DIGITAL COMPUTATIONS
*more digital computations calculators*

- 1s & 2s Complement Calculator calculator, formula and steps to find 1s and 2s complement of a binary or decimal number.
- Binary Addition Calculator calculator, formula and solved example to find the sum of two binary numbers.
- Binary Subtraction Calculator calculator, formula and solved example to find the difference between two binary numbers.
- Binary Multiplication Calculator calculator, formula and solved example to find the product of two binary numbers.

ELECTRICAL
*more electrical calculators*

- mAh Battery Life Calculator calculator to estimate the how long the charge in the battery will last based on the average power consumption of device.
- Star to Delta (Y to Δ) Resistance Converter calculator to find the equivalent resistance in delta circuit connection from the resistance in star circuit connection.
- Delta to Star (Δ to Y) Resistance Converter calculator to find the equivalent resistance in star circuit connection from the resistance in delta circuit connection.
- Solar Panel Power Calculator calculator to find the output voltage, current, power efficiency, area of solar panel units connected in series or parallel.

ELECTRONICS
*more electronics calculators*

- OHM's Law Calculator calculator to find the relationship between voltage, current and resistance.
- Microstrip Impedance Calculator calculator to measure the impedance of the transmission strip.
- Differential Microstrip Impedance Calculator calculator to measure the resistance to AC current based on the values of trace width, thickness, dielectric thickness, trace separation & dielectric constant.
- Reactance Calculator calculator to find the capacitive and inductive of passive components capacitors and inductors in the circuit.

MECHANICAL
*more mechanical calculators*

- Welding Heat Input Calculator calculator, formula & step by step calculation to predict how much heat transfer while welding.
- Bending Stress (σ) Calculator calculator, formula & step by step calculation to find the bending stress on beams supported by the two neutral axis.
- Shear Stress Calculator calculator, formula & step by step calculation to find the shear stress of a beam caused by the shear force applied the beam horizontally.
- Critical Buckling Stress Calculator calculator, formula & step by step calculation to find the maximum allowable stress of the vertical column.

METEOROLOGY
*more meteorology calculators*

- Humidity Calculator calculator and formula to find the amount of air presented in the air by using the input values of actual & saturated vapor pressure of air.
- Relative Humidity Calculator calculator and formula to find the amount of moisture (water vapor) in the atmosphere or air, by using the dew point & temperature of air.
- Dewpoint Calculator calculator to find the dewpoint temperature below which water vapor begin to change water droplets and dew can form.
- Air Temperature Calculator calculator and formula to find the air temperature from the values of dewpoint temperature & relative humidity.

ENVIRONMENTAL
*more environmental calculators*

- Sound Pressure Level Calculator calculator to measure the logarithmic RMS value of the sound or acoustic pressure caused by the sound wave relative to a reference value in decibels.
- Ground Level Emission Calculator calculator to measure the maximum ground level emission concentration of non-reactive air pollutatnt by using the Gaussian Plume Model (GPM).
- BOD Exertion Calculator calculator to measure the amount of oxygen used by bacteria to metabolize organic material in water.
- Bacteria Growth Rate Calculator calculator to measure the dependence of the growth rate on the substrate concentration of bacteria or aerobic metabolism.

TRANSPORTATION
*more transportation calculators*

- MPG calculator calculator to find an estimation about your fuel consumption, fuel economy and fuel total price for your trip.
- Speed calculator calculate the speed, distance and time, using two out of three metrics.
- Drive time calculator calculate the drive time based on the distance of travel and the average speed.
- Tesla Charging Cost Calculator calculate the cost to charge a Tesla and the driving cost based on car efficiency and distance

SPEED
*more speed calculators*

- quarter-mile-calculator You can use this quarter mile calculator to determine the terminal speed (trap speed) and quarter-mile elapsed time (ET) of a vehicle based on its weight and power.