07-14 22:46:30.777: E/AndroidRuntime(9523): FATAL EXCEPTION: main
07-14 22:46:30.777: E/AndroidRuntime(9523): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.mwerner.mycalc.finance/com.mwerner.mycalc.finance.DetailsActivity}: java.lang.NullPointerException
07-14 22:46:30.777: E/AndroidRuntime(9523):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2079)
07-14 22:46:30.777: E/AndroidRuntime(9523):     at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2104)
07-14 22:46:30.777: E/AndroidRuntime(9523):     at android.app.ActivityThread.access$600(ActivityThread.java:132)
07-14 22:46:30.777: E/AndroidRuntime(9523):     at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1157)
07-14 22:46:30.777: E/AndroidRuntime(9523):     at android.os.Handler.dispatchMessage(Handler.java:99)
07-14 22:46:30.777: E/AndroidRuntime(9523):     at android.os.Looper.loop(Looper.java:137)
07-14 22:46:30.777: E/AndroidRuntime(9523):     at android.app.ActivityThread.main(ActivityThread.java:4575)
07-14 22:46:30.777: E/AndroidRuntime(9523):     at java.lang.reflect.Method.invokeNative(Native Method)
07-14 22:46:30.777: E/AndroidRuntime(9523):     at java.lang.reflect.Method.invoke(Method.java:511)
07-14 22:46:30.777: E/AndroidRuntime(9523):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:789)
07-14 22:46:30.777: E/AndroidRuntime(9523):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:556)
07-14 22:46:30.777: E/AndroidRuntime(9523):     at dalvik.system.NativeStart.main(Native Method)
07-14 22:46:30.777: E/AndroidRuntime(9523): Caused by: java.lang.NullPointerException
07-14 22:46:30.777: E/AndroidRuntime(9523):     at com.mwerner.mycalc.finance.F_NPV.<init>(F_NPV.java:19)
07-14 22:46:30.777: E/AndroidRuntime(9523):     at com.mwerner.mycalc.finance.DetailsActivity.onCreate(DetailsActivity.java:82)
07-14 22:46:30.777: E/AndroidRuntime(9523):     at android.app.Activity.performCreate(Activity.java:4465)
07-14 22:46:30.777: E/AndroidRuntime(9523):     at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1049)
07-14 22:46:30.777: E/AndroidRuntime(9523):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2033)
07-14 22:46:30.777: E/AndroidRuntime(9523):     ... 11 more