Uninstall old version and install this one to update please.
Construction Calculator Lite is an ad supported version of Construction Calculator which is built for getting quick and accurate estimates on Tile Calculations,Concrete Slabs,Walls, Footings and displaying Cost and Bags of Cement ( #94 lbs bags). The app should record last input numbers after pressing "Next" or "Enter" on your android keypad, it also uses decimal numbers for those 3.5" slabs.
The Concrete Mix Estimator, lets you decide which mix ratio to use, keep in mind Ratio 1:3:5 is used for Footings, Ratio 1:2.25:3 for Sidewalks,Steps and GarageFloor, Ratio 1:2.5:3 mainly used for Floor Slabs and Ratio 1:2:3 is the most common one used, good for Walls,Roof and Columns.
This Concrete Mix Estimator calculates a stanrdard safety factor of 15% and it is for designs of 3000 max psi.
Tile Estimator will let you easily calculate tiles needed with job cost for square and rectangular areas.
All the information, calculation processes and terms are mainly used in U.S.
Keep in mind the calculations done with this app should be only for small or minor jobs, for bigger projects use ACI method.
Press Menu at Main Menu screen to pop out About menu and Feedback menu. See About Menu for some tips.
Any other functions can be added feel free to ask.
If anything is not working please feel free to email me with your phone model and the problem to fix it asap