Electrical Power Calculator
Solve power, voltage, or current from P = V * I.
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Safety Factor Calculator
Calculate safety factor from material strength and working stress.
Torque Calculator
Calculate torque from force, lever arm, and angle.
Voltage Divider Calculator
Compute output voltage for two-resistor divider circuits.
Beam Deflection Calculator
Estimate max deflection for a simply-supported beam with center load.
Reynolds Number Calculator
Estimate fluid flow regime using Reynolds number.
Thermal Expansion Calculator
Calculate linear expansion from alpha, temperature change, and length.