Scientific Calculator
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Tip: your keyboard works too — type and press Enter.
History
Your calculations will appear here.
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A scientific calculator that keeps up
Full keypad with trig + inverses, degree/radian toggle, pi and e, powers, roots, logs, factorial — plus Ans memory, a history tape and keyboard support.
Frequently asked questions
How do I use sin, cos and tan?
Tap the function, type the angle, close the bracket — e.g. sin(30). Use the Degrees/Radians toggle to match your class.
What does Ans do?
Inserts your last answer into the current expression — handy for multi-step problems.
Why did I get an error?
Usually unbalanced brackets or something undefined like division by zero.
Does it work from my keyboard?
Yes — type numbers, + - * / ^ % ( ) ! and press Enter.