Comments on: Loan repayment calculations and high school algebra /loan-repayment-calculations-and-high-school-algebra/ The tech blog of Neil Ennis Mon, 13 Jul 2009 23:08:40 +0000 hourly 1 By: Neilius /loan-repayment-calculations-and-high-school-algebra/comment-page-1/#comment-10 Wed, 18 Jun 2008 22:40:00 +0000 /?p=9#comment-10 >Good news 🙂

You CAN calculate NPER algebraically.

The formula is:
NPER = LOG ([PMT*(1+RATE*TYPE) – RATE * FV] / (PMT*(1+RATE*TYPE) + RATE*PV)) / LOG(1+RATE)

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