Calculate product quantities for field areas or tank sizes. Determine water needed for treatment. Adjust Volume to Volume ratios. Select from various units of measure. Input data manually or via device sensors.
Measure boat speed over water by timing how long it takes to pass a floating object. Enter boat length and units in settings. Requires two people: one on the bow to throw an object into the water and another aft to track its passage.
Test Japanese proficiency with N1 to N5 level exams. Practice vocabulary, grammar, reading, and listening. Learn offline with structured content. Track progress through practice tests and review sessions.
