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
String Efficiency
Electrical Engineering
\[String_{efficiency} = \frac{Voltage_{across\_the\_string}}{n \cdot voltage_{acrosss\_the\_unit\_near\_power\_conductor}}\]
GATE
Open calculator
Mathematics
Sum of cube of Natural Number
Mathematics
\[( S_ \cdot ( ( n ^ 3 ) ) ) = ( ( ( ( ( ( n \cdot ( n + 1 ) ) ) / ( 2 ) ) ) ) ^ 2 )\]
Engineering
Open calculator
Mathematics
Sum of Natural Number
Mathematics
\[( S_n ) = ( ( ( n \cdot ( n + 1 ) ) ) / ( 2 ) )\]
Engineering
Open calculator
Mathematics
Sum of square of Natural Number
Mathematics
\[( S_ \cdot ( ( n ^ 2 ) ) ) = ( ( ( n \cdot ( n + 1 ) \cdot ( 2 \cdot n + 1 ) ) ) / ( 6 ) )\]
Engineering
Open calculator
Physics
Surface Tension
Physics
\[T = \frac{F}{l}\]
Engineering
Open calculator
Finance
Sustainable growth rate
Finance
\[Sustainable_growth_rate = RR \cdot ROE\]
CAT & MBA
Open calculator
Computer Science
Symmetric and Reflexive Relations
Computer Science
\[Number_of_symmetric_and_reflexive_relations = 2 ^ ( ( ( n \cdot ( n - 1 ) ) / ( 2 ) ) )\]
GATE
Open calculator
Computer Science
Symmetric Relations
Computer Science
\[Number_of_symmetric_relations = 2 ^ ( ( ( n \cdot ( n + 1 ) ) / ( 2 ) ) )\]
GATE
Open calculator
Electrical Engineering
Symmetrical breaking current
Electrical Engineering
\[Symmetrical_breaking_current = r \cdot m \cdot s \cdot value_of_a_c_component\]
GATE
Open calculator
Electrical Engineering
Synchronizing Power in synchronous motor
Electrical Engineering
\[Synchronizing_{power} = P_{sy} \cdot \Delta\]
GATE
Open calculator
Electrical Engineering
Synchronizing torque in synchronous motor
Electrical Engineering
\[Synchronizing_{torque} = \frac{Synchronizing_{power}}{\omega}\]
GATE
Open calculator
Electrical Engineering
Synchronous Motor Short circuit ratio
Electrical Engineering
\[( SCR ) = ( ( I_fm ) / ( I_ \cdot ( f_a ) ) )\]
GATE
Open calculator
Electrical Engineering
Synchronous speed
Electrical Engineering
\[N_s = synchronous_speed\]
GATE
Open calculator
Finance
T-Distribution
Finance
\[x = \frac{\frac{t_{alpha}}{2} \cdot s}{\sqrt{n}}\]
CAT & MBA
Open calculator
Physics
Tangential Acceleration
Physics
\[a_{t} = r \cdot \alpha\]
Engineering
Open calculator
Physics
Tangential Force
Physics
\[F_{t} = Mr \cdot \alpha\]
Engineering
Open calculator
Mechanical Engineering
Tensile stress in the bolt
Mechanical Engineering
\[\sigma_{t} = \frac{P}{\frac{\pi}{4} \cdot {d_{c}}^{2}}\]
GATE
Open calculator
Mechanical Engineering
Tension in Simple band brake
Mechanical Engineering
\[T_{1} = \sigma \cdot t \cdot w \cdot t\]
GATE
Open calculator
Electrical Engineering
Terminal voltage of the DC generator
Electrical Engineering
\[V_t = E_a - I_a \cdot R_a\]
GATE
Open calculator
Electrical Engineering
Terminal voltage of the DC motor
Electrical Engineering
\[V_t = E_a + I_a \cdot R_a\]
GATE
Open calculator
Finance
Test Statistic
Finance
\[Test_Statistic = Sample_Mean - Hypothesized_Mean\]
CAT & MBA
Open calculator
Mechanical Engineering
Thermal diffusivity
Mechanical Engineering
\[\alpha = \frac{k}{\rho \cdot c}\]
GATE
Open calculator
Physics
Thermal Expansion
Physics
\[L = L_{0} \cdot \left(1 + \alpha \cdot \Delta_{t}\right)\]
Engineering
Open calculator
Mechanical Engineering
Thermal Resistance--Parallel Combination
Mechanical Engineering
\[R_{e} \cdot q = \frac{1}{\frac{1}{R_{1}} + \frac{1}{R_{2}} + \frac{1}{R_{3}}}\]
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.
- 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.