Plus42 Equations, Preview Release

[Albert Chan]

do_i_pct_yr() Wrote:phloat h = i / 10000;
phloat f2 = tvm_eq(i + h);
phloat d = (f2 - f) / h;

The problem is h = 0 when i = 0, which produced NaN slope.

The bug exist before the new rate guess.
It is just very rare to be hit by it.