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All Standard/Stock Android Calculator is FLAWED
Ok, this is not a deal breaker, but I've noticed that ALL the standard Calculator app that comes on Android devices are flawed.
On MOST calculators, when you press the EQUAL (=) button it usually displays the result and terminates the current operation and you're ready to start another calculation. The previous result clears when you start to enter the new operation.
The Android Calculator DOES NOT clear the screen to perform the next calculation. The results from your previous calculation remains on screen while you enter the next operation. The user must manually press the CLEAR (C) button in order to perform the next calculation.
If you're not paying attention, your calculations will be in ERROR.
For example, add the following 3 pair sequence (on a normal calculator)
Now do the same sequence on your Android device (don't press CLEAR) and you get:
To correct the problem on Android, you have to press CLEAR after each EQUAL operation, otherwise your answer will be off by a mile.
You don't have to press CLEAR on a normal calculator.
Google has to fix this on the next Android release.
Not a biggie, but damn annoying.
I've noticed this on my Epic 4G and my wife's HTC Hero.
I ASSUME all Android devices have the same problem.
For now, just remember to press CLEAR after each EQUAL operation.