// CHECK_FORMULA( "{left (x+a right )} ^ {n} = sum from {k=0} to {n} {left (binom {n} {k} right ) {x} ^ {k} {a} ^ {n-k}}",
CHECK_FORMULA("{left (x+a right )} ^ {n} = sum from {k=0} to {n} {left (stack {n # k} right ) {x} ^ {k} {a} ^ {n-k}}",
getFormula(getRun(getParagraph(2),1)));
CHECK_FORMULA(OUString::fromUtf8("{left (1+x right )} ^ {n} =1+ {nx} over {1!} + {n left (n-1 right ) {x} ^ {2}} over {2!} +\xe2\x80\xa6"),
CHECK_FORMULA(u"{left (1+x right )} ^ {n} =1+ {nx} over {1!} + {n left (n-1 right ) {x} ^ {2}} over {2!} +\u2026",
getFormula(getRun(getParagraph(3),1)));
// TODO check (cos/sin miss {})
// CHECK_FORMULA( "f left (x right ) = {a} rsub {0} + sum from {n=1} to {\xe2\x88\x9e} {left ({a} rsub {n} cos {{n\xcf\x80x} over {L}} + {b} rsub {n} sin {{n\xcf\x80x} over {L}} right )}",
CHECK_FORMULA(OUString::fromUtf8("f left (x right ) = {a} rsub {0} + sum from {n=1} to {\xe2\x88\x9e} {left ({a} rsub {n} cos {n\xcf\x80x} over {L} + {b} rsub {n} sin {n\xcf\x80x} over {L} right )}"),
CHECK_FORMULA(u"f left (x right ) = {a} rsub {0} + sum from {n=1} to {\u221E} {left ({a} rsub {n} cos {n\u03C0x} over {L} + {b} rsub {n} sin {n\u03C0x} over {L} right )}",
CHECK_FORMULA(OUString::fromUtf8("x = {- b \xc2\xb1 sqrt {{b} ^ {2} -4 ac}} over {2 a}"),
CHECK_FORMULA(u"x = {- b \u00B1 sqrt {{b} ^ {2} -4 ac}} over {2 a}",
getFormula(getRun(getParagraph(6),1)));
CHECK_FORMULA(
OUString::fromUtf8("{e} ^ {x} =1+ {x} over {1!} + {{x} ^ {2}} over {2!} + {{x} ^ {3}} over {3!} +\xe2\x80\xa6, -\xe2\x88\x9e<x<\xe2\x88\x9e"),
u"{e} ^ {x} =1+ {x} over {1!} + {{x} ^ {2}} over {2!} + {{x} ^ {3}} over {3!} +\u2026, -\u221E<x<\u221E",
getFormula(getRun(getParagraph(7),1)));
CHECK_FORMULA(
// "sin {\xce\xb1} \xc2\xb1 sin {\xce\xb2} =2 sin {{1} over {2} left (\xce\xb1\xc2\xb1\xce\xb2 right )} cos {{1} over {2} left (\xce\xb1\xe2\x88\x93\xce\xb2 right )}",
// TODO check (cos/in miss {})
OUString::fromUtf8("sin \xce\xb1\xc2\xb1 sin \xce\xb2 =2 sin {1} over {2} left (\xce\xb1\xc2\xb1\xce\xb2 right ) cos {1} over {2} left (\xce\xb1\xe2\x88\x93\xce\xb2 right )"),
u"sin \u03B1 \u00B1 sin \u03B2 =2 sin {1} over {2} left (\u03B1\u00B1\u03B2 right ) cos {1} over {2} left (\u03B1\u2213\u03B2 right )",
getFormula(getRun(getParagraph(8),1)));
CHECK_FORMULA(
// "cos {\xce\xb1} + cos {\xce\xb2} =2 cos {{1} over {2} left (\xce\xb1+\xce\xb2 right )} cos {{1} over {2} left (\xce\xb1-\xce\xb2 right )}",
// TODO check (cos/sin miss {})
OUString::fromUtf8("cos \xce\xb1 + cos \xce\xb2 =2 cos {1} over {2} left (\xce\xb1+\xce\xb2 right ) cos {1} over {2} left (\xce\xb1-\xce\xb2 right )"),
u"cos \u03B1 + cos \u03B2 =2 cos {1} over {2} left (\u03B1+\u03B2 right ) cos {1} over {2} left (\u03B1-\u03B2 right )",