Useless Loaded it and went to look at constants. Didn't get any further and uninstalled it. Appeared to be scanned pages that were cut off on Both edges. Ie. Couldn't see what absolutely would need to be seen if this were of any use. Fix it and I'll re-eval.
Slow Navigation In order to navigate between formula cards, you have to hit the back button rather than swiping and skimming through quickly.
Some of rhe formulas are wrong This is a pass/fail type of app...either the formulas are right or they are wrong. Some of these are wrong making this a useless reference sheet.
Formula wrong Average velocity formula should have a plus not a minus
Better than nothing But the average velocity is not (vf-vi)/2 it is rather (x2-x1)/(t2-t1)
Many mistakes in formulas and formulas are very less and basic..