Stop hallucinating numbers.

Don't let your LLM guess the math.

POST /api/v1/evaluate live
· flint multiprecision 0.3 ± 1.6706004158597982250372027407222865939946149865235e-52
· dec 50-digit decimal 0.3
cpp IEEE-754 double 0.30000000000000004⚠ Inexact float literal '0.1' rounded to nearest representable value +1 more
· mpfi proven bounds [0.29999999999999999999999999999999999999999999999999, 0.30000000000000000000000000000000000000000000000001]
· ntl exact-mantissa binary 0.3
ƒ

27 functions

Trig to factorial — the same catalog on all five engines.

2i

Complex numbers

sqrt(-4), (1+i)^2 — the full complex plane.

0x

Bases 2 · 8 · 10 · 16

Binary, octal and hex literals — hex floats included.

[ ]

Interval enclosures

A rigorous bracket around the true value, not a single point.