Exact calculator
Big integers, fractions and surds, exactly.
For checking your work after you’ve tried it yourself.
Step 1: Type an expression
Type an expression
Fractions, powers, factorials and square roots, like sqrt(12) + sqrt(27).
Step 2: Check how it's read
Check how it's read
The preview shows it as the calculator understood it.
Step 3: Press Calculate
Press Calculate
The exact value, plus a decimal to compare.
What it does.
Calculates exactly, with no rounding: whole numbers of any size, fractions, and sums of square roots, all simplified.
When it helps.
Checking an exact value you simplified by hand.
What it won’t do.
No , or trigonometry, since those have no exact form here. Results stop at 10,000 digits.
Example.
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Whole numbers, fractions, sqrt( ), ^, ! and more. Exact answers only.
Try