An expression mixing trigonometry and natural log
- Input
- 2sin(pi/4)^2 + ln(e^3)
- Expected output
- 4
sin(pi/4)² equals 0.5, so 2×0.5 = 1, and ln(e³) equals exactly 3; the sum is 4.
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sin(pi/4)² equals 0.5, so 2×0.5 = 1, and ln(e³) equals exactly 3; the sum is 4.
After defining x = 5, any following expression can use x directly, without retyping the value.
Yes. Writing `2sin(pi/4)` works exactly like `2*sin(pi/4)`, and the same applies to cases like `2(3+4)` or `xy`. You never need to type the multiplication sign between a number and a directly adjacent variable, function, or parenthesis.
No, the calculator opens ready to use and runs entirely in the browser; no expression or result is ever sent to a server.
Yes, the parser accepts nested parentheses with no practical limit and implicit multiplication, and any typo points to the exact position of the character that broke.
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