If you have one child, you can claim the credit for up to 35 percent of the first $3,000 in your child-care costs, or $1,050. With two or more kids, you can claim the credit for up to 35 percent of the first $6,000 you paid, or $2,100.
Tkinter is a Python binding to the Tk GUI toolkit. It is the standard Python interface to the Tk GUI toolkit and is Python's de facto standard GUI, and is included with the standard Microsoft Windows and Mac OS X install of Python. The name Tkinter comes from Tk interface.
A titer is a laboratory test that measures the presence and amount of antibodies in blood. A titer may be used to prove immunity to disease.