ADVANCE ALGEBRA

$1,640.70*(1.026^7)+$1,640.70*(1.026^6)+$1,640.70*(1.026^5)+$1,640.70*(1.026^4)+$1,640.70*(1.026^3)+$1,640.70*(1.026^2)+$1,640.70*(1.026^1)+$1,640.70*1.026=14774.09

-FITZ-

Guest:

$1,640.70*(1.026^7)+$1,640.70*(1.026^6)+$1,640.70*(1.026^5)+$1,640.70*(1.026^4)+$1,640.70*(1.026^3)+$1,640.70*(1.026^2)+$1,640.70*(1.026^1)+$1,640.70*1.026=14774.09

-FITZ-

that would be nice.., but that 2.6% is annually I guess..
[input]1640.70*(1+0.026*(8/12)))[/input]