The format of the floating point numbers used on the ti85 includes the=20 digits written in BCD, which is what you see as a hex number.=20 =20 PI =3D 0000FC3141592659890000 ^^^^^^^ WRONG It should be: 14159265358979323846264338327950288419716939937510582097494459=20= =20 2307816406286208998628034825342117067982148086513282306647 =20 /Daniel "Knows the first 120 something decimals of pi. :)"