Advanced calculator with help.

This calculator determines the exact quantity of oil required for a given ratio of gas and oil suggested by the manufacturer of the 2 stroke/cycle engine. That calculated number is determined from the amount of gas available for the mixture.

Logic calculator for finding mood, figure and form of a classical Aristotelian syllogism. Also verifies validity and shows Medieval Mnemonic for complete form.

Find out how much electricity you are using and how much it is actually costing you!

This app will walk you through using your electric meter, or the wattage on your appliance to determine how much electricity you are using. Based on the cost per kWh, you can find out how much it costs per day, month or year!