Mathematics
Ratio from two values
Calculates the ratio a / b or the missing value from a simple quotient.
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Proportion solver
Solves the missing value in the proportion a / b = c / d.
Average of two numbers
Calculates the arithmetic average of two numbers or the missing number.
Conductance from resistance
Calculates conductance as the reciprocal of resistance.
Current from charge and time
Calculates current from electric charge and time.
Efficiency
Calculates efficiency as output divided by input.
Electric charge from current and time
Calculates electric charge from current and time.