchases ) ) / ( ( Average_trade_payables ) ) )\]
CAT & MBA
Open calculator
Civil Engineering
Peak discharge for maximum discharge
Civil Engineering
\[Q_{p} = \frac{1}{36} \cdot k \cdot P_{c} \cdot A\]
GATE
Open calculator
Computer Science
Peak manning time for software cost K
Computer Science
\[m_0 = ( ( K ) / ( t \cdot d \cdot sqrt ( e ) ) )\]
GATE
Open calculator
Mechanical Engineering
Peak to Valley Height
Mechanical Engineering
\[H_Max = ( ( f ^ ( 2 ) ) / ( 8 \cdot R ) )\]
GATE
Open calculator
Civil Engineering
Per Capita Demand of water
Civil Engineering
\[q = \frac{Total_{yearly\_water\_requirement\_of\_the\_city\_in\_litre}}{365 \cdot Design_{population}}\]
GATE
Open calculator
Mechanical Engineering
Per Order time in with Instantaneous Replenishment
Mechanical Engineering
\[Time_{Taken\_Per\_Order} = \frac{Q_{star}}{D}\]
GATE
Open calculator
Physics
Perpendicular Axis Theorem
Physics
\[( I_z ) = ( I_x ) + ( I_y )\]
Engineering
Open calculator
Mathematics
Perpendicular Lines condition
Mathematics
\[aa_prime + bb_prime = 0\]
Engineering
Open calculator
Mechanical Engineering
PERT Expected time
Mechanical Engineering
\[t_{e} = \frac{t_{0} + 4 \cdot t_{m} + t_{p}}{6}\]
GATE
Open calculator
Physics
Photon Energy
Physics
\[E = \frac{hc}{\lambda}\]
Engineering
Open calculator
Physics
Photon Force
Physics
\[F = ( ( ( IA ) ) / ( c ) )\]
Engineering
Open calculator
Physics
Photon Intensity-Electric Field
Physics
\[E_{n} = \frac{1}{2} \cdot varepsilon_{0} \cdot {E}^{2} \cdot c\]
Engineering
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.
- Choose or scanFind a published formula or capture your equation.
- Enter what you knowSelect compatible units for every value.
- Check the answerReview steps, residuals or error estimates.